[Amended 2-2-1993 by L.L. No. 1-1993]
A.
The purpose of this article is to protect the Department's
public water supply from contamination or pollution by isolating,
within the consumers internal distribution system, such contaminants
or pollutants which could backflow or backsiphon into the public water
system.
B.
The Village of Ossining's cross-connection control
program will be accomplished by plumbing control and containment by
having the consumer install an acceptable backflow prevention device
in every water service line to a facility for which a potential hazard
exists.
As used in this article, the following terms
shall have the meanings indicated:
An acceptable air gap, reduced-pressure zone device or double-check
valve assembly as used to contain potential contamination within a
facility.
Those devices or assemblies found to be acceptable for containment
control in New York State in accordance with the Department of Health
requirements.
One in which substances are present which, if introduced
into the public water supply system, could be a nuisance to other
water consumers, but would not adversely effect human health. Typical
examples of such substances include, but are not limited to, food-grade
dyes, hot water and stagnant water from fire lines in which no chemical
additives are used.
The unobstructed vertical distance through the free atmosphere
between the lowest opening from any pipe or faucet supplying water
to a tank, plumbing fixture or other device and the flood level rim
of the receptacle.
A flow condition, induced by a differential in pressure,
that causes the flow of water or other liquids and/or gases into the
distribution pipes of a public water supply from any source other
than its intended source.
The resulting backflow of contamination, polluted or otherwise
unacceptable quality water from a plumbing fixture or other consumer
sources(s) into a public water supply system due to a greater pressure
within the consumer's water system.
The backflow of contaminated or polluted water or water of
questionable quality from a plumbing fixture or other consumer source(s)
into a public water supply system main due to a temporary negative
or subatmospheric pressure within the public water supply system.
The piping used to convey water supplied by a public water
supply system throughout a consumer's facility.
Cross-connection control which isolates the consumer's entire
facility from the public water system so as to provide the protection
necessary to prevent contamination of the public water supply in the
event of backflow from the consumer's facility.
The presence in water of a substance that tends to degrade
its quality.
A physical connection through which a water supply could
be contaminated.
Whether a facility is rated as hazardous, aesthetically objectionable
or nonhazardous.
Two single independently acting check valves, including tightly
closing shutoff valves located at each end of the assembly and suitable
connections for testing the watertightness of each check valve.
Any residential, commercial or industrial building or structure,
any irrigation system or any fire-fighting piping and hydrants which
are connected to the Department system.
One in which substances may be present which, if introduced
into the public water system, would or may endanger or have an adverse
effect on the health of other water consumers, including, but not
limited to, laboratories, sewage treatment plants, chemical plants,
hospitals and mortuaries.
A joining of two independently operated public water supply
distribution systems.
The Westchester County Health Department Engineer having
jurisdiction.
One which does not require the installation of an acceptable
backflow prevention device.
The person or persons owning the premises connected with
or being connected with the water system of the Department.
Prevention and elimination of cross-connections within the
consumer's water system by enforcement of building or plumbing codes.
A minimum of two independently acting check valves, together
with an automatically operated pressure differential relief valve
located between the two check valves.
The Village Board of Trustees for the Village of Ossining.
A.
Specifics.
(1)
Water Department responsibility. The Superintendent
is responsible to ensure that water of questionable or unsuitable
quality does not enter the public water supply system. The Superintendent
shall determine the degree of hazard that a consumer facility poses
to the Department water system and shall require that a suitable backflow
prevention containment device be installed, tested, operated and maintained
and that adequate records of maintenance and repair be kept.
(2)
Owner responsibility. The owner or user of water from
the system of the Department shall be responsible for the elimination
or protection of all cross-connections on his or her premises.
B.
If required by regulations adopted pursuant to this
section, or by written order of the Superintendent, the owner shall
at his or her expense, install, maintain and test any and all backflow
prevention devices on his or her premises.
C.
The owner shall install backflow prevention in a manner
approved by the Superintendent and shall periodically test all backflow
prevention devices as provided for in the Department administrative
procedures and technical standards. Testing shall be conducted by
certified backflow prevention device testers.
A.
Administrative procedures and technical standards
shall be adopted by the Village Board of Trustees pursuant to resolution
after public hearing. The Superintendent will operate a cross-connection
control program, including the keeping of necessary records to fulfill
the requirements of this article.
B.
The Department, through its properly authorized agents
and assistants, may request and, upon the consent of the customer,
may enter the premises of any customer who is supplied with water
to examine the pipes and fixtures, backflow prevention devices, the
quantity of water used, the manner and nature of water used, types
of stored materials, supplies and products, processes, private wells,
swimming pools, underground lawn irrigation systems, fire sprinkler
systems, solar heating systems or any other products or processes
which may endanger the quality of the Department's water supply. Alternatively,
the customer may have such an inspection performed by a professional
engineer (or architect) licensed and registered in New York State
who would certify the results of the inspection to the Department.
C.
Water service may be discontinued by the Department
for refusal to grant access for the aforementioned purposes, where
the Department has a reasonable basis to believe, from the nature
or use of such premises, that a determination should be made as to
the existence, nonexistence or degree of contamination hazard or where
the activities there are comparable or similar to those of typical
establishments listed in the State Department of Health guidelines
as requiring protective devices. However, the customer will not be
subject to discontinuance if, upon the refusal to provide access,
he or she provides a certification by a professional engineer (or
architect) licensed and registered in New York State that a backflow
prevention device that meets the requirements of the Department and
the State Department of Health has been installed; or, in the alternative,
the customer provides a certification by a professional engineer (or
architect) licensed and registered in New York State that such device
is unnecessary at the premises. Such certification must be to the
satisfaction of the Superintendent.
D.
Upon evaluation of the inspection reports, the Superintendent
will inform the owner by letter of any corrective action deemed necessary,
the method of achieving the correction, and the time allowed for the
correction to be made. Such irregularities disclosed shall be cause
for discontinuing service unless corrected by the consumer within
90 days after written notice is given by the Superintendent, however,
if the Superintendent determines at any time that a serious threat
to the public health exists, the water service will be terminated
immediately and notice given to the owner as soon as reasonably practical.
A.
All applications for installation of backflow preventer
devices shall be in compliance with Westchester County Health Department
requirements and endorsed by the Superintendent.
B.
Application processing and inspection fees are hereby
established and shall be as listed in the administrative procedures
and technical standards.
[Amended 8-3-1999 by L.L. No. 2-1999; 9-16-2008 by L.L. No.
6-2008]
