[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:
ABANDONMENT
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]
AIR-GAP SEPARATION
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.
AUXILIARY WATER SUPPLY
Any water source or system, other than the public water supply, that may be available in the building or premises.
BACKFLOW
The flow other than the intended direction of flow, of any foreign liquids, gases, or substance into the public water system.
BACKFLOW PREVENTION DEVICE
Any device, method, or type of construction intended to prevent backflow into the public water system.
CONTAINMENT
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.
CONTAMINATION
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.
CROSS-CONNECTION
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.
CUSTOMER
The owner or person in control of any premises supplied by or in any manner connected to the public water system.
DIRECTOR
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]
HAZARD, DEGREE OF
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]
1. 
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.
2. 
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.
3. 
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.
4. 
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.
INDUSTRIAL PROCESS 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.
ISOLATION
Protection of a facility service line by installing a cross-connection control device or air-gap separation on an individual fixture, appurtenance, or system.
POLLUTION
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.
PUBLIC WATER SYSTEM
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.
SERVICE CONNECTION
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]