(A) Cross-connection control. Any wells that were in existence on July 22, 1986 may continue to be used by the owner or tenant of the real property whereon the well is located for uses other than domestic household water supply. For purposes of this section, domestic household water supply shall mean water used on the interior of the home for any purpose. No new private wells may be installed within the town after August 29, 2002. There shall be no cross-connection of the town’s water system with any private well or any other source of water supply.
(1) The purpose of this cross-connection control section is to define the authority of the town as the water purveyor in the elimination of all cross-connections within its public potable water supply.
(2) This section shall apply to all users connected to the town’s potable water supply regardless of whether the user is located within the corporate limits of the town or outside of its corporate limits.
(3) This section will comply with the Federal Safe Drinking Water Act (Pub. Law No. 93-523), being 42 U.S.C. §§ 300f et seq., the State Building Code (Volume II) as they pertain to cross-connection with the public water supply.
(B) Objectives. The specific objectives of this cross-connection control section for the town are as follows:
(1) To protect the public potable water supply of the county against actual or potential contamination by isolating within the consumer’s water system contaminants or pollutants which could, under adverse conditions, backflow through uncontrolled cross-connections into the public water system;
(2) To eliminate or control existing cross-connections, actual or potential, between the consumer’s potable water system and non-potable or industrial piping system; and
(3) To provide a continuing inspection program of cross-connection control which will systematically and effectively control all actual or potential cross-connections which may be installed in the future.
(C) Responsibilities.
(1) Health agency. The state’s Department of Environment and Natural Resources has the responsibility for promulgating and enforcing laws, rules, regulations, and polices to be followed in carrying out an effective cross-connection control program. The state’s Department of Environment and Natural Resources also has the primary responsibility of insuring that the water purveyor operates the public potable water system free of actual or potential sanitary hazards, including unprotected cross-connections. The state’s Department of Environment and Natural Resources has the further responsibility of insuring that the water purveyor provides an approved water supply at the service connection to the consumer’s water system and further, that he, she, or they requires the installation, testing and maintenance of an approve backflow prevention assembly on the service connection when required.
(2) Water purveyor. Except as otherwise provided in this section, the water purveyor’s responsibility to ensure a safe water supply begins at the source and includes all of the public water distribution system, including the service connection, and ends at the point of delivery to the consumer’s water system. In addition, the water purveyor shall exercise reasonable vigilance to insure that the consumer has taken the proper steps to protect the public potable water system. To insure that the proper precaution are taken, the town is required to determine the degree of hazard or potential hazard to the public potable water system; to determine the degree of protection required; and to ensure proper containment protection through an on-going inspection program. When it is determined that a backflow prevention assembly is required for the protection of the public water system, the town shall the consumer, at the consumer’s expense, to install an approved backflow prevention assemble at each service connection, to test immediately upon installation and thereafter to annually test, properly repair and maintain such assembly or assemblies and to keep adequate record of each test and subsequent maintenance and repair including material and/or replacement parts.
(3) Plumbing inspections. The town’s Inspection Department has the responsibility to not only review building plans inspect plumbing as it is installed; but, they have the explicit responsibility of preventing cross-connections from being designed and built into the plumbing system with its jurisdiction. Where the review of building plans suggest or detects the potential for cross-connections being made an integral part of the plumbing system, the plumbing inspector has the responsibility, under the State Building Code, for requiring that such cross-connection be ether eliminated or provided with backflow prevention equipment approved by the State Building Code, the Plumbing Inspector’s responsibility begins at the point of delivery, downstream of the first installed backflow prevention assembly, and continues throughout the entire length of the consumer’s water system. The Plan Inspector should inquire about the intended use of water at any point where it is suspected that a cross-connection might be made or where one is actually called for by the plans. When such is discovered, it shall be mandatory that a suitable, approve backflow prevention assembly approved by the State Building Code be required by the plans and be properly installed. The primary protection assembly for containment purposes only shall have approval from ASSE, USC, UST, the State Building Code, and the state’s Department of Environment and Natural Resources.
(4) Consumer. The consumer has the primary responsibility of preventing pollutants and contaminants from entering his, her, or their potable water system or the public potable water system. The consumer’s responsibility starts at the point of delivery from the public potable water system. The consumer’s responsibility starts at the point of delivery form the public potable water system and includes all of his, her, or their waters system. The consumer, at his, her, or their own expense, shall install, operate, test, and maintain approved backflow prevention assemblies as directed by the town. The consumer shall send a copy of these records to the town and maintain an accurate record of tests and repairs made to backflow prevention assemblies and shall maintain such records for a minimum period of three years. The records shall be on forms approved by the town and shall include the list of materials or replacement parts used. Following any repair, overhaul, re-piping or relocation of an assembly, the consumer shall have it tested to insure that it is in good operating condition and will prevent backflow. A certified backflow prevention assembly tester shall make test, maintenance, and repairs of backflow prevention assemblies.
(5) Certified backflow prevention assembly testers. When employed the consumer to test, repair, overhaul, or maintain backflow prevention assemblies, a backflow prevention assembly tester will have the following responsibilities; the tester will be responsible for making competent inspections and for repairing or overhauling backflow prevention assemblies and making reports of such repair to the consumer and responsible authorities on forms approved by the town. The tester shall include the list of materials or replacement parts used. The tester shall be equipped with and be competent to use all the necessary tools, gauges, manometers and other equipment necessary to properly test, repair, and maintain backflow prevention assemblies. It will be the test’s responsibility to insure that original manufactured parts are used in the repair of or replacement of parts in a backflow prevention assembly. It will be the tester’s further responsibility not to change the design, material or operational characteristics of an assembly during repair or maintenance without prior approval of the manufacture. A certified tester shall perform the work and be responsible for the competence and accuracy of all tests and reports. A certified tester shall provide a copy of all tests and repair reports the consumer and to the town’s Water Department within ten business days of any completed tests or repair work. A certified tester shall maintain such records for a minimum period of three years. All certified test equipment which has been evaluated and/or approved by the town. All test equipment shall be registered with the town’s Water Department. All test equipment shall be calibrated annually and certified to the town as to such calibration and that an acceptable method was used. All certified backflow prevention assembly tester must become re-certified every two years through an approved backflow prevention certification program.
(D) Definitions. For the purpose of this section, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
AIR-GAP SEPARATION. A physical separation between the free flowing discharge end of a potable water supply pipeline and an open or non-pressure receiving vessel. An approved AIR-GAP SEPARATION shall be at least three time the internal diameter of the supply pipe measured vertically above the overflow rim of the receiving vessel, in no case less than one inch (2.54cm).
APPROVED MEANS. As used in reference to a water supply that has been approved by the state’s Department of Environment and Natural Resources; or, as used in reference to air-gap separation, a pressure-vacuum breaker, a double check valve assembly, a double check detector assembly, a reduced pressure principle backflow prevention assembly, a reduced pressure principle detector assembly, or other backflow prevention assemblies or methods means an approval by the town.
BACKFLOW. The undesirable reversal of flow of water or mixtures of water and other liquids, gases, or other substances into the distribution pipes of the consumer or public potable water system from any source or source.
BACKFLOW PREVENTION ASSEMBLY; APPROVED. An assembly used for containment and/or isolation purposes that has been investigated and approved by and has been shown to meet the design and performance standards of the American Society of Sanitary Engineers (ASSE) or the Foundation for Cross-Connection Control and Hydraulic Research of the University of Southern California. The APPROVAL OF BACKFLOW PREVENTION ASSEMBLIES is based on a favorable report by Foundation for Cross-Connection Control and Hydraulic Research of the University of Southern California, recommending such an approval. To be approved, an assembly must be readily assessable for in-line testing and maintenance, and shall successfully complete a one-year field evaluation within the water system.
BACKFLOW PREVENTION ASSEMBLY; UNAPPROVED. An assembly that has been investigated by the town’s licensed tester and has been determined to be unacceptable for installation within the town’s water system. Consideration for disapproval and removal from the “approved list” shall be based upon, but not limited to, the following criteria:
(a) Due to poor performance standard;
(b) Lack of or unavailability of repair parts; and/or
(c) Poor service or response of assembly factory representative.
BACKFLOW PREVENTION ASSEMBLY; TYPE. An assembly used to prevent backflow into a consumer or public potable water system. The TYPE OF ASSEMBLY used should be based on the degree of hazard either existing or potential. The TYPES are:
(a) Double check valve assembly (DCVA);
(b) Double check detector assembly (fire system) (DCDA);
(c) Pressure vacuum breaker (PVB);
(d) Reduced pressure principle assembly (RP); and
(e) Reduced pressure principal detector assembly, fire system (RPDA).
BACKFLOW PREVENTION ASSEMBLY TESTER; CERTIFIED. A person who has proven his, her, or their competency to the satisfaction of the state’s Water Treatment Facility Operators Certification Board. Each person who is certified to make competent test, or to repair, overhaul, and make reports on backflow prevention assemblies shall be knowledgeable of applicable laws, rules, and regulations must hold a valid cross-connection control licenses from the state’s Water Treatment Facility Operators Certification Board.
BACKFLOW PREVENTION DEVICE-APPROVED. A device used for isolation purposes that has been shown to meet the design and performance standards of the American Society of Sanitary Engineers (ASSE) and the American Water Works Association (AWWA).
BACKPRESSURE BACKFLOW. Any elevation in the consumer water system, by pump elevation of piping, or steam and/or air pressure, above the supply pressure at the point of delivery which would cause, or tend to cause, a reversal of the normal direction of flow.
BACK-SIPHONAGE BACKFLOW. A reversal of the normal direction of flow in the pipeline due to a negative pressure (vacuum) being created in the supply line with the backflow source subject to atmospheric pressure.
CHECK VALVE-APPROVED. A check valve that is drip-tight in the normal direction of flow when the inlet pressure is at least on psi and the outlet pressure is zero. The check valve shall permit no leakage in a direction reverse to the normal flow. The closure element (e.g., clapper, poppet, or other design) shall be internal loaded to promote rapid and positive closure. An APPROVED CHECK VALVE is only one component of approved backflow prevention assembly, i.e., pressure vacuum breaker, double check valve assembly, double check detector assembly, reduced pressure principle assembly, or reduced pressure detector assembly.
CONSUMER. Any person, firm or corporation using or receiving water from the town’s water system.
CONSUMER’S POTABLE WATER SYSTEM. The portion of the privately owned potable water system lying between the point of delivery and point of use and/or isolation protection. This SYSTEM will include all pipes, conduits, tanks, receptacles, fixtures, equipment and appurtenances used to produce, convey, store, or use potable water.
CONSUMER’S WATER SYSTEM. Any water system commencing at the point of delivery and continuing throughout the consumer’s plumbing system, located on the consumer’s premises, whether supplied by public potable water or an auxiliary water supply. The SYSTEM or SYSTEMS may be either a potable water system or an industrial piping system.
CONTAINMENT. Preventing the impairment of the public potable water supply by installing an approved backflow prevention assembly at the service connection.
CONTAMINATION. Any impairment of the quality of the water which creates a potential or actual hazard to the public health through the introduction of hazardous or toxic substances or through the spread of disease by sewage, industrial fluids, or waste.
CROSS-CONNECTION. Any unprotected actual or potential connection or structural arrangement between a public or a consumer’s water system and any other source or system through which it is possible to introduce any contamination or pollution, other than the intended potable water with the system is supplied. Bypass arrangements, jumper connections, removable section, swivel or change-over devices and other temporary or permanent devices through which or because of which “backflow” can or may occur are considered to be CROSS-CONNECTION.
DOUBLE CHECK DETECTOR ASSEMBLY. A specially designed assembly composed of a line-size approved double check valve assembly. The meter shall register (in U.S. gallons) accurately for only very low rates of flow and shall show a registration for all rates of flow. This ASSEMBLY shall only be used to protect against a non-health hazard (i.e., pollutant).
HAZARD; DEGREE OF. Derived from the evaluation of condition within a system which can be classified as either a “pollutional” (non-health) or a “contamination” (health) hazard.
HAZARD; HEALTH. An actual or potential threat of contamination of a physical, hazardous, or toxic nature to the public or the consumer’s potable water system to such a degree or intensity that there would be a danger to health.
HAZARD; NON-HEALTH. An actual or potential threat to the quality or the potability of the public or the consumer’s potable water system but which would not constitute a health or a system hazard, as defined. The maximum degree or intensity of pollution to which the potable water system could be degraded under this definition would cause a nuisance or be aesthetically objectionable or could cause minor damage to the system or its appurtenances.
HEALTH AGENCY. The state’s Department of Environment and Natural Resources.
INDUSTRIAL FLUIDS. Any fluid or solution which may be chemically, biologically, or otherwise contaminated or polluted in a form or concentration such as would constitute a health or non-health hazard if introduced into a public or consumer potable water system. Such FLUIDS may include, but are not limited to: process waters; chemicals in fluid form; acids and alkalis, oils, gases, and the like.
INDUSTRIAL PIPING SYSTEM; CONSUMER’S. Any system used by the consumers for transmission of or to confine or store any fluid, solid or gaseous substance other than an approved water supply. Such a SYSTEM would include all pipes, conduits, tanks, receptacles, fixtures, equipment, and appurtenances use to produce convey or store substances which are or may be polluted or contaminated.
INDUSTRIAL USER. A consumer that is classified as a manufacturing industry by the North American Industrial Classification Standard (NAICS), Published by the U.S. Government Census Bureau. More than 50% of the consumer’s utility usage must be for its manufacturing purposes.
ISOLATION. The act of confining a localized hazard within a consumer’s water system by installing approved backflow prevention assemblies. The town may make recommendations, upon facility inspections, as to the usages of ISOLATION devices/assemblies, but does not assume or have responsibility whatsoever for such installations.
NONRESIDENTIAL. Includes:
(a) Office buildings, stores, shops, restaurants, service stations, and other NONRESIDENTIAL establishments;
(b) Hospitals, nursing homes, and institutional care facilities;
(c) Schools, dormitories, churches, and other similar NONRESIDENTIAL structures institutions; and
(d) Utility service(s) used in a multifamily residential structure (other than the individual residential units), laundry facilities, recreational facilities, and the like.
POINT OF DELIVERY. Generally at the property line of the consumer, adjacent to the public street where the town’s mains are located, or at a point on the consumer’s property where the meter is located. The consumer shall be responsible for all water piping and control devices located on the consumer’s side of the POINT OF DELIVERY.
POLLUTION. An impairment of the quality of the water to a degree which does not create an actual hazard to the public health but which does adversely and unreasonably affect the aesthetic qualities of such water for domestic use.
POTABLE WATER. Water from any source which has been investigated by the state’s Department of Environment and Natural Resources and which has been approved for human consumption.
PUBLIC POTABLE WATER SYSTEM. Any publicly or privately owned water system operated as a public utility, under a current state Department of Environment and Natural Resources permit to supply water for public consumption or use. This SYSTEM will include all sources, facilities, and appurtenances between the source and the point of delivery such as valves pumps, pipes, conduits, tanks, receptacles, fixtures, equipment, and appurtenances used to produce, convey, treat, or store potable water for public consumption or use.
REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTION ASSEMBLY. An assembly containing within its structure a minimum of two independently acting, approved check valves, together with a hydraulically operating, mechanically independent, pressure differential relief valve located between the check valves and at the same time below the first check valve. The first check valve reduces the supply pressure a predetermined amount so that during normal flow and at cessation of normal flow, the pressure between the checks is less than the supply pressure. In case of leakage of either check valve, the pressure differential relief valve, by discharge to atmosphere, shall operate to maintain the pressure between the checks less than the supply pressure. The unit shall include tightly closing shutoff valves located at each end of the assembly and each ASSEMBLY shall be fitted with properly located test cocks. The ASSEMBLY is designed to protect against a health hazard (i.e., contaminant).
REDUCED PRESSURE PRINCIPLE DETECTOR ASSEMBLY. A specially designed assembly composed of a line-sized approved reduced pressure principle backflow prevention assembly with a specific bypass water meter and a meter-sized approved reduced pressure principle backflow preventing assembly. The meter shall register, in U.S. gallons, accurately for only very low rates of flow and shall show a registration for all rates of flow. This ASSEMBLY shall be used to protect against a health hazard (i.e., contaminant).
RESIDENTIAL. An individual residence, defined as a single dwelling unit, which provides permanent and independent facilities complete for living, sleeping, eating, cooking, and sanitation. An individual residence may include a house, condominium, modular home, mobile home, or individually metered apartment.
SPLIT TAP. A line that is split prior to the point of delivery.
VACUUM BREAKER; ATMOSPHERIC TYPE. Also known as the NON-PRESSURE TYPE VACUUM BREAKER, means a device containing a float-check, a check seat, and an air inlet port. The flow of water into the body causes the float to close the air inlet port. When the flow of water stops, the float falls and forms a check valve against back siphonage and at the same time opens the air inlet port to allow air to enter and satisfy the vacuum. A shutoff valve immediately upstream may be an integral part of the device. An ATMOSPHERIC VACUUM BREAKER is designed to protect against a non-health hazard, isolation protection only, under a back siphonage condition only.
VACUUM BREAKER; PRESSURE TYPE. An assembly containing an independently operating internally loaded check valve and independently operating loaded air inlet valve located on the discharge side of the check valve. The assembly is to be equipped with properly located test cocks and tightly closing shutoff valves attached at each end of the assembly. The assembly is designed to protect against a health hazard (i.e., contaminant) under a back siphonage condition only.
WATER PURVEYOR. The owner or operator of a public potable water system, providing approved water supply to the public.
WATER SUPPLY; APPROVED. Any public potable water supply, with has been investigated and approved by the state’s Department of Environment and Natural Resources. The system must be operating under a valid public water supply system permit. In determining what constitutes an APPROVED WATER SUPPLY, the state’s Department of Environment and Natural Resources has reserved the final judgment as to its safety and potability.
WATER SUPPLY; AUXILIARY. Any water supply on or available to the premises other than the purveyor’s approved public potable water supply. These AUXILIARY WATERS may include water from another purveyor’s public potable water supply or any natural source such as well, spring river, stream, and the like, used water, or industrial fluids. These WATERS may be polluted, contaminated, or objectionable and constitute an unacceptable water source over which the water purveyor does not have sanitary control should be disconnected at once.
WATER SUPPLY; UNAPPROVED. A water supply which has not been approved for human consumption by the state’s Department of Environment and Natural Resources.
WATER; USED. Any water supplied by a water purveyor from a public water system to a consumer’s water system after it has passed through the point of delivery and is no longer under the control of the water purveyor.
(E) Right of entry.
(1) Authorized representatives from the town shall have the right to enter, upon presentation of proper credential and identification, any building structure, or premised during normal business hours, or at any time during the event of an emergency, to perform any duty imposed by this section. Those duties may include sampling and testing of water, or inspections and observations of all piping systems connected to the public water supply. Where a user has security measures in force which would require proper identification and clearance before entry into their premises, the owner shall make necessary arrangement with the security guards so that upon presentation of suitable identification, the town’s personnel will be permitted to enter, without delay, for the purposes of performing their specific responsibilities. Refusal to allow entry for these purposes may result in discontinuance of water service.
(2) On request, the consumer shall furnish to the town any pertinent information regarding the water supply system on such property where cross-connections and backflow, are deemed possible.
(F) Elimination of cross-connections, degree of hazard.
(1) When cross-connections are found to exist, the owner, his, her, or their agent, occupant, or tenant will be notified in writing to disconnect the cross-connection within the town limit established by the town. Degree of protection required and maximum time allowed for compliance will be based upon the potential degree of hazard to the public water supply system. The maximum time limits are as follows.
(a) Cross-connections with private well or other auxiliary water supplies shall have immediate disconnection.
(b) All facilities which pose a health hazard to the potable water system must have an air gap or containment assembly in the form of a reduced pressure principle backflow prevention assembly within 30 days unless an immediate health hazard exists then immediate disconnection is required or the water will be shut off.
(c) All industrial and nonresidential facilities not identified, as a health hazard shall be considered non-health hazard facilities. All non-health hazard facilities must install, as a minimum containment assembly, a double check valve assembly with 90 days unless otherwise approved the town’s Public Works Director.
(d) If, in the judgment of the town’s Public Works Director, an imminent health hazard exists, water service to the building or premises where a cross-connection exists may be terminated unless an air gap is immediately provided, or the cross-connection is immediately eliminated.
(e) Lawn irrigation systems are required to have a split tap or a designated lawn irrigation service tap the connection of a lawn irrigation system to the service line at any point after the point of delivery is prohibited.
(f) Based upon recommendation from the town, the consumer is responsible for installing sufficient internal isolation backflow prevention assemblies and/or methods (i.e., air gap, pressure vacuum breakers, reduced pressure principle backflow prevention assembly, double check valve assemblies).
(g) Waster mains served by the town but not maintained by the town should be considered cross-connections, with degree of hazard, as determined by the town.
(h) In the event that a town cross-connection control inspector does not have sufficient access to every portion of a private water system (e.g., classified research and development facilities; federal government property) to allow a complete evaluation of the degree of hazard associated with such private systems, an approved reduced pressure principle assembly shall be required as a minimum of protection.
(I) Consumer shall not modify their private water system in a manner that would affect the degree hazard of such system until the town has been provided with information showing that the appropriate backflow prevention assembly is installed. If such modifications or change is determined by the town to require the installation of a different backflow prevention assembly, the require backflow prevention assembly must be installed in accordance with provisions of this section prior to making the proposed modification or change.
(2) No person shall fill special use tanks or tanker containing pesticides, fertilizers, or other toxic chemicals or their residues from the public water system except at a location equipped with an air gap or an approved reduced pressure principle backflow prevention assembly properly installed on the public water supply.
(G) Installation of assemblies.
(1) All backflow prevention assemblies shall be installed in accordance with the specifications furnished by the town and/or the manufacture’s installation instructions and/or in the latest edition of the State Building Code, whichever is most restrictive.
(2) All new construction plans and specifications, when required by the State Building Code and the state’s Department of Environment and Natural Resources, shall be made available to the town for review and approval, and to determine the degree of hazard.
(3) Ownership, testing, and maintenance of the assembly shall be the responsibility of the consumer.
(4) All double check valve assemblies two and one-half inches and larger must be installed above ground unless otherwise approved in writing by the town’s Public Works Director.
(5) Reduced pressure principle assemblies must be installed in a horizontal position and in a location where no portion of the assembly can become submerged in any substance under any circumstances. Pit and/or below grade installations are prohibited unless otherwise approved in writing by the town’s Public Works Director and the vault is gravity drained. Double check valve assemblies may be installed in a vertical position with prior approval from the town’s Water Department provided the flow of water is in an upward direction.
(6) The installation of a backflow prevention assembly that is not approved must be replaced with an approved backflow prevention assembly.
(7) The installer is responsible to make sure a backflow prevention assembly is working properly upon installation and is required to furnish the following information to the town’s Water Department within ten days after a reduced pressure principle backflow preventer (RP), double check valve assembly (DCVA), pressure vacuum breaker (PVB), double check detector assembly (DCDA), or reduced pressure principle detector assembly (RDDA) is installed:
(a) Service address where assembly is located;
(b) Owner and address, if different from service address;
(c) Description of assembly’s location;
(d) Date of installation;
(e) Installer, include name, plumbing company represented, tester certification number and project permit number;
(f) Type of assembly, size of assembly;
(g) Manufacturer, model number, serial number, test results/report;
(h) Meter number;
(I) When it is not possible to interrupt water service, provisions shall be made for a parallel installation of backflow, preventer when the assembly is in need of testing, repair, or replacement;
(j) The consumer shall, upon notification, install the appropriate containment assembly not to exceed the following time frame:
1. Health hazard: 30 days, but may vary as determined by the ORC of the system; and
2. Non-health hazard: 90 days.
(k) Following installation, all reduced pressure principle backflow preventers (RP). Double check valve assemblies (DCDA), or reduced pressure principle detector assemblies (RPDA), or reduced pressure principle detector assemblies (RPDA), are required to be tested by a state certified backflow prevention assembly tester within ten days and annually thereafter.
(H) Testing and repair of assemblies.
(1) Testing of backflow prevention assemblies shall be made by a state-certified backflow prevention assembly tester at the consumer’s expense. Such test is to be conducted upon installation and annually thereafter or at a frequency established by town regulations. A record of all testing and repairs is to be retained by the consumer. Copies of the records must be provided to the town’s Water Department within ten business days after the completion of any testing and/or repair work.
(2) Any time that repairs to backflow prevention assemblies are deemed necessary, whether through annual or required testing or routine inspection by the owner or by the town these repairs must be completed within a specified time in accordance with the degree of hazard. In no case shall this time period exceed:
(a) Heath hazard facilities: 14 days; and
(b) Non-health hazard facilities: 21 days.
(3) All backflow prevention assemblies with test cocks are required to be tested annually or at frequency established by the town’s regulations. Testing requires a water shutdown usually lasting five to 20 minutes. For facilities that require an uninterrupted supply of water, and when it is not possible to provide water service from two separate meters, provisions shall be made for a parallel installation of backflow prevention assemblies.
(4) All certified backflow prevention assembly tester must obtain and employ backflow prevention assembly test equipment which has been evaluated and/or approved by the town. All testing equipment shall be registered with the town’s Water Department. All test equipment shall be checked for accuracy annually, at a minimum, calibrated, if necessary, a certified to the town as to such accuracy and calibration, employing a calibration method acceptable to the town.
(5) It shall be unlawful for any consumer or certified tester to submit any record to the town which is false or incomplete in any material respect. It shall be unlawful for any consumer or certified tester to fail to submit to the town any record which is required by this section. Such violations may result in enforcement actions.
(I) Facilities requiring protection.
(1) Approved backflow prevention assemblies shall be installed on the service line to any premises that the town has identified as having a potential for backflow.
(2) The following types of facilities or services have been identified by the town as having a potential for backflow of non-potable water into the public water supply system. Therefore, an approved backflow prevention assembly will be required on all such services according to the degree of hazard present. Other types of facilities or services not listed below may also be required to install approved backflow prevention assemblies if determined necessary by the town. As a minimum requirement, all nonresidential services will be required to install a double check valve assembly, unless otherwise listed in this section. The installation of an approved backflow prevention assembly or method other than those specified by this section can be allowed only by the approval of the town’s Public Works Director:
(a) DCVA: Double check valve assembly;
(b) RP: Reduced pressure principle assembly;
(c) DCDA: Double check detector assembly;
(d) RPDA: Reduced pressure detector assembly;
(e) AG: Air gap; and
(f) PVB: Pressure vacuum breaker.
Facilities/Services | Type of Backflow Prevention Assembly |
Facilities/Services | Type of Backflow Prevention Assembly |
Aircraft and missile plants | RP |
Automotive plants | RP |
Automotive services stations, dealerships, and the like: | |
Health hazard | RP |
No health hazard | DCVA |
Auxiliary water systems: | |
Approved public/private water supply | DCVA |
Unapproved public/private water supply | AG |
Used water and industrial fluids | RP |
Bakeries: | |
Health hazard | RP |
No health hazard | CVA |
Beauty shops/barber shops: | |
Health hazard | RP |
No health hazard | DCVA |
Beverage bottling plants | RPZ |
Breweries | RP |
Buildings: hotels, apartment houses, public and private buildings, or other structures having unprotected cross-connections: | |
(Over five stories) All | RP |
(Under five stories) Health hazard | RP |
(Under five stories) No health hazard | DCVA |
Canneries, packing houses, and rendering plants | RP |
Chemical plants (manufacturing, processing, compounding or treatment | RP |
Chemically contaminated water systems | RP |
Commercial car wash facilities | RPZ |
Commercial greenhouses | RP |
Commercial sales establishment (department stores, malls, and the like): | |
Health hazards | RP |
No health hazards | DCVA |
Concrete/asphalt plants | RP |
Dairies and cold storage plants | RP |
Dye works | RP |
Film laboratories | RPZ |
Fire systems: | |
Systems three-fourths to two inch: | |
Health hazard: (booster pumps, foam, antifreeze solutions, and the like) | RPDA |
No health hazards | DCVA |
Systems two and one-half inches to ten inches or larger: | |
Health hazard (booster pups, foam, antifreeze solution, and the like) | RPDA |
No health hazard | DCVA |
Hospitals, medical buildings, sanitariums, morgues, mortuaries, autopsy facilities, nursing and convalescent homes, medical clinics, and veterinary hospitals | RP |
Industrial facilities: | |
Health hazard | RP |
No health hazard | DCVA |
Laundries: | |
Health hazard (i.e.; dry cleaners) | RP |
No health hazard | RPZ |
Lawn irrigation systems (split taps) | RP |
Metal manufacturing, clearing, processing, and fabricating plants | RP |
Mobile home parks: | |
Health hazard | RP |
No health hazard | DCVA |
Oil and gas production, storage, or transmission properties | RP |
Paper and paper products plants | RP |
Pest control (exterminating and fumigating) | RP |
Plating plants | RP |
Power plants | RP |
Radioactive materials or substances plants or facilities handling | RP |
Restaurants: | |
Health hazard | RP |
No health hazard | DCVA |
Restricted, classified or other closed facilities | RP |
Rubber plants (natural or synthetic) | RP |
Sand and gravel plants | RP |
Schools and colleges | RP |
Sewage and storm drain facilities | RP |
Swimming pools | RP |
Waterfront facilities and industries | RP |
(3) All assemblies and installations shall be subject to inspection an approval by the town.
(J) Connection with unapproved sources of supply.
(1) No personal shall connect or cause to be connected any supply of water not approved by the state’s Department of Environmental and Natural Resources to the water system supplied by the town. Any such connection allowed by the town must be in conformance with the backflow prevention requirements of this section.
(2) In the event of contamination of pollution of a public or consumer potable water system the consumer shall notify the town immediately in order that appropriate measures, may be taken to overcome and eliminate the contamination or pollution.
(K) Fire protection systems.
(1) All connection for fire protection systems connected with the public water system, two inches and smaller, shall be protected with an approved double check valve assembly as a minimum requirement. All fire systems using toxic additives or booster pumps shall be protected by and approved refaced pressure principal assembly at the point of delivery.
(2) All connection for fire protection systems connected with the public water systems greater than two inches shall be protected with an approved double check detector assembly as a minimum requirement. All fire protection system using toxic or hazardous additives or booster pumps shall be protected by an approved reduced pressure principle detector assembly at the point of delivery.
(3) All backflow prevention assemblies installed on fire lines shall be installed within 100 feet of the consumer’s tap to the town’s water main serving the facility unless otherwise approved by the town.
(4) All existing backflow prevention assemblies two and one-half inches and larger installed on fire protection systems that were installed on fire protection system that were initially approved by the town shall be allowed to remain on the premises, as long as they are properly maintained, tested, and repaired as required by this section. If however, the existing assembly must be replaced or it can no longer be repaired, or in the event of proved water theft through an unmetered source, the consumer shall be required to install an approved double check detector assembly or reduced pressure principle detector assembly.
(Prior Code, § 15-2) (Ord. passed 7-22-1986) Penalty, see § 50.99