[HISTORY: Adopted by the Town Board of the Town of Bath as indicated in article histories. Amendments noted where applicable.]
Flood damage prevention — See Ch. 65.
Article I Control of Backflow and Cross-Connections
[Adopted 2-9-2009 by L.L. No. 2-2009]
The purpose of this article is to safeguard potable water supplies from potential contamination by preventing backflow from a water user's system into the public water system.
The intent of this article is to recognize that there are varying degrees of hazard and to apply the principal that the degrees of protection should be commensurate with the degrees of hazard. Further, it is the intent of the Town of Bath, New York, to comply with the requirements of the New York State Sanitary Code, Part 5, Section 5-1.31, which said section mandates the requirement that the suppliers of water protect their water system in accordance with mandated requirements as set forth in the Cross-Connection Control Manual published by the New York State Department of Health (NYSDOH), and to that extent, the terms, conditions and provisions of the New York State Sanitary Code, Part 5, Section 5-1.31, and the Cross-Connection Control Manual are incorporated in this article by reference as if more fully stated.
As used in this article, the following terms shall have the meanings indicated:
- AIR-GAP SEPARATION
- A physical break between a supply pipe and a receiving vessel. The air gap shall be at least double the diameter of the supply pipe, measured vertically above the top rim of the vessel, and in no case less than one inch.
- APPROVED CHECK VALVE
- A check valve that seats readily and completely. It must be carefully machined to have free-moving parts and assured water tightness. The face of the closure element and valve seat must be bronze, composition, or other noncorrodible material which will seat tightly under all prevailing conditions of field use. Pins and bushing shall be of bronze and other noncorrodible, nonsticking material and shall be machined for easy, dependable operation. The closure element shall be internally weighted or otherwise internally equipped to promote rapid and positive closure in all sizes where this feature is obtainable.
- APPROVED DOUBLE-CHECK-VALVE ASSEMBLY
- Two single, independently acting check valves, including tightly closing shutoff valves located at each end of the assembly and suitable test connections. This device must be approved as a complete assembly by Bath Electric, Gas and Water Systems and the New York State Department of Health.
- APPROVED REDUCED-PRESSURE-ZONE DEVICE
- A minimum of two independently acting check valves together with an automatically operated pressure differential relief valve located between the two check valves. In case of leakage of either check valve, the differential relief valve, by discharging to the atmosphere, shall operate to maintain the pressure between the checks at less than the supply pressure. The unit must include lightly closing shutoff valves, located at each end of the device, and each device shall be fitted with properly located test cocks. This device must be approved as a complete assembly by Bath Electric, Gas and Water Systems and the New York State Department of Health.
- APPROVED WATER SUPPLY
- Any water supply approved by the New York State Department of Health.
- AUXILIARY SUPPLY
- Any water supply on or available to the premises other than the approved public water supply.
- CERTIFIED BACKFLOW-PREVENTION DEVICE TESTER
- An individual who has successfully completed a course approved by the New York State Department of Health in the testing of backflow-prevention devices and has been issued a certificate by the New York State Department of Health.
- Any unprotected connection between any part of a water system used or intended to be used as a supply of water for drinking purposes and a source or system containing water or substances that are not or cannot be approved as equally safe, wholesome and potable for human consumption.
- VACUUM BREAKER, PRESSURE-TYPE AND NONPRESSURE-TYPE
- A vacuum breaker which can only be used for internal plumbing control and is therefore not acceptable as a containment device.
- WATER SUPERVISOR
- The consumer or a person on the premises charged with the responsibility of complete knowledge and understanding of the water supply piping within the premises and for maintaining the consumer's water system free from cross-connections and other sanitary defects, as required by this article and all other required regulations and laws.
The Director of Municipal Utilities for the Village of Bath or his/her properly trained representative shall be responsible for the protection of the public potable water distribution system from contamination or pollution due to the backflow of contaminants or pollutants through the water service connection. If, in the judgment of the Director of Municipal Utilities, an approved backflow-prevention assembly is required (at the customer's water service connection or within the customer's private water system) for the safety of the water system, the Director of Municipal Utilities or his/her properly trained representative shall give notice, in writing, to said customer to install such an approved backflow-prevention assembly(s) at specific location(s) on his/her premises.
Where protection is required. The water system shall be required to maintain a degree of protection commensurate with the degree of hazard regardless of whether the hazard is immediate or potential. To that extent, the Cross-Connection Control Manual published by NYSDOH shall be used as a guide to determine where protection is required. It shall be the responsibility of the water user to provide and maintain such required protection devices, and such devices shall be of a type acceptable to the New York State Department of Health.
Type of protection. The protective device required shall depend on the degree of hazard as tabulated below:
At the service connection to any premises where there is an auxiliary water supply handled in a separate piping system with no known cross-connection, the public water supply shall be protected by an approved reduced-pressure-zone device.
At the service connection to any premises on which a substance that would be objectionable (but not necessarily hazardous to health if introduced into the public water supply) is handled so as to constitute a cross-connection, the public water supply shall be protected by an approved double-check-valve assembly.
At the service connection to any premises on which a substance of unusual toxic concentration or danger to health is or may be handled, but not under pressure, the public water supply shall be protected by an air-gap separation or an approved reduced-pressure-zone backflow-prevention device. If an air gap is installed, it shall be located as close as practical to the water meter, and all piping between the water meter and receiving tanks shall be entirely visible. A reduced-pressure-zone device, when installed, shall be located as close as possible to the property line.
At the service connection to any premises on which any material dangerous to health, or toxic substance in toxic concentration, is or may be handled under pressure, the public water supply shall be protected by an air-gap separation. The air gap shall be located as close as practical to the water meter, and any piping between the water meter and receiving tanks shall be entirely visible. If these conditions cannot reasonably be met, the public water supply shall be protected with an approved reduced-pressure zone backflow-prevention device.
At the service connection to any sewage treatment plant or sewage pumping station, the public water supply shall be protected by an air-gap separation. The air gap shall be located as close as practical to the water meter, and all piping between the water meter and receiving tanks shall be entirely visible. If these conditions cannot be reasonably met, the public water supply shall be protected by an approved reduced-pressure-zone backflow-prevention device.
It shall be the duty of the water user on any premises on account of which backflow-protective devices are installed to have competent inspections made at least once a year, or more often in instances where successive inspections indicate repeated failure. Devices shall be repaired, overhauled or replaced at the expense of the water user whenever they are found to be defective. These tests shall be performed by a qualified backflow-prevention device tester, and all test results will be provided to the water purveyor within 72 hours after the test is made. Records of such tests, repairs and overhaul shall also be kept and made available to the water purveyor and the local Health Department upon request.
No water service connection to any premises shall be installed or maintained by the water user unless the water supply is protected as required by this article and such other applicable local, state and federal laws, rules and regulations.
If any facility served by a water system denies a Water Department person access to the premises for the purposes of determining if protection to the public water system is necessary, then the maximum protection condition shall be imposed, with the requirement that the number of devices shall equal the number of service lines.
The following penalties shall be applicable for a violation of this article:
Failure to install the appropriate backflow-prevention device within the prescribed time frame after first notice: $250.
Failure to install the appropriate backflow-prevention device within prescribed time frames after second notice: termination of service.
Failure to at least annually test the backflow-prevention device: $200 and/or termination of water service.
Failure to replace or repair a backflow-prevention device as required: $1,000 and/or termination of water service.