[R.O. 2007 § 705.290; CC 1979 § 27-8; Ord. No. 573 § 17, 3-13-1980; Ord.
No. 1567 § 2, 9-28-1989; Ord. No. 5001 § 1, 5-8-2008; Ord.
No. 6140 § 1, 5-22-2014]
The following definitions shall apply
in the interpretation and enforcement of this Article:
Temporary or permanent removal of any water service or cross
connection which could cause an actual or potential backflow hazard
to the public potable water supply.
[Ord. No. 7377, 10-22-2020]
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 overflow level
rim of the receptacle, and shall be at least double the diameter of
the supply pipe measured vertically above the flood level rim of the
vessel, but in no case less than one (1) inch.
Any water source or system, other than the public water supply,
that may be available in the building or premises.
The flow other than the intended direction of flow, of any
foreign liquids, gases, or substance into the public water system.
Any device, method, or type of construction intended to prevent
backflow into the public water system.
Protection of the public water supply by installing a cross-connection
control device or air-gap separation on the main service line to a
facility.
An impairment of the quality of the water by sewage, process
fluids, or other wastes to a degree which could create an actual hazard
to the public health through poisoning or through spread of disease
by exposure.
Any physical link between a potable water supply and any
other substance, fluid, or source, which makes possible contamination
of the public water supply due to the reversal of flow of the water
in the piping or public water system.
The owner or person in control of any premises supplied by
or in any manner connected to the public water system.
The Director of Engineering or such person or persons designated
by the City Administrator and having specific authority to administer
the regulations within this Chapter.
[Ord. No. 7377, 10-22-2020]
An evaluation of the potential risk to public health and
the adverse affect of the hazard upon the public water system:
[Ord. No. 7377, 10-22-2020]
Hazard, health: Any condition, device,
or practice in the public water system and its operation which could
create or may create a danger to the health and well-being of the
water customer.
Hazard, plumbing: A plumbing type,
cross-connection in a customer's potable water system that has not
been properly protected by a vacuum breaker, air-gap separation or
backflow prevention device.
Hazard, pollutional (Class II): An
actual or potential threat to the physical properties of the public
water system or to the potability of the public water system or the
customer's potable water system but which would constitute a nuisance
or be aesthetically objectionable or could cause damage to the system
or its appurtenances, but would not be dangerous to health.
Hazard, system (Class I): An actual
or potential threat of severe damage to the physical properties of
the public water system or the customer's potable water system or
of a pollution or contamination which would have protracted effect
on the quality of the potable water in the system.
Any system containing a fluid or solution which may be chemically,
biologically, or otherwise contaminated or polluted in a form or concentration
such as would constitute a health, system, pollutional, or plumbing
hazard if introduced into the public water supply.
Protection of a facility service line by installing a cross-connection
control device or air-gap separation on an individual fixture, appurtenance,
or system.
The presence of any foreign substance (organic, inorganic,
or biological) in water which tends to degrade its quality so as to
constitute a hazard or impair the usefulness of the water to a degree
which does not create an actual hazard to the public health but which
does adversely and unreasonably affect such waters for domestic use.
The City's water system supplying water to the general public
which is satisfactory for drinking, culinary, and domestic purposes
and meets the requirements of the Missouri Department of Natural Resources.
The terminal end of a service line from the public water
system. If a meter is installed at the end of the service, then the
service connection means the downstream end of the meter.
[R.O. 2007 § 705.300; CC 1979 § 27-8.1; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 2, 5-22-2014]
A.
No water service connection shall be installed
or maintained to any premises where actual or potential cross-connections
to the public water system or customer's water system may exist unless
such actual or potential cross-connections are abated or controlled
to the satisfaction of the Director or his/her designee and as required
by the laws and regulations of the Missouri Department of Natural
Resources.
B.
No connection shall be installed or maintained
whereby an auxiliary water supply may enter the public water system
or customer's water system unless such auxiliary water supply and
the method of connection and use of such supply shall have been approved
by the Director or his/her designee and the Missouri Department of
Natural Resources.
C.
No water service connection shall be installed
or maintained to any premises in which the plumbing system, facilities
and fixtures have not been constructed and installed using acceptable
plumbing practices considered by the City as necessary for the protection
of health and safety.
[R.O. 2007 § 705.310; CC 1979 § 27-8.2; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 3, 5-22-2014]
A.
The customer's premises shall be open at
all reasonable times to the Director or his/her designee or an authorized
representative for the performance of surveys and investigations of
water use practices within the customer's premises to determine whether
there are actual or potential cross-connections to the customer's
water system through which contaminants or pollutants could backflow
into the public water system.
B.
On request by the Director or his/her designee
or an authorized representative, the customer shall furnish information
on water use practices within the customer's premises.
C.
It shall be the responsibility of the water
customer to conduct periodic surveys of water use practice on the
customer's premises to determine whether there are actual or potential
cross-connections to the customer's water system through which contaminants
or pollutants could backflow into the customer's water system or the
public water system.
[R.O. 2007 § 705.320; CC 1979 § 27-8.3; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 7377, 10-22-2020]
A.
The type of protection required by this
Article shall depend upon the degree of hazard which exists, as follows:
1.
A Missouri Department of Natural
Resources approved air-gap separation shall be installed where the
public water system may be contaminated with substances that could
cause a health hazard.
2.
A Missouri Department of Natural
Resources approved air-gap separation or reduced pressure principle
backflow prevention device shall be installed where the public water
system may be contaminated with a substance that could cause a Class
I system or health hazard.
3.
A Missouri Department of Natural
Resources approved air-gap separation, reduced pressure principle
backflow prevention device or double-check valve assembly shall be
installed where the public water system may be polluted with substances
that could cause a Class II pollutional hazard not dangerous to health.
[R.O. 2007 § 705.330; CC 1979 § 27-8.4; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 4, 5-22-2014]
A.
An approved backflow prevention device
shall be installed on each service line to a customer's water system
servicing premises where, in the judgment of the Director or his/her
designee or the Missouri Department of Natural Resources, actual or
potential hazards to the public water system exist. The type and degree
of protection required shall be commensurate with the degree of hazard.
B.
An approved air-gap separation or reduced
pressure principle backflow prevention device shall be installed at
the service connection or within any premises where, in the judgment
of the Director or his/her designee or the Missouri Department of
Natural Resources, the nature and extent of activities on the premises,
or the materials used in connection with the activities, or material
stored on the premises, would present an immediate and dangerous hazard
to health should a cross-connection occur, even though such cross-connection
may not exist at the time the backflow prevention device is required
to be installed. This includes but is not limited to the following
situations:
1.
Premises having an auxiliary water
supply, unless the quality of the auxiliary supply is acceptable to
the Director or his/her designee and the Missouri Department of Natural
Resources.
2.
Premises having internal cross-connections
that are not correctable, or intricate plumbing arrangements which
make it impractical to ascertain whether or not cross-connections
exist.
3.
Premises where entry is restricted
so that inspection for cross-connections cannot be made with sufficient
frequency or at sufficiently short notice to assure the cross-connections
do not exist.
4.
Premises having a repeated history
of cross-connections being established or reestablished.
5.
Premises, which due to the nature
of the enterprise therein, are subject to recurring modification or
expansion.
6.
Premises on which any substance is
handled under pressure so as to permit entry into the public water
supply, or where a cross-connection could reasonably be expected to
occur. This shall include the handling of process waters and cooling
waters.
7.
Premises where materials of a toxic
or hazardous nature are handled such that if backsiphonage or backpressure
should occur, a serious health hazard may result.
C.
The following types of facilities fall
into one (1) or more of the categories of premises where an approved
air-gap separation or reduced pressure principle backflow prevention
device is required by the Director or his/her designee and the Missouri
Department of Natural Resources to protect the public water supply
and must be installed at these facilities unless all hazardous or
potentially hazardous conditions have been eliminated or corrected
by other methods to the satisfaction of the Director or his/her designee
and the Missouri Department of Natural Resources.
1.
Aircraft and missile (manufacturing)
plants.
2.
Automotive plants (including those
plants which manufacture motorcycles, automobiles, trucks, recreational
vehicles and construction and agricultural equipment).
3.
Potable water dispensing stations
which are served by a public water system.
4.
Beverage bottling plants including,
but not limited to, dairies, soft drink bottlers, and breweries.
5.
Canneries, packing houses, and reduction
plants.
6.
Car washes.
7.
Chemical, biological and radiological
laboratories including those in high schools, trade schools, colleges,
universities and research institutions.
8.
Hospitals, clinics, medical buildings,
autopsy facilities, morgues, mortuaries, veterinary facilities, dental
clinics, and other medical facilities.
9.
Metal or plastic manufacturing, fabrication,
cleaning, plating or processing facilities.
10.
Plants manufacturing paper and paper
products.
11.
Plants manufacturing, refining, compounding
or processing fertilizer, film, herbicides, natural or synthetic rubber,
pesticides, petroleum or petroleum products, pharmaceutical, radiological
materials or any chemical which would be a contaminant to the public
water system.
12.
Commercial facilities that use herbicides,
pesticides, fertilizers or any chemical which would be a contaminant
to the public water system.
13.
Plants processing, blending or refining
animal, vegetable or mineral oils.
14.
Commercial laundries and dye works.
15.
Sewage, stormwater and industrial
waste treatment plants and pumping stations.
16.
Waterfront facilities, including
piers, docks, marinas and shipyards.
17.
Industrial facilities which recycle
water.
18.
Restricted or classified facilities
or other facilities closed to the supplier of water or the Director
or his/her designee.
19.
Fire protection and sprinkler systems.
20.
Auxiliary water systems, including
but not limited to alternative water sources.
21.
Irrigation systems with facilities
for injection of pesticides, herbicides or other chemicals or with
provisions for creating back pressure.
22.
Portable tanks for transporting water
taken from a public water system.
23.
Facilities which have pumped or repressurized
cooling or heating systems that are served by a public water system,
including all boiler systems.
24.
Film laboratories.
25.
Irrigation systems, separate from
domestic systems, such as parks, playgrounds, cemeteries, golf courses,
schools and estates.
26.
Underground lawn sprinkling systems
adjunct to domestic systems.
27.
Industries using toxic substances.
28.
Stockyards.
29.
Hazardous waste storage and/or disposal
sites.
30.
Oil and gas production, storage or
transmission properties.
31.
Printing and publishing facilities.
D.
An
approved backflow prevention device shall be installed at all potable
water service lines entering the premises of all retail, commercial,
and industrial facilities, including, but not limited to, schools,
churches, primary care facilities and hospitals. Each retail plaza
as a whole or each leased unit in any retail plaza where non-potable
water service connections are present, including but not limited to
food, laundry, medical, veterinarian, cosmetic, hair and animal grooming
services shall also have an approved backflow prevention device installed
at all potable water service line connections.
[Ord. No. 7377, 10-22-2020]
E.
An
approved backflow prevention device shall be installed at any non-potable
auxiliary water service connection within any facility where food
services and public water drinking fountains are present to include:
chemical feed systems or soap additive devices, carbonated fountain
machines, ice machines, steam tables, laundry machines, boiler feed
systems and chillers.
[Ord. No. 7377, 10-22-2020]
F.
An
approved reduced pressure zone (RPZ) backflow prevention device shall
be installed on all lawn irrigation and sprinkler systems, and all
fire protection systems with chemical additives present. An approved
reduced pressure zone (RPZ) or double-check (DC) backflow prevention
device assembly shall be installed on all fire protection systems
without chemical additives present.
[Ord. No. 7377, 10-22-2020]
G.
An
approved reduced pressure zone (RPZ) backflow prevention device shall
be attached to all fire hydrants at all times when being used for
any purpose other than fire protection or flushing.
[Ord. No. 7377, 10-22-2020]
[R.O. 2007 § 705.340; CC 1979 § 27-8.5; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 5, 5-22-2014]
A.
Any backflow prevention device required
by this Article shall be of a model or construction approved by the
Director or his/her designee and the Missouri Department of Natural
Resources.
1.
Air-gap separation to be approved
shall be at least twice the diameter of the supply pipe, measured
vertically above the top rim of the vessel, but in no case less than
one (1) inch.
2.
A double-check valve assembly or
a reduced pressure principle backflow prevention device shall be approved
by the Director or his/her designee and shall appear on the current
list of approved backflow prevention devices established by the Missouri
Department of Natural Resources.
B.
Existing backflow prevention devices approved
by the Director or his/her designee at the time of installation and
properly maintained shall, except for inspection and maintenance requirements,
be excluded from the requirements of this Section so long as the Director
or his/her designee is assured that they will satisfactorily protect
the public water system. Whenever the existing device is moved from
its present location, or requires more than minimum maintenance, or
when the Director or his/her designee finds that the maintenance constitutes
a hazard to health, the unit shall be replaced by a backflow prevention
device meeting the requirements of this Section.
[R.O. 2007 § 705.350; CC 1979 § 27-8.6; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 6, 5-22-2014]
A.
Backflow prevention devices required by
this Article shall be installed at a location and in a manner approved
by the Director or his/her designee and shall be installed at the
expense of the water customer.
B.
Backflow prevention devices installed on
the service line to the customer's water system shall be located on
the customer's side of the water meter, as close to the meter as is
reasonably practical, and prior to any other connection.
C.
Backflow prevention devices shall be located
so as to be readily accessible for maintenance and testing, protected
from freezing, and where no part of the device will be submerged or
subject to flooding by any fluid.
D.
All
approved backflow prevention devices required for internal containment
or isolation of the customer's non-potable auxiliary water system
shall be installed as close to the non-potable service connection
as reasonably possible and prior to any by-pass valves or service
lines, unless the by-pass service line is also protected with an approved
backflow prevention device.
[Ord. No. 7377, 10-22-2020]
[R.O. 2007 § 705.360; CC 1979 § 27-8.7; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 7, 5-22-2014]
A.
It shall be the duty of the customer at
any premises on which backflow prevention devices required by this
Article are installed to have inspection, tests, and overhauls made
in accordance with the following schedule or more often where inspections
indicate a need.
1.
Air-gap separation shall be inspected
at the time of installation and annually by June 1 thereafter.
2.
Double-check valve assemblies shall
be inspected and tested for tightness at the time of installation
and annually by June 1 thereafter. They shall be dismantled, inspected
internally, cleaned, and repaired whenever needed and at least every
five (5) years.
3.
Reduced pressure principle backflow
prevention devices shall be inspected and tested for tightness at
the time of installation and annually by June 1 thereafter. They shall
be dismantled, inspected internally, cleaned, and repaired whenever
needed at least every five (5) years.
B.
Inspections, tests, and overhauls of backflow
prevention devices shall be made at the expense of the water customer
and shall be performed by a State of Missouri certified backflow prevention
device tester.
C.
Whenever backflow prevention devices required
by this Article are found to be defective, they shall be repaired
or replaced at the expense of the customer without delay.
D.
The water customer shall maintain a complete
record of each backflow prevention device from purchase to retirement.
This shall include a comprehensive listing that includes a record
of all tests, inspections, and repairs. Records of inspections, tests,
repairs, and overhauls shall be made available to the Director or
his/her designee upon request.
E.
Backflow prevention devices shall not be
bypassed, made inoperative, removed, or otherwise made ineffective
without specific authorization by the Director or his/her designee.
F.
The
backflow prevention tester who is certified by the Missouri Department
of Natural Resources, hired by the customer, shall submit current
inspection test report(s) for each device within thirty (30) days
after completing the inspection or test and no later than June 1 annually.
All test reports shall be submitted on a Missouri Department of Natural
Resources approved test form which is completed fully and signed and
dated by the certified tester. Any incomplete test reports or test
reports not submitted within thirty (30) days from date of inspection
shall constitute a non-compliance of the device(s). The customer will
be deemed in violation if the certified test report is not received
by the water provider within sixty (60) days of the annual requirement.
Customer will be billed an administrative fee on their water bill
at a rate of two ($2.00) dollars per billing cycle per device.
[Ord. No. 7377, 10-22-2020]
[R.O. 2007 § 705.370; CC 1979 § 27-8.8; Ord. No. 1567 § 2, 9-28-1989; Ord.
No. 5001 § 1, 5-8-2008; Ord. No. 6140 § 8, 5-22-2014]
A.
When the Director, or his/her designee, finds that a customer has violated, or continues to violate, any provision of Article VIII of this Chapter, the Director, or his/her designee, may serve upon that customer a written violation notice, stating the nature of the violation.
B.
The violation notice shall state that the
Director or his/her designee shall deny or discontinue, after reasonable
notice to the occupants thereof, the water service to any premises
wherein any backflow prevention device required by this Article is
not installed, tested, and maintained in a manner acceptable to the
Director or his/her designee or if it is found that the backflow prevention
device has been removed or bypassed, or if an unprotected cross-connection
exists on the premises. If in the opinion of the Director or his/her
designee, a serious, immediate threat to public health is posed, then
service shall be discontinued without notice.
C.
Water service to such premises shall not
be restored until the customer has corrected or eliminated such conditions
or defects in conformance with this Article to the satisfaction of
the Director or his/her designee.
D.
Inspection
and testing failure violations shall be corrected within ten (10)
working days of the violation or water service shall be disconnected
until such time as the failure is corrected.
[Ord. No. 7377, 10-22-2020]
E.
A late
fee of thirty ($30.00) dollars per device shall be charged to the
customer's water bill for any backflow test report(s) for each device
not received by June 1 annually.
[Ord. No. 7377, 10-22-2020]
F.
Any
backflow test reports not received within sixty (60) days of the June
1 annual inspection date shall be disconnected from the public water
system until satisfactory report(s) are received and all applicable
fees are paid.
[Ord. No. 7377, 10-22-2020]
