[Amended 1-24-2008]
No owner shall maintain upon his/her premises a cross-connection between the public water distribution system or the potable water supplied thereby and any auxiliary water source, unless the installation has been approved by the Department of Public Utilities in accordance with procedures described by the State of Connecticut and the Water Division.
As used in this article, the following terms shall have the meanings indicated:
AIR GAP
The obstructed vertical separation through the free atmosphere between the lowest opening from any pipe or faucet supplying potable water to a tank, pumping fixture or other device and the flood level rim of the receptacle. Such separation shall be at least one inch.
AIR-VENT-TYPE BACKFLOW PREVENTER
A device containing two independently operating check valves separated by a chamber which can automatically vent to the atmosphere if backflow occurs.
APPROVED BACKFLOW PREVENTER or APPROVED BACKFLOW PREVENTION DEVICE
Any device, method, or type of construction intended to prevent backflow into potable water systems which has been accepted by the State of Connecticut Department of Public Health and the Water Division.
ATMOSPHERIC VACUUM BREAKER
A mechanical device not used under continued pressure which automatically vents air from a pipeline to prevent backsiphonage.
AUXILIARY WATER SOURCE
A water supply which is not approved for potable use, such as a pond, river, open storage tank or swimming pool; potable water which has become nonpotable by the addition of chemicals or from contamination while the water is being stored or held in reserve; private or public well supplies; or any other water supply system not accepted by the State of Connecticut or the Water Division.
BACKFLOW
A reversal of flow from the direction which is normal or intended or flow toward rather than away from the source of water.
BACKFLOW PREVENTION DEVICE
A device that is installed and used to prevent backflow of nonpotable water into potable water.
BACK PRESSURE
Pressure created by mechanical or other means that creates resistance which, if such pressure rises to a particular level, may cause water or other liquids or substances to flow or move in a direction opposite to that which is intended.
BACKSIPHONAGE
A form of backflow caused by reduced or negative pressure within the water system.
BUILDING CONTAINMENT
The placement at premises or facilities of an approved reduced-pressure backflow preventer or an air gap separation on the downstream side of the Water Division's water meter and bypass assembly and upstream of any cross-connection or service fixture.
CERTIFIED BACKFLOW PREVENTION DEVICE TESTER
An individual who is qualified to test backflow prevention devices and has attained Connecticut State Department of Public Health certification.
COMPLIANCE PLAN
A document rendered by the owner and approved by the Water Division outlining corrective action to be taken by the owner to comply with this article.
CONTAMINATION
Any physical, chemical, biological or radiological substance or matter in water above the allowable limits established by the State of Connecticut Public Health Code and other applicable law.
CROSS-CONNECTION
A. 
An actual or potential connection between a public water system and any other source or system through which it is possible to introduce into the water system any contamination or polluting agent.
B. 
Any actual or potential connection between a potable water system and any other source or systems through which it is possible to introduce into the potable water system any contaminating or polluting agent.
CROSS-CONNECTION CONTROL PROGRAM
A program implemented by the District to prevent the contamination of the potable water it supplies in compliance with the Federal Safe Drinking Water Act, Public Law 93-523, and the State of Connecticut Public Health Code, Section 19-13-b37.
CROSS-CONNECTION TECHNICIAN
An individual employed or retained by the Water Division to inspect premises and/or facilities for cross-connections who has been certified by the State of Connecticut as backflow prevention device tester and cross-connection survey inspector.
CUSTOMER
The owner, tenant or other person in charge of any premises supplied with water by the Water Division.
DEPARTMENT OF PUBLIC HEALTH
The State of Connecticut Department of Public Health, its agents and representatives.
DOUBLE CHECK VALVE ASSEMBLY
A. 
A backflow prevention device which contains two independently acting check valves located between two tightly closing shutoff valves and fitted with properly located test cocks.
B. 
Fire sprinklers (only). The owner shall install a double check valve assembly (DCVA) on public water supply lines to fire sprinkler systems with siamese connections unless chemicals are added to the fire sprinkler system. Where chemicals are added to such systems, the owner shall install a RPD pursuant to Section 19-13-b38a(c)(2)(A) of the Regulations of Connecticut State Agencies. An owner may install an RPD instead of a DCVA on public water supply lines to fire sprinkler systems with siamese connections. Any reduced-pressure-principle RPD's or double check valve assemblies installed on a fire sprinkler system shall be equipped with a metered bypass assembly. Chemicals added to a fire line shall mean foam or antifreeze.
DOWNSTREAM
The intended direction of flow of fluid within a pipe or a location on or within a pipe in relation to such intended direction of flow.
EXISTING FIRE SPRINKLER SYSTEM
A sprinkler system installed prior to October 1, 1992, and not having undergone, after July 1, 1993, substantial renovations, alterations or additions representing more than 50% of the replacement cost of the existing system at the time of renovation, alteration or addition.
FIRE SPRINKLER SYSTEM
An integrated system of underground and overhead piping designed to provide fire protection for a building or structure.
HEALTH HAZARD
An actual or potential threat of contamination to the potable water in the Water Division's public water distribution system or within the potable water system of any premises served by the Water Division.
IN-PLANT PROTECTION/ISOLATION
The location of an approved backflow prevention device in a manner which provides simultaneous protection of the Water Division's public water system and the potable water system within premises served by the Water Division.
INSPECTION
A detailed survey of plumbing on or in premises and/or facilities to locate or ascertain the location of testable backflow prevention devices and existing and potential cross-connections, including any reinspections.
IRRIGATION SYSTEM
An integrated system of piping underground and sprinkler heads designed to provide irrigation to surrounding vegetation. Any backflow preventers or sewer subtraction meters shall be installed upstream of a building's main line water meter.
NEW FIRE SPRINKLER SYSTEM
A sprinkler system installed after October 1, 1992, or a sprinkler which has undergone, after July 1, 1993, substantial renovations, alterations, or additions representing more than 50% of the replacement cost of the existing system at the time of renovations, alteration or addition.
NOTIFICATION OF VIOLATION
A written report which is sent to the owner by the Water Division delineating cross-connection violations found on the owner's premises and direction for corrective action.
OWNER
Any person holding fee title to or having a leasehold of premises and/or facilities served by the Water Division's public water distribution system and his/her agent or representative.
PLUMBING or PLUMBING SYSTEM
All piping and appurtenances thereof used to convey water within the premises to the last tap or outlet.
POLLUTANT
An aesthetically objectionable and/or degrading agent or substance which causes pollution but which, if ingested, would tend not to be life threatening.
POLLUTION
A condition in which a pollutant enters or poses the threat of entering the Water Division's public water distribution system or the plumbing systems within premises and/or facilities served with potable water by the Water Division.
POTABLE WATER
Water from any source which has been approved by the State of Connecticut Department of Public Health for human consumption.[1]
PREMISES
A piece or parcel of land and such of the structures, buildings and facilities existing thereon which are connected to the public water distribution system.
PRESSURE VACUUM BREAKER
An approved backflow prevention device which contains a spring-loaded check valve and a spring-loaded atmospheric vent which opens when the pressure approaches atmospheric. Such a device shall include two tightly closing shutoff valves located at each end of the device and two properly located test ports for testing the device.
PUBLIC HEALTH CODE
The Public Health Code of the State of Connecticut, as the same may be amended from time to time.
PUMPER (SIAMESE) CONNECTION
An inlet equipped with one or more couplings to which a fire hose can be attached and through which water can be delivered to a sprinkler system by means of a pump. Fire pump test header connections shall be considered the same as pumper (siamese) connections.
REDUCED-PRESSURE BACKFLOW PREVENTER (RPD)
A device containing within its structure a minimum of two independently acting approved check valves, together with an automatically operating pressure differential relief valve located between the two check valves.
SYSTEM HAZARD
Causing damage or posing the threat of damage to the physical properties of the public water supply or public water distribution system.
TESTABLE BACKFLOW PREVENTION DEVICE or TESTABLE DEVICE
A backflow prevention device that requires annual testing by a certified backflow prevention device tester. Testable backflow devices include reduced-pressure-principle type (RPD), double check valve assembly (DCVA) (fire sprinklers only), and pressure vacuum breaker (PVB).
TEST AND MAINTENANCE REPORT FORM
A report form, designated by the State of Connecticut, which is to be used by certified backflow prevention device testers to record pertinent testing information.
UPSTREAM
The direction of flow of fluid within a pipe which is opposite of that which is intended or a location within or on a pipe in relation to the intended direction of flow.
WATER DIVISION
The owner and/or operator of the public water system.
[1]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II).
The purpose of this article is to:
A. 
Protect the public potable water supply of the City from the possibility of contamination or pollution by isolating within the customer's internal distribution system(s) such contaminants or pollutants which could backflow into the public water system;
B. 
Promote the elimination or control of existing cross-connections, actual or potential, between the consumer's in-plant potable water system(s) and nonpotable water system(s), plumbing fixtures and industrial piping systems; and
C. 
Provide for the maintenance of a continuing program of cross-connection control which will systematically and effectively prevent the contamination or pollution of all potable water systems. This program is in compliance with the State of Connecticut Public Health Code.
A. 
Water Division. Under the cross-connection control regulations or rules it is the responsibility of the Water Division to prevent water from unapproved sources, or any other substance, from entering the public water supply system. The Water Division's cross-connection inspector shall make competent inspections of all premises necessary to comply with all state regulations. The Water Division's cross-connection inspector (also, the backflow prevention device tester) is responsible for testing the backflow devices as required by State of Connecticut Department of Public Health.[1]
[1]
Editor's Note: Amended at time of adoption of Code (see Ch. 1, General Provisions, Art. II).
B. 
Owner (consumer). The owner (consumer) has the primary responsibility of preventing pollutants from entering his potable water system and the public potable water system. All recommendations made by the Water Division or its representative shall be complied with according to the Division's rules and regulations. All approved backflow prevention assemblies will be installed at the owner's expense, and the owner will be responsible for maintenance of these devices. Failure to comply with Water Division recommendations could result in termination of water service.
A. 
All reduced-pressure-principal backflow preventers (RPD's) and pressure vacuum breakers (PVB's) must be tested annually as required by State of Connecticut Public Health Code.
B. 
All new devices (installations) must be inspected.
C. 
Fees are charged as follows:
(1) 
First device: $50.
(2) 
Additional devices: $30.
(3) 
Retest: $10.
D. 
It shall be unlawful to install any water service to a premises served by the Meriden water distribution system and connect the plumbing to any device, fixture, tank, swimming pool, hose bib, toxic substance or other matter that would be harmful to public health.
For any existing cross-connections prior to the date of the establishment of this article, the property owner, after being notified in writing of the existence of a cross-connection or cross-connections on his premises, shall, within 30 days, install an approved backflow device or devices as may be required by the Meriden Water Division. All devices shall be approved by the Water Division prior to installation. All installations must be inspected and approved by the Water Division.