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Recycled Water Users Manual - West Basin Municipal Water District

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1. RECYCLED WATER Reuse Site URBAN IRRIGATION USER S MANUAL Pressure Testing Procedure SECTION F REUSE SITE PRESSURE TESTING PROC EDURE The following are general guidelines for the testing procedure and may be modified with the approval of the State local city or county Health Department 1 Potable water must be used during the initial testing of the on site recycled water system with the potable water supply separated from the proposed recycled water system by an approved reduced pressure principle backflow prevention assembly until the system has been checked for cross connections 2 The recycled water system should be completely drained and remain deactivated for an adequate period of time based on site specific characteristics 3 At the end of the shutdown period all of the recycled water outlets should be tested throughout the entire site for cross connections by checking each outlet for flow 4 The recycled water system should then be checked at the quick couplers located on the normally pressurized main irrigation line or by cycling the irrigation clocks observing the spray decrease to determine if there is any flow If there is no flow detected in any of the outlets that would suggest a cross connection the recycled water connection may then be reactivated 5 The potable water to the use site will be shut off at the potable water meter The potable water system must be completely drained and remain deactivated for an adeq
2. symbol page 25 Workers in these areas must be instructed not to drink from these hose bibbs DRINKING FOUNTAINS Drinking fountains located within the approved use area must be protected from contact with recycled water by direct application through irrigation or other approved use Lack of protection whether by design construction practice or system operation is strictly prohibited The mum on the walls indicates that this drinking fountain is being sprayed by the irrigation water If recycled water is to be used then the spray pattern must be altered or the drinking fountain somehow shielded EQUIPMENT CLEANING Any device hose pipe meter valve tank pump truck etc which has been used with recycled water may not be used to convey potable water nor attached to the potable water system unless it is cleaned and disinfected MODIFICATIONS The User must not make any modifications to its on site recycled water system or potable system it it s in close proximity to the recycled system without the prior approval of the Recycled Water Agency 16 RECYCLED WATER URBAN IRRIGATION USER S MANUAL This includes modifications to the approved plans or to an operational system Detailed plans of any modifications should be submitted to the Recycled Water Agency and the modifications inspected by the Recycled Water Agency before their being placed in operation However routine maintenance of the irrigation
3. Agencies SECTION F LOCAL GOVERNING AGENCIES Local Recycled Water Agency to insert own name address phone number and modify contact information below for its own region Regional Water Quality Control Board Los Angeles Region 320 W 4th Street Suite 200 Los Angeles CA 90013 213 576 6600 County of Los Angeles Department of Health Services Cross Connection and Water Pollution Control 5050 Commerce Drive Baldwin Park CA 91706 626 430 5290 State of California Department of Health Services Drinking Water Field Operations Branch 1449 West Temple Street Los Angeles CA 90026 213 580 5723 Final February 15 2005 36 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Definitions SECTION G DEHNITIONS Whenever the following terms or pronouns used in their place occur in this Manual the intent and meaning shall be interpreted as follows Air Gap Separation A physical break between a water line and a receiving tank or reservoir which is at least double the diameter of the pipeline vertically above the rim of the tank or reservoir and in no case less than one inch Applicant An Owner or authorized representative of a potential reuse site who applies for recycled water service under terms of the appropriate regulations An approved Applicant becomes a User Approved Backflow Prevention Assembly A device installed to protect the potable water supply from contamination by nonpotable water and is approved b
4. DRINK At restricted and ornamental impoundments adequate measures must be taken to prevent body contact All recycled water impoundments must be kept separate from potable water wells and reservoirs Final February 15 2005 Marking amp Equipment If any storage tank or impoundment receives both recycled and potable water the potable water supply must be properly air gapped to avoid a cross connection OTHER DEVICES All air vacuum relief valves valves pressure reducing valves pumps pump control valves etc must be tagged or labeled indicating whether it is on the recycled water non potable water or potable water system Recycled water tags or labels must have a purple background with black lettering stating RECYCLED WATER DO NOT DRINK The Do Not Drink symbol page 25 must be present Potable water tags or labels must have a blue background with POTABLE WATER in white lettering Non potable water tags or labels must have a yellow background with NON POTABLE in black lettering VEHICLE IDENTIFICATION Any vehicle used to transport recycled water must be clearly marked with labels or signs that contain the words RECYCLED WATER DO NOT DRINK in black 2 inch high letters on a purple background and include the Do Not Drink symbol page 25 One label or sign should be placed on the tank closest to the driver s door with a second label or sign being placed on the rear surface of
5. February 15 2005 are very salt intolerant and should be avoided when using recycled water Soil Types The type of soil present at a User s site strongly influences how the salt in the recycled or any water affects plant growth and health Well draining soil is preferable however many areas have a clay component in their soil Clay tends to hold on to salt and can actually cause the soil to stop draining altogether This particular phenomenon is the direct result of elevated levels of sodium and is measured by its ratio to calcium and magnesium Sodium Adsorption Ratio or SAR The presence of self regenerating water softeners that discharge sodium laden brine into the sewer system are big contributors to elevated sodium levels in the recycled water Problems with soil drainage due to clay soils and an elevated SAR can be rectified by the application of gypsum calcium which loosens the bound up clay and allows for water to drain through the soil However when dealing with clay soil drainage issues some recycled water users have rejected gypsum as it increases the salinity and instead opted for an acid injection system Buffered acid can be added to break up the bicarbonate binding and salt buildup at the surface level in clay soils and allow improved penetration to the root zone Irrigation Schedule Many irrigation systems schedule watering for short periods of time perhaps many nights a week Depending on the
6. Runoff When recycled water is intentionally or unintentionally allowed to drain outside the approved recycled water irrigation area Service The furnishing of recycled water to a User through a metered connection to the on site facilities Site Supervisor A qualified person designated by the User to provide liaison with the Recycled Water Agency This person should be available to the Recycled Water Agency at all times should have the knowledge and authority to carry out any requirements of the Recycled Water Agency and should be responsible for the installation operation and maintenance of the reclaimed and potable water systems and also prevention of potential hazards Final February 15 2005 39 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Definitions State Department of Health Services Shall be the State of California Department of Health Services Drinking Water Field Operations Branch Unauthorized Discharge Any release or spill of recycled water that violates the rules and regulations of the Recycled Water Agency or all applicable Federal State or local statues regulations ordinances contracts or other requirements User Any person persons or organization including but not limited to any private company or corporation public utility municipality or other public body or institution issued a recycled water Users Permit by the Recycled Water Agency The User and Owner may be the same User Agre
7. URBAN IRRIGATION USER S MANUAL exists This test itself must be done in a way that does not create a cross connection Upon the successful completion of one of the above tests insuring no cross connections between the potable and recycled water systems the User s irrigation system may be connected by the Recycled Water Agency to the recycled water distribution system PERIODIC CROSS CONNECTION TESTING PCCT Periodic cross connection shutdown testing must be done at least once every four 4 years for dual plumbed sites unless visual inspections or major on site water system changes reveal a need for more frequent testing The Water Recycling Criteria in Title 22 specifically defines dual plumbed sites as either buildings with fixtures served with recycled and potable water or individual residences with recycled water in the irrigation system Other dual source use sites that don t fall under either of these categories may be required to perform periodic cross connection tests if the use site characteristics indicate a greater risk of potential cross connections or if any reuse site undergoes significant modifications of the potable or recycled water systems The Recycled Water Agency in cooperation with the local city or county Health Department will make the determination if such a test is required This test must follow the same procedures use for the final cross connection test either shut down
8. human beings and conforms to the latest edition of the California Safe Drinking Water Act or other applicable standards Public Any person or persons at large who may come in contact with facilities and or areas where recycled water is approved for use Rate and Fee Schedule The schedule of all rates charges fees and assessments to be made concerning the use of recycled water served by the Recycled Water Agency as approved or as amended by the Recycled Water Agency Note If the recycled water provided by an investor owned utility functioning as the Recycled Water Agency rates and fees are approved or amended by the California Public Utilities Commission Recreational Impoundment An open body of recycled water located on a use site that may be used for unrestricted body contact e g swimming wading or restricted non body contact e g boating fishing recreation Recycled Water Nonpotable water that is highly treated to the California Code of Regulations Title 22 Chapter 3 and used for approved purposes other than drinking water Recycled Water Agency The local purveyor or producer of recycled water for the specified service area public or private Regulatory Agencies Those public agencies legally constituted to protect the public health and water quality such as the State Department of Health Services the California Regional Water Quality Control Board and the local city or county Health Department
9. levels of salt in the recycled water 41 RECYCLED WATER URBAN IRRIGATION USER S MANUAL and the soil type sand vs clay a switch to longer irrigation run times done on a less frequent basis may be called for Short irrigation runs have the potential to deposit more salt in the root zone with possible adverse impacts on plant health and growth Clay soil is more susceptible to this phenomenon than better draining soils Heavier watering done less frequently leaches the accumulating salts out of the root zone This is particularly important in regions of the state that don t experience sufficient precipitation during the rainy season Rainfall can have the same effect as longer watering periods if the rainstorms are heavy enough Periods of drought can exacerbate the build up of salts further but can be answered with a modified irrigation schedule NUTRIENTS Recycled water may also contain higher nutrient levels such as nitrogen phosphorous and potassium which are essential components for plant growth Some treatment processes may reduce the levels of these chemicals although they are not totally removed Fertilizer Value While nutrient levels vary among treatment plants there are sufficient levels of nitrogen phosphorous and potassium in the recycled water to provide fertilizer value to the landscaping each and every time irrigation takes place Based on nutrient levels in the recycled water being supplied a
10. maintained Sprinkler heads must be kept in good repair at all times 22 RECYCLED WATER URBAN IRRIGATION USER S MANUAL SYSTEM CONTROL DEVICES New system controllers must be automatic with multiple start stop times for any 24 hour period and installed according to the approved plans and local codes Two color coded diagrams must be prepared for the station and system for each controller Each diagram should be sealed in plastic with one copy placed in the controller box and the other given to the Recycled Water Agency All controllers must be marked with the words RECYCLED WATER in black 1 inch high letters on a purple background STORAGE TANKS amp IMPOUNDMENTS All storage tanks either stationary or portable must be structurally sound and free from leaks Each tank must be conspicuously marked with signs with the words RECYCLED WATER DO NOT DRINK in black letters 2 inches high on a purple background The Do Not Drink symbol page 25 should be present on all recycled water storage tanks Impoundments lakes that receive recycled water are classified as unrestricted swimming and body contact allowed restricted no swimming or body contact but non contact activities such as fishing and boating allowed or ornamental no recreational activities allowed All of these impoundments must have the recycled water valves and outlets marked or tagged with the words RECYCLED WATER DO NOT
11. or dye test Before the test is performed representatives of the State DHS the local city or county Health Department Site Supervisor Recycled Water Agency and any other required Final February 15 2005 Cross Connection Control regulatory agency must be notified The Recycled Water Agency will coordinate the scheduling of the test A sample Test Notification Form is on page 36 Written verification of the test results must be provided by the Recycled Water Agency to the Site Supervisor State DHS local city or county Health Department local building authority and any other required regulatory agency All provisions of Title 17 Chapter 5 Section 7601 of the Code of Regulations concerning protection of drinking water systems against cross connections and backflow must be strictly complied with EMERGENCY CROSS CONNECTION RESPONSE PLAN In the event that a backflow incident or cross connection is suspected or occurs the following procedures must be implemented immediately 1 Keep the potable water system pressurized and if possible post DO NOT DRINK signs at all potable water fixtures and outlets 2 Immediately shut down the recycled water supply to the facility at the meter 3 Notify the Recycled Water Agency and the appropriate Health Department s by phone see list on page 37 This notification is to be followed by a written notice within 24 hours The written notice is to include an explan
12. or installing more extensive aeration systems ts Preventing the introduction of organic material such as grass clippings from entering the lake 42 Final RECYCLED WATER URBAN IRRIGATION USER S MANUAL Definitions Stocking the lake with algae eating fish such as Tilapia However some fish like koi react unfavorably to the higher ammonia levels that may be in the recycled water Using a chemical product such as Aqua Shade to prevent sunlight from penetrating the water column Using a chemical algaecide such as copper sulfate Warning This product is also toxic to other organisms so the lake water could not be used for landscape irrigation Because refilling ornamental lakes may not be a significant consumptive use of the recycled water in some cases it may be preferable to fill the lakes with potable water or even non potable well water February 15 2005 Increased Mowing Reports from many turf sites using recycled water have reported the need to mow their grass more often This is the direct result of the additional nutrients in the recycled water being available for uptake by the grass 43
13. permit requirements The User shall designate with notification going to the Recycled Water Agency a Site Supervisor to be the contact person with the Recycled Water Agency The following are requirements of the Site Supervisor position t Received training or be able to demonstrate knowledge of the application and maintenance of a recycled water system t Be aware of and familiar with this Manual t Be available to the Recycled Water Agency at all times and have the authority to carry out any requirements of the Recycled Water Agency t Be responsible for the installation operation and maintenance of the recycled and potable water systems and for the prevention of potential hazards ts Ensure that notification signs at the use site are properly installed and maintained and that all recycled and potable water facilities are properly labeled tagged or otherwise identified ts Be knowledgeable of the provisions contained in Titles 17 and 22 of the California Code of Regulations relating to the safe use of recycled water and maintain accurate records ts Ensure that all employees of the use site involved with the use of recycled water are instructed in the safe and responsible use and handling of the recycled water Final February 15 2005 Operation amp Maintenance ts Immediately inform the Recycled Water Agency of any failures violations and emergencies that occur involving the recycled or po
14. suspended waste solids with microorganisms and air The micro organisms convert the waste solids to biomass that settles out Tertiary Treatment filters out most of the remaining solids through a granular media for example sand or anthracite coal or a membrane with the final product water being disinfected with chlorine or ultraviolet light to kill off bacteria virus and other microorganisms interior fixtures or individual residences that use recycled water for outside irrigation and is dealt with later under Periodic Cross Connection Testing page 27 The public must not be allowed access to the recycled water system such as from hose bibbs Water quality needs at the use site might also call for two water sources For example golf courses may elect to use a potable water supply to irrigate the greens and use recycled water on the fairways Note The potable water used for this purpose is referred to as non potable irrigation water after it has passed through the irrigation system backflow preventer These water lines are to be used only for irrigation and must not be connected to restrooms drinking fountains food service areas etc RECYCLED WATER URBAN IRRIGATION USER S MANUAL On sites with dual sources the potable supply must be protected with an approved backflow prevention device Cross connections between the recycled water system and the potable water system are strictly prohibited BENEF
15. the tank at the outlet All labels and signs must be placed where they can easily be seen by the personnel using the vehicle 23 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Any vehicle used for the transportation or storage of recycled water must not be reused for the transportation or storage of potable water unless it has been flushed disinfected and tested POSTING APPROVED USE AREA Posting the use of recycled water is required at all entrances to the User s facility and placed where they can be easily seen The signs must indicate that RECYCLED WATER is in use In addition all signs must include the Do Not Drink symbol page 25 and use the words do not drink in both English and Spanish or other locally used language Additional signing may be required by the Regulatory Agency on a case by case basis Final February 15 2005 Marking amp Equipment RECYCLED WATER DO NOT DRINK AGUA RECICLADA NO BEBA EL AGUA SANITATION DISTRICTS of LOS ANGELES COUNTY Recycled water notification signs do not need to include such words as Caution Warning or Danger 24 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Marking amp Equipment DO NOT DRINK SYMBOL Final February 15 2005 25 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Cross Connection Control SECTION E CROSS CONNECTION CONTROL PROTECTION OF POTABLE WATER SYSTEMS On dual source sites wher
16. to be used and programmed to prevent ponding and runoff of recycled water The recycled water system must not be allowed to operate for periods longer than needed to satisfy the landscape water requirements Recycled water must never be applied at a rate that is greater than the infiltration rate of the soil Exceptions to this requirement for purposes such as leaching of soil must be specified in the User Agreement 15 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Hose bibbs may only be used with recycled water in areas were they cannot be accessed by the general public such as this commercial nursery and even those must be properly labeled HOSE BIBBS Hose bibbs or other appurtenances that might allow public access to the recycled water system for unapproved use or for cross connection to the potable water system are strictly prohibited in all areas accessible to the general public In these areas only quick couplers are allowed and must be of a different type than those that may be used on the use site s potable water system see page 23 Hose bibbs may be used on the recycled water system in areas that do not allow any public access but must be conspicuously labeled RECYCLED WATER DO NOT DRINK in both English and Spanish or any other language determined by the Water Recycling Agency to be in common use in the area along with the Do Not Drink Final February 15 2005 Operation amp Maintenance
17. up Water Source page 11 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Design amp Construction SECTION B DESIGN amp CONSTRUCTION DESIGN APPROVAL Before the construction of any new or major modifications of an existing recycled water system the design must be submitted for approval by the Recycled Water Agency and the State and local city or county Health Departments Approval will be contingent upon evidence that all applicable design requirements rules and regulations for a recycled water system are satisfied Plans and specifications should include but not be limited to the following t A detailed description of the intended use of recycled water including identification of the area of use ts Details showing the complete potable and recycled water systems For existing facilities converting to recycled water use details must include the exact location of all existing water piping systems t Details of the intended installation procedures including as a minimum backflow preventer locations color and type of pipe and additional signage to be used CONSTRUCTION The appropriate regulatory and recycled water agencies shall have the opportunity to make periodic inspections of the User s site during the construction phase if applicable to ensure materials and their installation are according to the approved plans and specifications The Recycled Water Agency and or the State local city or county
18. use the valve should be operated only with a special coupler key with an acme thread for opening and closing the valve New quick coupling valves should be installed approximately 12 inches from walks curbs headboards or paved areas All new and existing quick coupling valves must be identified with an identification tag and installed in a marked valve box Final February 15 2005 Marking amp Equipment hie Quick coupler and valve box Gate Valves New gate valves should be installed in a marked valve box with crushed rock in the base and a notification tag on the valve operator Remote Control Valves New and existing remote control valves should be installed in a marked valve box with crushed rock in the base and an identification tag on the operator For each valve system remote control valves should be adjusted so the most remote sprinkler heads operate at the pressure recommended by the manufacturer giving a uniform distribution of water SPRINKLER HEADS New sprinkler heads must be of the size type pressure radius of throw and discharge as indicated on the approved plans All new sprinkler heads either permanent or temporary should be of the approved type for use with recycled water and create the minimum amount of mist Drainage through sprinkler heads is prohibited and an anti drain valve must be installed in the sprinkler riser as needed Anchors on sprinkler risers should be provided as needed and
19. C CESSFUL USAGE The recycled water that is delivered for beneficial reuse has been manufactured at a water reclamation plant resulting in a quality that meets very strict DHS standards for safety Even though it is virtually impossible to distinguish the recycled water as described in this Manual from potable water supplies However there are general chemical differences that may require Users to make changes in their landscaping practices The following few pages is not meant to be a comprehensive discussion of issues that might arise when irrigating with recycled water but only the most common areas of concern SALT LEVELS Salt is a difficult and expensive constituent to remove from water consequently it and other minerals that are not often removed by conventional treatment processes The salinity or salt levels in recycled water can vary from treatment plant to treatment plant but are generally higher than the local domestic water supply Therefore Users may want to carefully consider their selection of plants soil composition and irrigation practices Type of Plants For the most part turf grass is very tolerant of higher salt levels as are many ornamental trees and shrubs Additionally experience has shown that most flowering plants thrive with the use of recycled water However not all landscape plants are suitable for irrigation with recycled water Most notable of these are azaleas which Final
20. Contact Final February 15 2005 33 RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details RECYCLED WATER SITE INSPECTION REPORT Site Date Inspected By Title Agency AREA INSPECTED NO YES PIPING Piping properly marked _ Valves etc properly marked Has piping been modified If yes are modifications approved Points of connection properly marked Piping System Leak SIGNING Are all signs properly placed Are all signs legible Are tags visible and legible BACKFLOW PREVENTION Backflow Prevention Device installed Does the device appear damaged Is the device leaking Is the device unobstructed Is Recycled Water being used for its approved purpose Comments Signed Date Final February 15 2005 34 RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details CROSS CONNECTION TEST NOTIFICATION FORM Test Date Test Time Site Name Site Address Recycled Water Agency Contact Person Phone Agencies Notified California Department of Health Services Drinking Water Field Operations Branch CROSS CONNECTION NOTIFICATION RSVP FORM Site Address Test Date Agency Company Representatives Attending Please return to requesting party within 10 days of scheduled test Final February 15 2005 35 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Local Governing
21. Health Department or their authorized agents shall inspect the construction and startup of the Final February 15 2005 User s recycled water system to ensure that it is in compliance with the approved construction plans rules and regulations In addition representatives of the Regional Board and the State DHS may be involved This site inspection is to ensure that proper equipment was used spray patterns are adjusted to ensure proper coverage without excessive overlapping and there are no cross connections with the on site potable water system Conditions that might create runoff ponding or windblown spray especially on slopes must be corrected Spray patterns must be checked to make sure that they don t encroach upon public facilities such as drinking fountains or areas outside the approved use area After correction and verification the system will be allowed to use recycled water RECYCLED WATER DELIVERY SYSTEM OPERATION The Recycled Water Agency reserves the right to control and schedule the use of recycled water if control and scheduling are necessary to maintain acceptable working conditions within that agency s recycled water distribution system The Recycled Water Agency will administer these and other service conditions If the available service pressure is higher than the User can accept the User shall be responsible for providing a pressure reducing valve downstream of the service meter If available pressu
22. ITS OF RECYCLED WATER IRRIGATION As population growth increases the demand for potable water and the reliability of imported water supplies decreases the future availability of potable water for irrigation is questionable Also the costs of potable water supplies continue to climb making recycled water more attractive as an alternative water supply The amount of recycled water available is generally not affected by drought meaning customers don t risk losing expensive landscaping due to water shortages and potential mandatory rationing Tertiary treated recycled water can be used for virtually all non potable applications see box right Final February 15 2005 Introduction Recycled water may also contain an appreciable nutrient content such as nitrogen potassium calcium magnesium sulfur and other macro and micronutrients which may provide some level of fertilization during the irrigation process A full recycled water quality analysis can be obtained from the local Recycled Water Agency Irrigating with recycled water is making use of a valuable resource that would otherwise be disposed TITLE 22 USES FOR TERTIARY TREATED WATER Urban Landscape Parks and playgrounds schoolyards unrestricted access golf courses residential landscaping freeway and roadway landscaping cemeteries ornamental nurseries sod farms Agriculture Food crops for human consumption orchards vineyards fodder fib
23. LED WATER URBAN IRRIGATION USER S MANUAL Definitions Inspector Any person authorized by the Recycled Water Agency or the local health agencies to perform inspections on or off the Users site before construction during construction after construction and during operation Irrigation Period The time from start of water flow to end which a specific area receives recycled water by direct irrigation application no matter how often the specific area is irrigated that is length of the duty cycle Irrigation Use An approved use of recycled water for landscape irrigation as defined for recycled water under Title 22 Chapter 3 of the California Code of Regulations Landscape Impoundment An open body of recycled water on a use site that is utilized for aesthetic enjoyment or which otherwise serves a function not intended to include public contact Local City or County Health Department This agency is the local health protection agency for the municipality in question Nonpotable Water The water that has not been treated for human consumption in conformance with the latest edition of the United States Environmental Protection Agency s Drinking Water Standards the California Safe Drinking Water Act or any other applicable standards This also refers to irrigation or industrial process water derived from a potable water system through an approved backflow prevention device that may be subject to contamination e g throug
24. MAROC bk Porcile Waster SER MANUAL a gi amp O Y M D gt E pos MT LosAngelesiGounty A QA hm N f ELOPED BY y Recycled Y Iter Advisory Committee 2005 REA j uv is 4 yn T g Do s RECYCLED WATER URBAN IRRIGATION USER S MANUAL Supervisor Do s and Don ts On Site Supervisor Do s and Don ts Install and maintain signs at all points of entry pedestrian and vehicular Install and maintain labels and tags on recycled and potable water systems Operate irrigation system e Between 10 p m 6 a m if automatically controlled unless other restrictions apply e Atother times if manually controlled and supervised someone present to make sure the recycled water doesn t come in contact with the public e Atany time if use site is restricted to the general public Use quick couplers instead of hose bibbs Contact provider if any water system potable or recycled modifications are anticipated Immediately contact water utility and or recycled water producer if any of the following has occurred e Arecycled water line break spill or off site discharge of recycled water e A violation of water recycling requirements e Across connection between the recycled and potable water systems Educate train site workers on safe use and restrictions of recycled water Keep records and as built drawings up to date and accessible Assist and cooperate du
25. OT DRINK permanently affixed at 10 foot intervals atop all horizontal piping laterals and mains Identification tape must extend to all valve boxes and or vaults exposed piping hydrants and quick couplers Final February 15 2005 Marking amp Equipment Identification of Existing Below Grade Water Lines Existing below grade piping whether recycled potable or non potable need not be marked unless the piping becomes exposed such as during installation of new pipe or maintenance of existing pipe The exposed section should be appropriately marked as recycled potable or non potable to the extent feasible PIPING ETC ABOVE GRADE All above grade recycled water pipelines must be appropriately labeled and color coded purple to differentiate recycled water pipelines from potable and non potable water pipelines If purple pipe is not used recycled water pipelines may be wrapped with purple warning tape having the words CAUTION RECYCLED WATER visible in contrasting black letters Flexible conduits or hoses must be clearly marked CAUTION RECYCLED WATER with each adapter or fitting painted purple Above grade potable water pipelines must be labeled and color coded blue to differentiate potable water pipelines from recycled and non potable water pipelines Potable water pipelines may be wrapped with blue identification tape having the words POTABLE WATER visible in contrasting white letters Above grad
26. Onne CONS aee tables AA at E d ei MI 13 DESIGNATION OF SITE SUPERVISOR eeeeeseeeeeeeeeet tenente tane ttam 14 PERSONNEL TRAINING oe liae nia gc dota dicat taies e o al 14 PERIODS OR OPERATION e o e 15 HOSE BIBBS a ios 16 DRINKING FOUNTAINS ci o Date 16 Final February 15 2005 i RECYCLED WATER URBAN IRRIGATION USER S MANUAL Table of Contents EQUIPMENT CLEANING escitas 16 MODIFICATIONS onenn od DNE OU one a ia 16 NEIN ABBUSINC Br ndi erede a deni aM du mu M ML mU M dut 17 PERIODIC SITE INSPECTION SS tada 17 EMERGENCY PROCEDURES 55 ds 18 Emergency Modifications iii 18 Unauthorized Discharge icii ra cete ea ie a 18 Contamination of Drinking Water tia 18 VIOLATIONS E ita 18 NOTIFICA BIO a EN PN oe ech asa e Cafe ipt e dau ht Pa da etd nus acis eos ates 18 CORRECTIVE ACTION a 19 ENFEOIRCEMENT E uice va iut nds itu e tme 19 CAUSES FOR TERMINATION OF SERVICE eese ener enne 19 SECTION D MARKING amp EQUIPMENT eee eee ee eee ee enses tn enne tn snas tasses tasa stain 20 GENERAL ov EE AE E A ERE A TT 20 PIPING BELOW GRADE hoi sate A 20 Identification of Recycled Water Lines eene 20 Identification of Potable Water Lines ei oes Gl See 21 Identification of Non Potable Water Lines eee 21 Identification of Existing Below Grade Water Lines eee 21 PIPING ETC ABOVE GRADEB ais ires int ibis select
27. Site Supervisor can readily calculate the number of pounds of each constituent being delivered He or she can then determine how much if any and what kind of additional fertilizer needs to be applied Final February 15 2005 Definitions A common mistake is to continue the same fertilizer application schedule that was in place when domestic water was being used for irrigation The addition of applied fertilizer on top of the extra nutrients in the recycled water can cause problems with plant health groundwater quality problems and avoidable costs to the site in buying and using unnecessary fertilizer Ornamental Lakes Some reuse sites have ornamental lakes as part of the landscaping Care must be exercised if recycled water is used to supply these lakes The nutrient value in the recycled water readily promotes the growth of algae which can impair the aesthetics of these lakes This is especially a problem in lakes that are less than 10 feet deep due to sunlight penetration Several different strategies have been employed at such lakes with the greatest level of success in algae control coming from combinations of two or more of the following methods t Pumping the recycled water from the lake into the irrigation system reduces the amount of time the water and the nutrients it contains spends in the lake consequently reducing algae production t Re circulating the water by means of fountains or waterfalls
28. ULATIONS 32 ect toes tiso cs edes ehe te bles de Sisin 5 USER S SUVIMAR f RC MH HQ 6 SECTION A GENERAL PROVISIONS e eeeeeee tesis eene ee enses en ena ee ta enses ta snas sta sna enata o 7 REGULATORY AUTHORIT set sio ha ee tiet oe te Moe y SYSTEM RESPONSIBILITY riore Aneel ee 7 USER AGREEMENT AND PERMITA iaa 8 RATE AND BEBE SCHED UTE 5 aenea need ni aea Neun a t teda 8 PROTECTION OF PUBLIC HEALTH 2 ida 8 AUTHORIZED USE Sta sd o toe de Ce e oec e e petted 8 APPROVED USE AREAS 2 A cpoptex No A te en Ne n as edle as 8 LIABILITY de de 8 WATER SUPPLY CONTINGENCY 4 ceased doetsanicate dest eea se iais 9 SECTION B DESIGN 6 CONSTRUCTION eere eres esee eee ee enata enata tasas stas aeta 10 DESIGN APPROVALS e orbe ODIO dq 10 CONSTRUCTION qui oye il erstes Gs Rasa teat 10 RECYCLED WATER DELIVERY SYSTEM OPERATION eee 10 Backup Water SOURCE ps li ias 11 FIRE PROTECTION SYS TEMS eios IER a 11 PROTECTION OF GROUNDWATER iet ct tend ete aida 11 SERVICES TAR TOP ti odio 11 SECTION C OPERATION amp MAINTENANCE oooccccoccoccccnoccccocconcccocconconcononconanionocnanonnccccnccnos 13 AN A Se 13 CONDITIONS OF SERVICE a os 13 R noff Conditi ns ii diia ae 13 Pondimg Condon estiba 13 Windblown Spray COBGIIODS arid ton autero poet Dt on eas cute o bea Dada 13 Unapproved USES iia E E E E AERE 13 sein Unapproved Areas o sali e e d e t 13 Cross C
29. al The facilities that produce recycled water are known as Water Recycling or Reclamation Plants that are owned and operated by Recycled Water Producers The recycled water produced by these plants is delivered to users through distribution systems owned and operated by Recycled Water Agencies Recycled Water Producers and Agencies can be one and the same entity Recycled water is virtually colorless and odorless and is allowable for full body human contact but not for direct human consumption The sensible use of recycled water affords an excellent choice for essentially all non potable applications Properly managed recycled water is safe to use WHAT ARE DUAL SOURCE SITES Dual source sites are reuse sites where both potable domestic or drinking water and recycled water are present Dual sources might be necessary on sites where water is normally available for public use For example a cemetery may use recycled water for irrigation but would need a separate potable system with hose bibbs to allow visitors to fill flower urns Dual plumbed sites is a separate term which refers specifically to either buildings that have both recycled and potable water serving Final February 15 2005 Introduction The Recycled Water Treatment Process Primary Treatment removes 70 to 85 percent of the organic and inorganic solids that either settle out or float to the top Secondary Treatment mixes the remaining
30. ater District City of Burbank City of Glendale City of Long Beach City of Pasadena County Sanitation Districts of Los Angeles County Las Virgenes Municipal Water District Los Angeles Department of Water amp Power Metropolitan Water District of Southern California Water Replenishment District of Southern California West Basin Municipal Water District Upper San Gabriel Valley Municipal Water District Other Interested Entities e California State Department of Water Resources e Carollo Engineers e CH2M HILL e Tetra Tech Inc Each recycled water customers representative Site Supervisor is responsible to read and understand the Manual and any water reclamation requirements applicable to their particular site Questions about the use of recycled water or the Manual should be directed to the Recycled Water Agency that serves the customer Final February 15 2005 1 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Introduction INTRODUCTION PURPOSE The purpose of this Manual is to provide the recycled water User and Site Supervisor a resource for the day to day operation and control of that system in order to protect the health and welfare of the personnel involved with its use as well as the general public and to protect the quality of local water resources Recycled water is an important resource for the State of California and its use for nonpotable applications is in many cases mandated
31. ation of the nature of the cross connection date and time discovered and the steps taken to mitigate the cross connection s 27 Final RECYCLED WATER URBAN IRRIGATION USER S MANUAL Collect water samples from the potable water system and perform a 8 24 hour bacteriological analysis as instructed by the Recycled Water Agency Water samples should be collected from the closest possible point to the cross connection Identify the cause and location s of 9 backflow and eliminate the cross connection s Conduct a cross connection test in 10 coordination with the Recycled Water Agency and the appropriate Health Departments to verify that all cross connections have been eliminated 11 Obtain approval from the Recycled Water Agency and the local city or county Health Department before returning the recycled water system to service February 15 2005 Cross Connection Control If the bacteriological analysis conducted in Step 4 is positive flush the potable water system and disinfect by maintaining a chlorine residual of at least 50 mg L for 24 hours Otherwise proceed to Step 11 Flush the potable water system after 24 hours and perform standard bacteriological analysis If the results from Step 9 are acceptable proceed to Step 11 Otherwise repeat Steps 8 9 Obtain final approval from the Recycled Water Agency and the State local city or county Health Department before removing signs 28
32. be made to prevent the user s recycled water system from being cross connected with the potable drinking water system t Plans must be carefully reviewed to ensure against cross connections and that proper equipment is to be installed Design Approval page 10 ts The recycled water system must be operated under the authority of a User s Agreement page 8 that outlines any special considerations or requirements for the particular use site ts The User must designate a Site Supervisor page 14 who is responsible for managing the on site water system The Site Supervisor ensures the system is operated within the established guidelines and is properly maintained Maintenance page 17 t In cooperation with the User the Recycled Water Agency and or Producer will make regular inspections Final February 15 2005 of the site Periodic Site Inspections page 17 The User must instruct all persons using recycled water of its proper use and precautions Personnel Training page 14 All piping and points of connection must be labeled with Recycled Water Do Not Drink Marking and Equipment page 21 and the universal Do Not Drink symbol page 25 All recycled water use areas accessible to the public must be posted with signs visible to the public and must include the statement Recycled Water Do Not Drink page 24 and the Do Not Drink symbol page 25 An initial cross connec
33. by State law This Manual provides necessary information to meet existing regulations for the operation of the User s recycled water system Every effort has been made to ensure that this Manual is in compliance with and is not intended to supersede existing codes laws statutes and regulations of the State of California Regulatory Agencies and local governing bodies concerning the currently approved use of recycled water This Manual is also not intended to supersede the American Water Works Association AWWA California Nevada Section s Guidelines for Distribution of Nonpotable Water or Guidelines for the On site Retrofit of Facilities Using Disinfected Tertiary Recycled Water Since legal and regulatory requirements can change without the express approval or knowledge of the Recycled Water Agency the Recycled Water Agency assumes no liability for errors in this Manual It s the responsibility of the User to check with its Recycled Water Agency before initiating any operational or physical changes to the use site s system Final February 15 2005 This Manual is organized in the following manner ts The User s Summary provides a brief commentary on major topics and indicates a page number to find additional information t General Provisions covers the basic administrative requirements including authorities responsibilities and liabilities x Design and Construction covers the considerations needed w
34. d fees concerning recycled water service shall be established and fixed by the California Public Utilities Commission PROTECTION OF PUBLIC HEALTH The Recycled Water Agency reserves the right to take any action necessary with respect to the operation of the User s on site recycled water system in order to safeguard the public health AUTHORIZED USES The use of recycled water is limited to those uses approved by the Regional Board or the State DHS Any other use of recycled water is prohibited without the prior approval on a case by case basis of the Recycled Water Final February 15 2005 General Provisions Agency and the appropriate Regulatory Agencies APPROVED USE AREAS Recycled water may only be used in areas approved by the Recycled Water Agency following the User s completion of the Recycled Water Agency s application procedure and its meeting all of the requirements of the applicable Regulatory Agencies A User may never supply recycled water to another owner s adjoining property or to the property of the same User across a street or alley without the prior written approval of the Recycled Water Agency The User may not give or sell recycled water to another party Should the property become sub divided the service will be considered as belonging to the parcel it enters directly If such a subdivision occurs or property ownership is transferred the Recycled Water Agency must be notified In an
35. e both potable water and recycled water exist the potable supply must be protected against accidental cross connections In lieu of an air gap reduced pressure principal backflow prevention RP devices are generally approved by the State DHS and the Recycled Water Agency This is done according to the approved site specific drawings Backflow prevention devices must be approved by the Recycled Water Agency and the appropriate regulatory agencies before installation If an RP is installed it must be tested annually The device testing must be done by a backflow prevention device tester certified by the ABPA or the AWWA Test reports must be provided to the Recycled Water Agency and the regulatory agency requiring the test Records must be maintained for at least three 3 years by both the User and the Recycled Water Agency INITIAL CROSS CONNECTION TEST Prior to retrofit work or construction a initial cross connection inspection and test must be coordinated by the Recycled Water Agency with all appropriate health agencies being notified This test should follow the general guidelines outlined in Section F The purpose of the test is to determine if there are any connections between the existing irrigation system and the potable water system prior to construction Final February 15 2005 During the lifetime of the recycled water system the Recycled Water Agency must periodically inspect the recycled water system to ensur
36. e compliance with all applicable rules and regulations Additionally the Recycled Water Agency may be required to perform periodic inspections of the system for cross connections including shut down tests if appropriate depending on the use site characteristics FINAL CROSS CONNECTION TEST On sites where both recycled and potable water are present a cross connection test must be performed using potable water supplied through an approved backflow prevention device before connecting the User s on site recycled water system to the Recycled Water Agency s distribution system This on site test is to ensure the absolute separation of the recycled and potable water systems The Recycled Water Agency shall coordinate the scheduling of the cross connection test Periodic testing using the same procedures may be required in the future depending on the use site s characteristics A written report documenting the test results must be submitted to the Recycled Water Agency the State DHS and the local city or county Health Department following completion A pressure shut down test procedure is detailed in Section F As an alternative to the pressure test a dye test may be performed by charging the recycled water system with potable water containing a food grade colored dye The unpressurized potable water system is then checked for any evidence of the colored dye If the dye is found a cross connection 26 RECYCLED WATER
37. e non potable water pipelines must be appropriately labeled and color coded yellow to differentiate non potable water lines from recycled water and potable water lines Non potable water lines may be wrapped with yellow identification tape having the words NON POTABLE WATER DO NOT DRINK visible in contrasting letters 21 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Exposed valve boxes vaults quick coupling valves outlets and related appurtenances must be color coded labeled or tagged to differentiate recycled water from potable water that is CAUTION RECYCLED WATER DO NOT DRINK in black or white contrasting lettering on a purple background or POTABLE WATER in white lettering on a blue background or NON POTABLE WATER DO NOT DRINK in contrasting lettering on a yellow background Tags must be identified with the appropriate wording on both sides Tags identifying recycled water must have both the appropriate wording and the Do Not Drink symbol page 26 VALVES Quick Coupling Valves New quick coupling valves made specifically for recycled water use should be 3 4 inch or 1 inch nominal size and of brass construction with a normal working pressure of 150 psi The covers on all new quick coupling valves must be permanently attached and made of purple rubber or vinyl with the words RECYCLED WATER imprinted on the cover and must be provided with a lock To prevent unauthorized
38. e that all corrections are complete including color coded plans for each controller that are accurate and placed at each controller cabinet Upon the successful completion of the inspection and cross connection tests the User will be granted permission for the normal operation of the system At this time the Recycled Water Agency s inspector will discuss with the User and the User s Site Supervisor conditions for operation inspections etc Final February 15 2005 31 RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details LOCAL CONTACTS SITE LOCATION SUPERVISOR PHONE RECYCLED WATER AGENCY CONTACTS WATER OPERATIONS PHONE SUPERVISOR PHONE RECYCLED WATER INSPECTOR PHONE RECYCLED WATER AGENCY S ENGINEER PHONE Final February 15 2005 32 Today s Date RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details RECYCLED WATER IRRIGATION USER APPLICATION Tract No Project Name Location or Brief Legal Description Type of Development Description of proposed uses of recycled water Expected date to commence recycled water service Month Year Estimated Water Requirements Average Peak Demand Acres AF YR GPM Landscape Irrigation Park Open Space School Owner Engineer Address Address City City State Zip State Zip Phone Phone Contact
39. ee ee mma Cut Rud 4 Py pe of Plants eM H 41 Final February 15 2005 11 Final February 15 2005 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Table of Contents Soil Ty TC 41 Tipaton Schedule isoin aati oe ide ep e odo te dique o Seg le ese 41 NUTREN Pt er a Leo nal dd EE 42 Hertilizer Val iia sia 42 Orpamental Lakes td E dud DO IOS LX a Eit idR ead PURA a auia 42 Incicased Mowing 5 seni t tna 43 iii RECYCLED WATER URBAN IRRIGATION USER S MANUAL Foreword FOREWORD The Recycled Water Urban Irrigation User s Manual Manual has been prepared to convey the general rules regulations and guidelines regarding the safe introduction and use of recycled water for landscape irrigation in Los Angeles County and other areas in the State of California This document was prepared by the Los Angeles County Recycled Water Advisory Committee LACRWAC a local chapter of the California Section of the WateReuse Association which is comprised of water utilities regulatory interests and other entities interested in the safe introduction and use of recycled water At the time of this publication LACRWAC included Regulatory Agencies e State of California Department of Health Services e County of Los Angeles Department of Health Services e Los Angeles Regional Water Quality Control Board Water and Wastewater Utilities e Castaic Lake Water Agency Central Basin Municipal W
40. ement An agreement issued by the Recycled Water Agency to a recycled water service Applicant after the satisfactory completion of the service application procedures This Agreement forms a service agreement between the User and the Recycled Water Agency that legally binds the User to all conditions stated in the Agreement and all applicable Regulatory Agency requirements User Agreement For Users Served by an Investor Owned Utility An agreement shall consist of the signed Application the User Manual a copy of the applicable Regional Water Quality Control Board water recycling permit and the California Public Utilities Commission approved Tariff Schedules These form a service agreement between the User and the Recycled Water Agency that legally binds the User to all conditions stated in the Agreement and all applicable Regulatory Agency requirements Violation Noncompliance with any condition or conditions of the User Agreement water recycling requirements issued the Regional Water Quality Control Board and or Title 22 Chapter 3 of the California Code of Regulations by any person action or occurrence whether willfully or by accident Windblown Spray Dispersed airborne particles of recycled water that can be transmitted through the air to locations other than those approved for the direct use of recycled water Final February 15 2005 40 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Definitions SECTION H TIPS FOR SU
41. equired for temporary water and system testing before being served recycled water Recycled Water Agency notifies the State local city or county Health Department of the submitted application Potential User submits two sets of plans each to the Recycled Water Agency and to either State DHS or the local city or county Health Department for plan check and pays the applicable plan check fees Recycled Water Agency State DHS and the local city or county Health Department complete plan check and return plans to the potential User for corrections After all corrections are made the potential User resubmits the marked plan checked prints along with a final set of plans If no more corrections are to be made the Recycled Water Agency State DHS and the local city or county Health Department will approve the original plans Four 4 sets of prints of the signed plans each should be submitted to these agencies A pre job meeting preliminary inspection is held before construction with the Recycled Water Agency s representative potential User and the contractor This meeting is to cover the plan s general notes specific job requirements and cover any questions Following this meeting an initial cross connection test is to be conducted on existing systems with the state and or city or county health agencies The potential User may begin construction according to the approved plans contingent upon any other required permits or approvals being ob
42. er and seed crops non fruit bearing trees pasture for milking animals water supply for livestock Impoundments Restricted and unrestricted full body contact recreational impoundments decorative lakes and fountains fish hatcheries Industrial Industrial processes e g paper manufacturing carpet and textile dyeing boiler feed cooling towers and air condition ing non residential toilet urinal and floor drains structural and non structural fire fighting commercial laundries commercial car washes concrete mixing construction dust control soil compaction backfill consolidation around pipelines including potable street and sidewalk cleaning flushing sanitary sewers snow making RECYCLED WATER URBAN IRRIGATION USER S MANUAL ARE THERE DISADVANTAGES TO USING RECYCLED WATER Recycled water must be used responsibly within established guidelines regulations and permit requirements Because of its origins and the level of treatment provided recycled water is not suitable for direct human consumption Unlike potable water recycled water can only be used for approved uses at approved locations under the provisions of established regulations agreements or permits At the time of this writing there have been no known cases of illness in the State of California due to the proper use of recycled water according to the State DHS In very rare occasions there may be temporary interruptions of recyc
43. f the State DHS and the local city or county Health Department The State DHS permits the use of a swivel ell assembly see sample schematic next page that allows for the use site s water supply to be switched between the recycled and potable water systems if certain stringent requirements are met Final February 15 2005 Design amp Construction FIRE PROTECTION SYSTEMS Some recycled water use sites may also have separate potable water service connections for dedicated fire protection systems Depending on the Class of fire protection system on the reuse site if the fire service includes piping for delivery systems outside of buildings and the manner of on site recycled water usage then either single check valve double check valve or RP backflow assemblies may be required at the fire supply meter Since requirements vary from place to place the exact requirements will be provided to the User by the Recycled Water Agency Regulatory Agency and or the local city or county Health Department PROTECTION OF GROUNDWATER Irrigation with recycled water within 50 feet or impoundment of recycled water within 100 feet of any drinking water reservoir or well is prohibited Proposed irrigation with recycled water within 50 feet or impounding recycled water within 100 feet of a non potable water well requires the approval of the appropriate health agency SERVICE STARTUP Following the acceptance of the User s recyc
44. guage PIPING BELOW GRADE All new piping must be installed according to the approved plans and marked as required Installation must be in accordance with the latest edition of International Association of Plumbing and Mechanical Officials TAPMO Standard IS 8 Fittings primers and solvents must be IAPMO listed All new recycled and potable water lines pressure non pressure new and existing valve boxes and appurtenances must be Final February 15 2005 identified to clearly distinguish between recycled water and potable water systems Identification of Recycled Water Lines All new buried recycled water lines pressure non pressure must be extruded purple colored Schedule 40 minimum PVC pipe with continuous wording CAUTION RECYCLED WATER printed on opposite sides of the pipe The use of continuous lettering on 3 inch minimum width purple tape with 1 inch black or white contrasting lettering bearing the continuous wording CAUTION RECYCLED WATER permanently affixed at 10 foot intervals atop all horizontal piping laterals and mains is an acceptable alternative to the purple pipe Identification tape must extend to all valve boxes and or vaults and exposed piping rans Shc Ae CRY 4 Kaos e IS n u i Re ycled water pipeline installation with l continuous purple warning tape Piping buried under pavement must be sleeved with the sleeve being at least two 2 inches larger in diameter
45. h back siphonage Off site Designates or relates to recycled water facilities up to and including the water meter that are owned and operated by the Recycled Water Agency On site Designates or relates to facilities owned and operated by a User Operations Personnel Any employee of a User whether permanent or temporary or any contracted worker whose regular or assigned work involves the supervision operation or maintenance of equipment on any portion of on site facilities using recycled water Operator Any person persons or firm who by entering into an agreement with a User is responsible for operating on site facilities Owner Any holder of legal title contract purchaser or lessee under a lease with an unexpired term of more than one 1 year for property for which recycled water service has been requested or established Point of Connection This is the point where the User s system ties to the Recycled Water Agency s system usually at the water meter Final February 15 2005 38 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Definitions Ponding Unintentional retention of recycled water on the surface of the ground or other natural or manmade surface for a period following the cessation of an approved recycled water use activity such that a hazard or potential hazard to the public health results Potable Water That water that is pure and wholesome does not endanger the lives or health of
46. he responsibility of the User to report to the Recycled Water Agency all system failures that result in an unauthorized discharge of more than 50 000 gallons of tertiary treated recycled water or 1 000 gallons for any lesser quality recycled water An immediate oral report followed by a written report is required Contamination of Drinking Water In case of contamination of the potable water system due to a cross connection on the User s premises the Recycled Water Agency and the local city or county Health Department must be immediately notified by the User see page 36 The User is to immediately invoke the Emergency Cross Connection Response Plan VIOLATIONS The Recycled Water Agency reserves the right to decide if a violation of the conditions under which the User Agreement was issued has occurred Violations may include non compliance of any of the following prohibitions runoff conditions ponding conditions windblown spray conditions leaks or spills resulting from broken or damaged pipelines or appurtenances unapproved uses disposal in unapproved areas cross connections unprotected drinking fountains and unauthorized or prohibited use of hose bibbs whether willful or by accident Any willful or accidental act of noncompliance with any existing Federal state or local ordinance code law or statute regulating the use of recycled water constitutes a violation NOTIFICATION It is the responsibility of the Site Su
47. hen an on site recycled water system is first installed or modified r Operation and Maintenance covers the basic conditions for service contained in the State of California s Water Recycling Criteria t Marking and Equipment gives the basic requirements for marking the water systems and signing the use area t Cross connection Controls and Pressure Testing Procedure outline the requirements for protecting the potable water system and keeping it separate from the recycled water system is Sample Forms and Site Specific Details provides a summary of steps to obtain recycled water templates of sample forms to help with inspections and a location for information specific to the use site t Local Governing Agencies provides the names addresses and phone numbers of agencies responsible for the regulatory administration of water recycling activities t Definitions are included for terms used within the Manual RECYCLED WATER URBAN IRRIGATION USER S MANUAL WHAT IS RECYCLED WATER Recycled water also called reclaimed water as used in this Manual and defined in Title 22 Chapter 3 of the California Code of Regulations refers to tertiary treated water produced from the three stage treatment of municipal wastewater see box right Although secondary treated effluent may also be reused its applications are limited and subject to much greater restrictions and it will not be addressed in this Manu
48. i 2l LO Vh dg dogs dM cce c LT 22 Quick Coupling Valves seen da 22 Grm LI m RE 22 Remote Control Valves iuc eoa neesitv trei Nu uera iS URP abad 22 SPRINKEER HEADS a p eq pv 22 SYSTEM CONTROL DEVICES 2 2 estie ee iterat Machabaei edis 23 STORAGE TANKS amp IMPOUNDMENTS essere nennen ener enne 23 OTHER DEVICES ninne e toque QU at mM 23 VEHICLE IDENTIFICATION A da ie aod 23 POSTING APPROVED USE AREA O e aai dee pre e uen S 24 SECTION E CROSS CONNECTION CONTROL e eeeeeeeeeeeee eese ete ene esta enatnatno 26 PROTECTION OF POTABLE WATER SYSTEMS eee 26 INITIAL GCROSS CONNECTION TEST 555 reete ete potendo cdit x eritis iia 26 FINAL CROSS CONNECTION TEST ad id seid 26 PERIODIC CROSS CONNECTION TESTING PCCT eene 27 EMERGENCY CROSS CONNECTION RESPONSE PLAN eee 21 SECTION F REUSE SITE PRESSURE TESTING PROC EDURE ccccsscsssssssssssessessscesseesees 29 SECTION G SAMPLE FORMS AND SITE SPECIHC DETAILS eee 30 SUMMARY OF STEPS TO OBTAIN RECYCLED WATER 30 SECTION F LOCAL GOVERNING AGENCIES eere eese eee ee eee tn tn enntnatnen 36 SECTON G DEHNITIONS reeonio rant nonno inn nh hne ores enn eai en ope nena orte eu an Enron 37 SECTION H TIPS FOR SUCCESSFUL USAG E eerie esee ee esee etate etta tn sna en stata enano 41 SALT EE BES Ao nE n beni a
49. leaking pipes or valves etc must be repaired when the malfunction becomes apparent ts A maintenance program for backflow prevention assemblies that includes at least annual testing by a tester certified by the American Backflow Prevention Association ABPA or AWWA must be carried out Records of annual tests repairs and overhauls must be kept by the user with copies forwarded to the Recycled Water Agency and the local city or county Health Department PERIODIC SITE INSPECTIONS Periodic site inspections of the User s recycled water irrigation system are mandated in the Water Code Section 13523 1 b 5 Such inspections include at a minimum the visual inspection of all back flow prevention devices pump rooms exposed piping valves pressure reducing stations points of connection sprinklers controllers lakes storage facilities signs labeling tags etc The Site Supervisor s maintenance records should also be inspected These inspections are the responsibility of the entity holding the master water recycling permit issued by the Regional Board This may be the Recycled Water Agency or the Recycled Water Producer if separate Whoever the responsible agency is may perform this inspection or it may be delegated to a third party The responsible 17 RECYCLED WATER URBAN IRRIGATION USER S MANUAL agency will also determine the frequency of these inspections based on local conditions The Recycled Water Agency al
50. led water deliveries as there are in any utility Such instances are generally short in duration Final February 15 2005 Introduction NEED FOR REGULATIONS Regulations make the use of recycled water possible Regulations ensure consistent reliable water quality while being fully protective of the public health California Code of Regulations Titles 22 and 17 are the two sets of State DHS regulations that accomplish this Title 22 establishes the requirements for recycled water treatment quality and allowable use Title 17 establishes the requirements for backflow protection of the potable water supply Copies of these regulations may be obtained from your Recycled Water Agency RECYCLED WATER URBAN IRRIGATION USER S MANUAL User s Summary USER S SUMMARY Recycled water is a safe and effective resource for nonpotable use Properly managed recycled water has a very limited health risk if any To help in the proper management of recycled water the State of California the local city or county Health Department and the Recycled Water Agency have developed rules and regulations for the safe use of recycled water These rules and regulations are in place to insure that the User its Site Supervisor and employees and the public are protected from any health risk real or perceived that might be associated with the use of recycled water t Because recycled water is not suited for human consumption every effort must
51. led water system by the Recycled Water Agency the User may request regular service startup Upon receipt of the startup request the Recycled Water Agency will notify the appropriate regulatory agencies and schedule a final inspection The startup request shall include the appropriate documentation and any payments and or fees as indicated in the Recycled Water Agency s User Agreement 11 RECYCLED WATER URBAN IRRIGATION USER S MANUAL CONCRETE FLANGE ENO X GROOVED ENO SWIVEL ELBOW RESTRAINED ROD PER DETAIL DRESSER COUPLING EXIST WATER ra DISTRIBUTION LINE iy i a a H NEW 6 POTABLE d y on ey j WATER RP BACKFLOW j i PREVENTER SECTION NO SCALE EXIST RECYCLED TEST TEE STRAINER WAER CONNECT NEW 6 XIST RECYCLED WATER TO POTABLE EXIST RECYCLED WATER WATER LINE 12 6 EXIST 6 POTABLE Design amp Construction NEW 6 RECYCLED WATER CONNECT TO EXIST WATER DISTRIBUTION SYSTEM CUT AND DISCONNECT EXIST WATER LINE EXIST 6 RECYCLED WATER TURBINE PLAN NO SCALE PLAN BELOW GRADE ELEVATION NO SCALE Sample schematic drawing of a swivel ell assembly for a back up potable water supply Final February 15 2005 12 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Operation amp Maintenance SECTION C OPERATION amp MAINTENANCE GENERAL Recycled water service will be provided by the Recycled Wa
52. ly stop recycled water service to the User It will be at the discretion of the Recycled Water Agency to decide if a violation has been adequately corrected The Recycled Water Agency may impose a startup fee upon resumption of service to a User whose service has been terminated depending on the provisions of the User Agreement Final February 15 2005 Operation amp Maintenance ENFORCEMENT The Recycled Water Agency shall enforce all existing regulations concerning the use of recycled water and or recycled water systems Regulations concerning the use of any recycled water or recycled water system shall be applied with equal force and effect to any person persons or firm public or private There will be no deviations from these regulations except upon written authorization of the Recycled Water Agency acting within applicable regulations An appeal procedure may be provided for in the User Agreement or in the Recycled Water Agency s rules and regulations and the action of the Recycled Water Agency will be final CAUSES FOR TERMINATION OF SERVICE The Recycled Water Agency reserves the right to revoke a User s Agreement if any or all of the service conditions are not satisfied at all times Service to a User may be terminated any time if ts The Recycled Water Agency s distribution system is not capable of supplying recycled water t The quality of the recycled water does not comply with the requirements of
53. ment operation and maintenance of the User s recycled water system 1 t Reporting all violations and emergencies to the required local governing agencies A listing of these agencies is provided in Section H ts Obtaining prior authorization from the Recycled Water Agency and any required regulatory agency before making any modifications to the approved recycled water system or the potable water system if it s in close proximity to the recycled system Permitting and or fee assistance may be available from the Recycled Water Agency RECYCLED WATER URBAN IRRIGATION USER S MANUAL USER AGREEMENT AND PERMITS A potential User must complete all of the Recycled Water Agency s requirements for example permit application prior to the issuance of a User Agreement Note User Agreement is the term used to describe any agreement contract permit ordinance memorandum of understanding or other such document used by the Recycled Water Agency to present the terms and conditions for the use of recycled water by a User The Recycled Water Agency reserves the right to alter on a case by case basis the User Agreement RATE AND FEE SCHEDULE If recycled water is provided by a public entity such as a water district or municipality all rates and fees concerning recycled water service will be established and fixed by the Recycled Water Agency If recycled water is provided by an Investor Owned Utility all rates an
54. noff are not allowed t Good personal hygiene must be followed for example washing hands after working with recycled water t Operations personnel must understand that there is never to be a direct connection between the recycled water system and the potable water system PERIODS OF OPERATION Operation of the User s on site recycled water system must adhere to the following requirements ts Irrigation may only occur during periods of least use of the approved area by the general public This is usually between the hours of 10 p m and 6 a m however areas where public access is generally prohibited or minimized such as commercial nurseries and freeway landscaping may be irrigated at any time rx The recycled water system must be operated to prevent overspray or windblown spray into unapproved areas Inadvertent public contact with recycled water irrigation spray must always be avoided Final February 15 2005 Operation amp Maintenance Even though tertiary treated recycled water is approved for full body contact by the State DHS irrigation of public areas during other times may be performed if the irrigation system is operated manually and is supervised to avoid inadvertently exposing any members of the general public This provision must be strictly followed Consideration should be given to allow a reasonable dry out time before the area is to be used by the public Automatic control systems are
55. pervisor to immediately notify the Recycled Water Agency of any failure or cross connection in 18 RECYCLED WATER URBAN IRRIGATION USER S MANUAL his her recycled or potable water system whether or not he she believes a violation has occurred It is also the responsibility of the Site Supervisor to immediately notify the Recycled Water Agency of any violation he she believes might imminently occur because of any action the User s personnel might take during the operation of the recycled or potable water systems If there are any doubts whether a violation has occurred it is the responsibility of the Site Supervisor to report each occurrence to the Recycled Water Agency so a decision can be made It is then the Recycled Water Agency s responsibility to notify the Recycled Water Producer if a separate entity holding the master water recycling permit from the Regional Board and local governing agencies of any violations These agencies are listed in Section H CORRECTIVE ACTION If the Recycled Water Agency s investigation reveals that a violation has occurred on the reuse site that agency must immediately notify the User of the violation and what corrective actions must be taken It is the responsibility of the User to immediately initiate corrective action to eliminate the violation If the Recycled Water Agency believes the violation constitutes a hazard to the public health the Recycled Water Agency must immediate
56. re is lower than what the User needs the User shall be responsible for providing booster pumping downstream of the meter Any pumping of recycled water requires the prior written approval of the Recycled Water Agency 10 RECYCLED WATER URBAN IRRIGATION USER S MANUAL The Recycled Water Agency must ensure that the quality of the recycled water in its distribution system is not compromised by any User Therefore the Recycled Water Agency may require backflow protection on the User s recycled water system This backflow protection might be just downstream of the recycled water meter or at specific on site location s where an activity of the User such as fertilizer injection could degrade the quality of the recycled water in the distribution system If necessary details will be included in the User Agreement Backflow prevention devices must be approved by the Recycled Water Agency and the appropriate regulatory agencies Devices must be properly maintained inspected quarterly and tested at least annually Backflow prevention assemblies when required on recycled water systems must be conspicuously labeled Based on the provisions of the User Agreement the Recycled Water Agency may provide the required test equipment Backup Water Source If potable water is to be used as a backup source to the recycled water system it must be done only through an air gap separation between the two systems and with the prior approval o
57. riff Schedules as approved by the California Public Utilities Commission From time to time there may be amendments to existing regulations These amendments may be made without the knowledge or consent of the User or the Recycled Water Agency These amendments will be enforced upon their effective date The Recycled Water Agency will make every effort to make sure the User is made aware of these changes when they occur SYSTEM RESPONSIBILITY The Recycled Water Agency is responsible for the operation and maintenance of its recycled water distribution system up to the point of connection to the User However it s the responsibility of the User to maintain Final February 15 2005 its recycled water system downstream of the point of connection usually the meter with the Recycled Water Agency s distribution system The User is responsible for ensuring that the recycled water is used on its site according to all the rules and regulations regarding such use Specifically the User is responsible for the following ts Maintaining the use site s recycled water system ts Ensuring that all materials used during the design construction and maintenance of the system are approved or recommended for recycled water use by the AWWA California Nevada Section s Guidelines for the On site Retrofit of Facilities Using Disinfected Tertiary Recycled Water ts Obtaining all permits and payment of all fees required for the establish
58. ring Periodic Visual Inspections Assist and cooperate during Periodic Cross Connection Testing Don ts Final Don t drink recycled water Don t use recycled water to wash hands or any other part of body Don t remove recycled water identification signs tags or labels Don t cross connect two dissimilar water systems recycled to potable Don t allow recycled water to contact drinking fountains or eating areas Don allow recycled water to pond or puddle Don allow recycled water to runoff the use site property by either overspray or overwatering Don t use recycled water on an unapproved site Don t put hose bibbs on recycled water systems unless public access is restricted Don t use the same equipment on both recycled water and domestic water systems for example quick couplers tools etc Don t modify any water system without prior approval of provider and or Health Department February 15 2005 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Table of Contents TABLE OF CONTENTS SECTION FOREWORD ici T 1 INTRODUCTION pe M 2 PURPOSE eet cud Gub ob e a fecti ft aad cetera teem Gs at uate llo ande 2 WHAT IS RECYCLED WATER e cei cene drei da ceca RH EE e c Rad Fede dicis eats 3 WHAT ARE DUAL SOURCE SITES eiie rta ete UR ed ate Rees 3 BENEFITS OF RECYCLED WATER IRRIGATION eere 4 ARE THERE DISADVANTAGES TO USING RECYCLED WATER 5 NEED FOR REG
59. se water hazards or decorative lakes Windblown Spray Conditions The irrigation systems must be designed constructed and operated to minimize to the fullest extent practical windblown spray from leaving the approved use area Unapproved Uses Use of recycled water for any purposes other than those explicitly described in the Recycled Water Agency s water recycling permit is strictly prohibited Use in Unapproved Areas The delivery and use of recycled water for any reason including approved uses in areas other than those explicitly approved in the current effective user permit and without the prior approval of the appropriate Regulatory Agencies is strictly prohibited Cross Connections Cross connections as defined by the California Code of Regulations resulting from the use of recycled water or from the physical presence of a recycled water service whether by design construction practice or system operation are strictly prohibited If any cross connection is discovered the User shall immediately turn off the system notify the Recycled Water Agency and implement the Emergency Cross Connection Response Plan see page 27 13 RECYCLED WATER URBAN IRRIGATION USER S MANUAL DESIGNATION OF SITE SUPERVISOR It is the User s responsibility to provide surveillance and supervision of its on site recycled water system in a way that assures compliance at all times with current regulations and the recycled water
60. so reserves the right to make unannounced inspections of the use site s facilities although at reasonable times Upon completion of the inspection a Site Inspection Report Form see example page 34 should be signed and dated by both the Site Supervisor and the entity performing the inspection The original form should be kept by the inspecting entity with copies going to the Site Supervisor the Recycled Water Agency and or Producer and any required regulatory agency Should a cross connection be discovered during the inspection the Emergency Cross Connection Response Plan page 27 should be immediately invoked by the Site Supervisor EMERGENCY PROCEDURES In case of a major earthquake the Site Supervisor should immediately inspect the potable and recycled water systems for damage If either system appears damaged both water systems should be shut off at their points of connection The Site Supervisor should immediately contact the Recycled Water Agency for further instructions Emergency Modifications Emergency modifications or repairs can be made by the User to the recycled water system without the prior approval of the Recycled Water Agency to prevent contamination damage or a public health hazard As soon as possible the User must notify the Recycled Water Agency of the emergency modifications and file a written report Final February 15 2005 Operation amp Maintenance Unauthorized Discharge It s t
61. system such as pipeline repairs sprinkler replacement and other similar activities that don t result in a substantial change in either the recycled or potable water systems or any agreed to operating plans don t need prior approval by the Recycled Water Agency Emergency modifications or repairs that must be made by the User to its system in order to prevent contamination damage or a public health hazard are covered under Emergency Procedures page 18 MAINTENANCE The User must implement a preventive maintenance program that will ensure that the recycled water system always remains in compliance A preventive maintenance program should include but not be limited to the following ts Regular inspections should be conducted by the User of the entire recycled water system including sprinkler heads spray patterns piping and valves pumps storage facilities lakes controllers signage etc Immediately correct any problems ts All notification signs labels and or tags should be checked for their proper placement and readability Replace damaged or unreadable signs labels or tags Final February 15 2005 Operation amp Maintenance ts Special attention should be given to spray patterns to eliminate ponding runoff and wind blown spray conditions ts Establish and maintain an accurate records keeping system of all inspections modifications and repairs t Broken sprinkler heads faulty spray patterns
62. table water systems t Be familiar with the basic concepts of backflow and cross connection prevention system testing and related emergency procedures and participate in any cross connection tests The Recycled Water Agency must be notified immediately of any change in personnel for the Site Supervisor position The Recycled Water Agency will provide the Site Supervisor with periodic inspections of the User s system and report all violations to the appropriate Regulatory Agency according to applicable procedures established by law code permit or practice PERSONNEL TRAINING All new employees must be trained in the proper use of recycled water Supervisory personnel and the Site Supervisor should be held accountable to ensure that employees are not using recycled water carelessly or improperly It is the responsibility of the User to train all operations personnel so they are familiar with the use of recycled water Any training program should include but not be limited to the following ts Operations personnel must be aware that recycled water although highly treated is non potable Recycled water may never be used for human consumption t Operations personnel must understand that working with recycled water is safe if common sense is used and appropriate regulations are followed 14 RECYCLED WATER URBAN IRRIGATION USER S MANUAL t Operations personnel must understand that conditions such as ponding and ru
63. tained Approvals for deviations in the approved plans are to be sought as they occur Final February 15 2005 30 RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details All work during construction must be inspected by the Recycled Water Agency and or the local city or county Health Department before backfilling any buried piping If any reclaimed or potable water piping is installed before plan check approval and or inspection all or any portion of the piping system may be required to be exposed and corrected as necessary After construction is completed the Recycled Water Agency and either State DHS or the local city or county Health Department must be notified for the final inspection and cross connection test utilizing potable water supplied through an approved backflow prevention device on dual source sites The recycled water meter is installed potable water severed and conversion made to recycled water During this walk through flow adjustments are made tagging is inspected and coverage is checked A thorough cross connection test is conducted at this time to verify that construction was performed correctly The Recycled Water Agency and or the local city or county Health Department will generate a punch list of corrections to be made if necessary A follow up walk through will be called for after all corrections from the first walk through are completed if required This walk through will inspect to se
64. ter Agency only to those Users who have a current User Agreement for such service unless otherwise determined by the Recycled Water Agency s Governing Board This recycled water service can be revoked any time at the discretion of the Recycled Water Agency Recycled water service must be made available only in accordance with all applicable Federal state and local statutes ordinances regulations and contracts and other requirements including the California Water Code the California Code of Regulations Titles 17 and 22 and requirements and regulations imposed by the Regional Water Quality Control Board the State DHS the local city or county Health Department and or the recycled water Producer The User must comply with the conditions of any User Agreement issued by the Recycled Water Agency Recycled Water Agencies may not deliver recycled water to Users that do not or will not comply with use site requirements CONDITIONS OF SERVICE The User must comply with the following conditions Runoff Conditions The irrigation systems must be designed constructed and operated to minimize to the fullest extent practical runoff outside the approved use area Final February 15 2005 Ponding Conditions The irrigation systems must be designed constructed and operated to minimize to the fullest extent practical ponding within or outside of the approved use area This does not apply to approved impoundments such as golf cour
65. than the irrigation pipe 20 RECYCLED WATER URBAN IRRIGATION USER S MANUAL When recycled and potable water lines cross the recycled water line must be located at least 1 foot below the potable water line If this separation is not possible then either the recycled or potable water line must be sleeved to 10 feet on either side of the crossover Parallel recycled and potable water lines must be at least 10 feet apart or at least 4 feet if the recycled line is enclosed in a sleeve Identification of Potable Water Lines New buried potable lines must be identified by continuous lettering on 3 inch minimum width blue tape with 1 inch white lettering bearing the continuous wording POTABLE WATER permanently affixed at 10 foot intervals atop all horizontal piping laterals and mains Identification tape must extend to all valve boxes vaults and exposed piping Identification tape is not necessary for extruded blue colored PVC with continuous wording POTABLE WATER printed in contrasting lettering on opposite sides of the pipe Identification of Non Potable Water Lines Non potable water is water supplied from the potable water system through an appropriate backflow preventer All non potable irrigation industrial water lines pressure non pressure must be identified by continuous lettering on 3 inch minimum width yellow tape with 1 inch contrasting lettering bearing the continuous wording NON POTABLE WATER DO N
66. the Regulatory Agencies ts The User s operation does not conform to all applicable regulations permit requirements and or the terms of the User s agreement ts There is nonpayment of service fees and charges by the User 19 RECYCLED WATER URBAN IRRIGATION USER S MANUAL Marking amp Equipment SECTION D MARKING amp EQUIPMENT GENERAL All materials apparatus piping valves controllers sprinkler heads pumps etc for new recycled water irrigation systems must be approved for use in a pressurized recycled water system and installed according to approved plans The recycled water system must conform to the AWWA California Nevada Section s Guidelines for the On site Retrofit of Facilities Using Disinfected Tertiary Recycled Water Deviations will not be allowed without prior approval System installation must conform to the Uniform Plumbing Code and all other local codes rules and regulations The approved use area must be clearly marked All outlets from the recycled water system must be marked CAUTION RECYCLED WATER DO NOT DRINK In addition signs must be posted at all entrances to the use site indicating that recycled water is used for irrigation purposes The Do Not Drink symbol page 25 must be present on all signs Recycled Water Agencies may also choose to require the signs to include translations into the appropriate foreign language s as not all areas have Spanish as the second lan
67. tion test must be conducted to determine if there are any unknown connections between existing irrigation and potable piping prior to construction of retrofit work Initial Cross Connection Test page 26 Prior to connection with the recycled water distribution system a final cross connection test must be performed to verify that construction or retrofit work was performed correctly Final Cross Connection Test page 26 In the event of a cross connection incident the User must implement an emergency response plan page 27 RECYCLED WATER URBAN IRRIGATION USER S MANUAL General Provisions SECTION A GENERAL PROVISIONS REGULATORY AUTHORITY Rules and regulations for the end use of recycled water are established and or enforced by the California Regional Water Quality Control Board Regional Board the State DHS and the local city or county Health Department These rules and regulations are typically contained in a permit from the Regional Board issued to the Recycled Water Agency and Producer All facilities using recycled water must be designed and operated to meet the standards of the local governing codes rules and regulations Various regulations for recycled water use may be outlined in the Recycled Water Agency s Recycled Water Ordinance However if recycled water service is provided by an Investor Owned Utility the various regulations for recycled water use are outlined in the Recycled Water Agency s Ta
68. uate period of time based on site specific characteristics 6 At the end of the shutdown period all of the use site s potable water fixtures should be tested for cross connections by operating each fixture and checking for flow 7 The potable water inlet should then be checked to detect if there is backpressure or significant backflow If no flow is detected at the inlet or in any of the fixtures that would suggest a cross connection the potable water connection may then be reactivated Final February 15 2005 29 RECYCLED WATER Sample Forms and URBAN IRRIGATION USER S MANUAL Site Specific Details SECTION G SAMPLE FORMS AND SITE SPECIAC DETAILS SUMMARY OF STEPS TO OBTAIN RECYCLED WATER NOTE The following sequence of events is general in nature and is for illustration only Please check with your Recycled Water Agency for the appropriate process Potential User contacts the Recycled Water Agency for recycled water service and the Agency responds in a timely manner Potential User must have irrigation plans stamped by a registered landscape architect or a registered civil engineer Potential User submits a recycled water application an example is shown on page 33 and pays the application fee The User agreement is explained and signed at this time The potential User shall apply to the Recycled Water Agency for a recycled water meter A construction meter for potable water and an appropriate backflow prevention device may be r
69. y case recycled water lines are not permitted to cross lot lines All recycled water delivered to any site must pass through a recycled water meter LIABILITY The User is responsible for the operation and maintenance of the recycled water system downstream of the Recycled Water Agency s point of connection with the User unless such responsibility is clearly outlined in the User Agreement Permit Enforcement page 19 The Recycled Water Agency shall not be liable for any water damage or other damage caused by the User due to defective or broken plumbing or faulty service nor shall the Recycled Water Agency be liable for RECYCLED WATER URBAN IRRIGATION USER S MANUAL damage caused by the User s facilities This includes changes in the recycled water quality that may occur from sitting in ornamental lakes storage tanks pipelines etc WATER SUPPLY CONTINGENCY If at any time during construction or operation of the recycled water system real or potential hazards are found the Recycled Water Agency has the right and the responsibility to immediately suspend with or without notice recycled water service in the interest of protecting the public health Final February 15 2005 General Provisions The Recycled Water Agency may supply water to the affected area either temporarily or permanently from the potable water system with appropriate backflow protection Protection of Potable Water Systems page 26 and Back
70. y the State of California Approved Use An application of recycled water in a manner and for a purpose designed in a user agreement issued by the Recycled Water Agency and in compliance with all applicable Regulatory Agency requirements Approved Use Area A site with well defined boundaries designated in a user agreement issued by the Recycled Water Agency to receive recycled water for an approved use and acknowledged by all applicable Regulatory Agencies Chief Executive Officer The highest ranking management official of the Recycled Water Agency Construction Use An approved use of recycled water to support approved construction activities such as soil compaction and dust control during grading Cross Connection Any physical connection between any part of a water system used or intended to supply water for drinking purposes and any source or system containing water or substance that is not or cannot be approved as safe wholesome and potable for human consumption Graywater Untreated domestic wastewater from bathtubs showers bathroom wash basins clothes washing machines and laundry tubs but excluding toilets kitchen sinks dishwashers photo development sinks and laundry water from soiled diapers This is not the same as treated recycled water Infiltration Rate The rate at which the soil will accept water as applied during irrigation expressed in inches per hour Final February 15 2005 37 RECYC

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