City of Northmoor, MO
Platte County
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Table of Contents
Table of Contents
[Ord. No. 327 §§I — II, 6-2-1998]
A. 
Purpose. The purposes of this Chapter are:
1. 
To protect the public potable water supply from contamination or pollution by containment within the customer's internal distribution system or private water system, contaminants or pollutants which could backflow through the service connection into the "public water system".
2. 
To promote the elimination, containment, isolation or control of existing cross-connections, actual or potential, between the public or customer's potable water system and non-potable water systems, plumbing fixtures and industrial-process systems.
3. 
To 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.
4. 
To comply with the provisions of the Missouri Safe Drinking Water Act, the Missouri Public Drinking Water Regulations as promulgated in 10 CSR 60, Chapter 11, Cross Connection, and other directives or guidelines established by the Missouri Department of Natural Resources, hereinafter referred to as the Department, which are consistent with the Act and their Regulations.
B. 
Application. This Chapter shall apply to all premises served by the public potable water system of the City of Northmoor, Missouri.
C. 
Policy. This Chapter will be reasonably interpreted by the Water Purveyor. The Water Purveyor shall be primarily responsible for protection of the public potable water distribution system from contamination or pollutants through the water service connection.
If in the judgment of the Water Purveyor or his/her authorized representative, cross-connection protection is required either through piping modification or installation of an approved backflow prevention device, written notice shall be given to the consumer immediately. The consumer shall immediately comply by providing such protection at his/her own expense; failure to do so shall constitute grounds for discontinuing water services to the premises until such protection has been provided.
[Ord. No. 327 §III, 6-2-1998]
A. 
The following definitions shall apply in the interpretation and enforcement of this Chapter:
AIR-GAP SEPARATION
An unobstructed gap between the supply pipe or faucet and the receiving tank, plumbing fixture or other device and which meets the requirements of the Department. The gap shall be at least two (2) times the diameter of the supply pipe measured vertically above the overflow rim level of the receptacle, but in no case less than one (1) inch. (See Section 710.060 Backflow Prevention Assembly Standards.)
AUXILIARY WATER SUPPLY
Any water source or system, other than the water distribution system, that may be available in the building or premises.
BACKFLOW
The flow, other than in the intended direction of flow, of any foreign liquids, gases or substances into the water distribution system.
BACKFLOW HAZARD
Any hazard which could occur due to either an existing or potential backflow of contaminated water or non-potable water into the water distribution system.
1. 
Class I Backflow Hazard — A backflow hazard which presents an immediate or potential health hazard to customers of the water distribution system should backflow occur.
2. 
Class II Backflow Hazard — A backflow hazard which would threaten to degrade the water quality of the water distribution system should backflow occur.
BACKFLOW PREVENTION ASSEMBLY
Any device, method or type of construction intended to prevent backflow into a potable water system, and which meets the requirements of the Department. (See Section 710.060 Backflow Prevention Assembly Standards.)
BACKFLOW PREVENTION ASSEMBLY TESTER — CERTIFIED
A person who has proven his/her competency to the satisfaction of the Department. Each person who is certified to make competent tests or to repair, overhaul and make reports on backflow prevention assemblies shall be conversant with applicable laws, rules and regulations and have had experience in plumbing or pipe fitting or have other qualifications which, in the opinion of the Department, are equivalent.
BYPASS
Any system or arrangement of piping whereby the water may be diverted around all or any part of a backflow prevention assembly.
CONTAINMENT
Protection of the water distribution system, by installing a Department approved backflow prevention assembly or air-gap separation on the main service line to a facility.
CONTAMINATION
An impairment of the quality of the water by sewage, wastes, process fluids, chemicals or substances 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, actual or potential, between a potable water supply and any other substance, fluid or source, which makes possible contamination of the potable water supply due to the reversal of flow of the water in the piping or distribution system. Bypass arrangements, jumper connections, removable sections, swivel or changeover devices and other temporary or permanent devices through which or because of which backflow can or may occur are considered to be cross-connections.
CUSTOMER
The owner or person in control of any facility supplied by or in any manner connected to the water distribution system.
DEPARTMENT
The Missouri Department of Natural Resources, its employees or authorized representatives.
DOUBLE-CHECK-DETECTOR CHECK ASSEMBLY
An assembly, approved by the Department, which includes a main line assembly composed of two (2) single, independently acting, internally loaded check valves, including tightly closing shut-off valves located at each end of the assembly and fitted with properly located test cocks. In addition, the bypass line assembly shall be composed of a water meter in series with a double-check valve assembly. The meter, nominally three-fourths (¾) inch size, is for detection of leaks and unauthorized water uses and will accurately register flows of between one (1) and twenty (20) gpm flow rates. The double-check valve assembly located in the bypass line has a static pressure drop which is approximately two (2) psi less than the mainline check valves, resulting in all flows up to about ten (10) gpm to be registered by the meter. The meter installed on the assembly shall only be one that has been specifically approved and matched with the assembly, by the Department, for this use. (See Section 710.060 Backflow Prevention Assembly Standards.)
DOUBLE-CHECK VALVE ASSEMBLY
An assembly, approved by the Department, which is composed of two (2) single, independently acting, internally loaded check valves, including tightly closing shut-off valves located at each end of the assembly and fitted with properly located test cocks. (See Section 710.060 Backflow Prevention Assembly Standards.)
FACILITY
Any structure, building, hydrant, piping system or other device, owned by a customer, which is supplied potable water from the Water Purveyor.
HAZARD, DEGREE OF
An evaluation of the potential risk to public health and the adverse effect of the hazard upon the potable water system.
1. 
Hazard, Health: Any condition, device or practice in the water supply system and its operation which could or may create a danger to the health and well-being of any 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: An actual or potential threat to the physical properties of the water distribution system or the potability of the Water Purveyor's 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: An actual or potential threat of severe damage to the physical properties of the potable water system of the Water Purveyor or the customer, or of a pollution or contamination which would have a 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 a potable water supply.
ISOLATION
Protection of a customer's potable water system, within his/her premises, by installing a Department approved backflow prevention assembly or air-gap separation on an individual fixture, appurtenance or system.
PERSON
Any individual, partnership, co-partnership, firm, company, public or private corporation, association, homeowners' association, joint stock company, trust, estate, political subdivision, or any agency, board, department or bureau of the State or Federal Government, or any other legal entity whatever which is recognized by law as the subject of rights and duties.
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.
POTABLE
Any water which is satisfactory for drinking, culinary and domestic purposes and which meets the requirements of the Department. For the purposes of this Chapter, all water supplied by the Water Purveyor meets these requirements.
PREMISES
The land, real estate or building, owned or occupied by a customer, having any facility which is supplied water from the Water Purveyor.
PRESSURE TYPE VACUUM BREAKER ASSEMBLY
A device, approved by the Department, which is composed of a spring loaded check valve which closes tightly when the pressure of the device drops below one (1) psi or when zero (0) flow occurs. An air inlet port that opens to break a siphon when the pressure in the device drops to one (1) psi is located above the line check valve. This device shall only be installed where back pressure will not occur and shall be installed above the highest fixture served.
REDUCED PRESSURE PRINCIPLE BACKFLOW PREVENTION ASSEMBLY
A device, approved by the Department, containing two (2) independently acting, internally loaded check valves together with a hydraulically operating, mechanically independent pressure relief valve located between the check valves and at the same time below the first (1st) check valve. The unit shall include properly located test cocks and tightly closing shut-off valves at each end of the assembly. (See Section 710.060 Backflow Prevention Assembly Standards.)
SERVICE CONNECTION
The terminal end of a water service line or pipe which is connected to the Water Purveyor's water distribution system, for the purpose of conveying water to a point of use, for potable and/or fire protection purposes.
WATER DISTRIBUTION SYSTEM
All piping, conduits, valves, hydrants, storage facilities, pumps and other appurtenances, excluding service connections, which serve to deliver water from a water treatment plant or water supply source to the public. For the purposes of this Chapter, only that system which is owned and/or operated by the Water Purveyor shall be considered as the water distribution system.
WATER PURVEYOR
The owner, operator or individual in responsible charge of a public water system.
B. 
The definitions contained under Subsection (A) above are supplemental to those definitions contained in 10 CSR 60-2.015. Should any conflicts arise in the interpretation of this Chapter which are attributed to discrepancies between these definitions, those definitions contained in 10 CSR 60-2.015 shall govern.
[Ord. No. 327 §IV, 6-2-1998]
A. 
No service connection shall be installed or maintained to any facility where actual or potential cross-connections may exist unless such actual or potential cross-connections are abated or controlled to the satisfaction of the Water Purveyor and as required by the laws and regulations of the Department.
B. 
No service connection shall be installed or maintained whereby an auxiliary water supply may enter the Water Purveyor's or customer's potable water system unless such auxiliary water supply and the method of connection and use of such supply shall have been approved by the Water Purveyor and the Department.
C. 
No service connection shall be installed or maintained to any facility in which the plumbing system and fixtures have not been constructed and installed using acceptable plumbing practices considered by the Water Purveyor as necessary for the protection of health and safety.
[Ord. No. 327 §V, 6-2-1998]
A. 
The customer's premises shall be open at all reasonable times to the Water Purveyor or its authorized representative for the conduction of surveys and investigations or water use practices within the customer's premises to determine whether there are actual or potential cross-connections through which contaminants or pollutants could backflow into the water distribution system.
B. 
On request by the Water Purveyor or its authorized representative, the customer shall furnish information on water use practices within his/her premises.
C. 
It shall be the responsibility of the water customer to conduct periodic surveys of water use practices on his/her premises to determine whether there are actual or potential cross-connections to his/her water system through which contaminants or pollutants could backflow into his/her potable water system or the Water Purveyor's water distribution system.
[Ord. No. 327 §VI, 6-2-1998]
A. 
General.
1. 
An approved backflow prevention assembly shall be installed on each service connection to a customer's water system serving premises where, in the judgment of the Water Purveyor or the Department, actual or potential hazards to the Water Purveyor's water distribution system exist. The type and degree of protection required shall be commensurate with the degree of hazard.
2. 
The Water Purveyor's policy, in order to protect the water distribution system, must be a control program by containment. Therefore, the required type of approved assembly must be installed on the customer's service connection on the down stream side of the meter.
3. 
In addition to the Water Purveyor's policy of control by containment, the Water Purveyor supports additional control of actual or potential hazards with the installation of other backflow protection assemblies in order to isolate the hazardous condition for the protection of the Water Purveyor's own potable water system.
4. 
Notwithstanding any other provision of this Chapter, whenever a backflow incident occurs which introduces a contaminant or pollutant into the water distribution system, the customer shall install an approved backflow prevention assembly which is consistent with the degree of hazard the incident posed.
5. 
When more than one (1) service connection serves a single facility or the premises of only one (1) customer, each service connection shall be rated independently of each other, based upon the degree of hazard that service connection poses (i.e., separate service connections for domestic, process and fire protection could require no protection, Class I protection and Class II protection respectfully).
B. 
Class I Hazard.
1. 
Class I Hazard classification. An approved air-gap separation or reduced pressure principle backflow prevention assembly shall be installed on the service connection where, in the judgment of the Water Purveyor or the Department, the nature and extent of activities on the premises or the materials used in connection with the activities, or materials stored on the premises, would present an immediate and dangerous hazard to the health should a cross-connection occur, even though such cross-connection may not exist at the time the backflow prevention assembly is required to be installed. This includes but is not limited to the following situations:
a. 
Premises having an auxiliary water supply, unless the quality of the auxiliary supply is acceptable to the Water Purveyor and the Department.
b. 
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.
c. 
Premises where entry is restricted so that inspection for cross-connection cannot be made with sufficient frequency or at sufficiently short notice to assure that cross-connections do not exist.
d. 
Premises have a repeated history of cross-connections being established or reestablished.
e. 
Premises, which due to the nature of the enterprise therein, are subject to recurring modification or expansion.
f. 
Premises on which any substance is handled under pressure so as to permit entry of the substance into the water distribution system, or where a cross-connection could reasonably be expected to occur. This shall include the handling of process waters and cooling waters.
g. 
Premises where materials of a toxic or hazardous nature are handled such that if back-siphonage or back-pressure should occur, a serious health hazard may result.
2. 
Class I Hazard listing. 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 assembly is required by the Water Purveyor and the Department to protect the Water Purveyor's distribution system 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 Water Purveyor and the Department:
a. 
Aircraft and missile manufacturing plants.
b. 
Automotive plants, including those plants which manufacture motorcycles, automobiles, trucks, recreational vehicles and construction and agricultural equipment.
c. 
Potable water dispensing stations which are served by the Water Purveyor.
d. 
Beverage bottling plants, including dairies and breweries.
e. 
Canneries, packing houses and reduction plants.
f. 
Car, truck and equipment washing facilities.
g. 
Chemical, biological and radiological laboratories, including those in high schools, trade schools, colleges, universities and research institutions.
h. 
Hospitals, clinics, medical buildings, autopsy facilities, morgues, mortuaries and other medical facilities.
i. 
Metal or plastic manufacturing, fabrication, cleaning, plating or processing facilities.
j. 
Plants manufacturing paper and paper products.
k. 
Plants manufacturing, refining, compounding or processing fertilizer, film, herbicides, natural or synthetic rubber, pesticides, petroleum or petroleum products, pharmaceuticals, radiological materials or any chemical or substance which could be a contaminant to the water system.
l. 
Facilities that use herbicides, pesticides, fertilizers or any chemical which would be a contaminant to the water system.
m. 
Plants processing, blending or refining animal, vegetable or mineral oils.
n. 
Commercial laundries and dye works.
o. 
Sewage, stormwater and industrial waste treatment plants and pumping station.
p. 
Waterfront facilities, including piers, docks, marinas and appurtenant structures or facilities.
q. 
Industrial facilities which recycle water.
r. 
Facilities that have restricted access due to the nature of the customer's business.
s. 
Fire sprinkler systems using any chemical additives.
t. 
Auxiliary water systems.
u. 
Irrigation systems with facilities for injection of pesticides, herbicides or other chemicals or with provisions for creating back pressure.
v. 
Potable tanks for transporting water taken from the Water Purveyor's water distribution system.
w. 
Facilities which have pumped or repressurized cooling or heating systems that are served by the water system, including all boiler systems.
C. 
Class II Hazards.
1. 
Class II Hazard classification. An approved air-gap separation, an approved reduced pressure principle backflow prevention assembly, an approved double-check valve assembly or an approved double-check-detector check assembly shall be installed on the service connection where, in the judgment of the Water Purveyor or the Department, the nature and extent of activities on the premises could result in an incident occurring which would introduce a contaminant or pollutant into the water distribution system which may create a nuisance, be aesthetically objectionable or cause minor damage to the Water Purveyor's water distribution system or the customer's water system.
2. 
Class II Hazard listing. The following types of facilities fall into the categories of premises where an approved air-gap separation or reduced pressure principle backflow prevention device or approved double-check valve assembly or a double-check-detector check assembly is required by the Water Purveyor or the Department to protect the water distribution system 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 Water Purveyor and the Department.
a. 
Tanks for storage of water taken from the water distribution system for any purpose.
b. 
Fire sprinkler system not using chemical additives.
c. 
Cross-connections that could permit introduction of pollutants into the water distribution system and thereby create a nuisance, be aesthetically objectionable or cause damage to the water system.
[Ord. No. 327 §VII, 6-2-1998]
A. 
General.
1. 
All new backflow prevention assemblies required by this Chapter shall be of a model or construction which meets the requirements of the Department and/or which appears on the current "list of approved backflow prevention devices" established by the Department.
2. 
Existing backflow prevention assemblies approved by the Water Purveyor at the time of installation shall, except for the inspection and maintenance requirements of this Chapter, be excluded from the requirements of this Section, so long as the Water Purveyor is assured that they will satisfactorily protect the water distribution system. Whenever the existing device is moved from its present location, or requires more than minimum maintenance, or when the Water Purveyor finds that the maintenance constitutes a hazard to health, the unit shall be replaced by a backflow prevention assembly meeting the requirements of this Chapter.
3. 
Backflow prevention assemblies required by this Chapter shall be installed and maintained at the expense of the customer
B. 
Installation And Construction.
1. 
Backflow prevention assemblies required by this Chapter shall be installed at a location and in a manner approved by the Water Purveyor.
2. 
Backflow prevention assemblies installed on a service connection to the customer's water system shall be located on the customer's side of the water meter, as close to the meters as is reasonably practical, and prior to any other connection.
3. 
Backflow prevention assemblies shall be located so as to be readily accessible for maintenance and testing, protected from excessive heat or freezing, and where no part of the assembly will be submerged or subject to flooding by any fluid.
4. 
As thermal water expansion and/or water hammer downstream of the backflow preventer can cause excessive pressure increases, the customer shall be responsible for the elimination of excessive pressure situations so as to avoid possible damage to the device and the water distribution system.
5. 
The discharge pipe of an air-gap separation shall terminate a minimum of two (2) pipe diameters of the discharge pipe above the flood level rim of the receiving vessel; in no case shall the distance be less than one (1) inch.
6. 
All water loading stations shall be equipped with an air-gap separation. In addition, in order to prevent contaminants being transferred from a hauling vessel to others subsequently using the station, each hauler or customer shall provide his/her own hose for connection to the bottom of the air-gap separation assembly. Such connection shall not cause the air-gap separation assembly to become contaminated.
7. 
The preferred location for installation of a reduced pressure principle assembly is immediately inside the wall where the customer service line enters a building. The pressure differential relief valve port shall have a minimum clearance of twelve (12) inches above the floor with adequate drainage provided such that the assembly will not be subject to being submerged. No plug or additional piping shall be affixed to the pressure differential relief valve port. Additionally, the assembly should be installed at a location where any leakage from the pressure differential relief valve port will be noticed by the customer. If it is not possible to install the backflow prevention assembly on an interior wall, then installation of the assembly shall be in an above-ground protective enclosure.
8. 
The preferred location for installation of a double-check valve assembly or a double-check-detector check assembly is immediately inside the wall where the customer service line enters a building. The assembly shall have a minimum clearance of twelve (12) inches above the floor with adequate drainage provided such that the assembly will not be subject to being submerged. If it is not possible to install the backflow prevention assembly on an interior wall, then installation of the assembly shall be in either an above-ground protective enclosure or in a meter pit or vault.
9. 
No bypass piping shall be allowed around a backflow prevention assembly unless the bypass is equipped with an identical backflow prevention assembly.
10. 
A double-check-detector check assembly shall be installed on all unmetered service connections which provide for fire protection only. As an alternative, a double-check valve assembly only may be installed in those locations where the service connection is metered.
11. 
Whenever a double-check-detector check assembly is installed on the interior wall of a building, a remote register readout of the detector meter shall be installed outside the building in a location that is readily accessible, during normal business hours, to Water Purveyor personnel.
[Ord. No. 327 §VIII, 6-2-1998]
A. 
It shall be the duty of the customer at any premises on which backflow prevention assembly required by this Chapter are installed to have inspections, tests and overhauls made in accordance with the following schedule and more often where inspections indicate a need:
1. 
Air-gap separations shall be inspected at the time of installation and each year thereafter, by a date which is no later than thirty (30) days past the anniversary of the original inspection test date to ensure that they continue to meet the requirements of Section 710.050.
2. 
Reduced pressure principle backflow prevention assemblies shall be inspected and tested at the time of installation and each year thereafter, by a date which is no later than thirty (30) days past the anniversary of the original inspection test date. They shall, in addition, be dismantled, inspected internally, cleaned and repaired whenever needed and/or at the request of the Water Purveyor. Inspections and tests of the assemblies shall, as a minimum, insure that:
a. 
The pressure differential relief valve operates to maintain the zone between the two (2) check valves at least two (2) pounds per square inch (2.0 psi) less than the supply pressure.
b. 
The No. 2 check valve is leak-tight against reverse flow under all pressure differentials.
c. 
The static pressure drop across the No. 1 check valve is at least three (3) pounds per square inch (3.0 psi) greater than the pressure differential between the supply pressure and pressure in the zone required to open the pressure differential relief valve.
3. 
Double-check valve assemblies shall be inspected and tested at time of installation and every year thereafter, by a date which is no later than thirty (30) days past the anniversary of the original inspection test date to ensure that both the No. 1 and No. 2 check valves are leak-tight against reverse flow under all pressure differentials. They shall, in addition, be dismantled, inspected internally, cleaned and repaired whenever needed and/or at the request of the Water Purveyor.
4. 
Double-check-detector check assemblies shall be inspected and tested at time of installation and every year thereafter, by a date which is no later than thirty (30) days past the anniversary of the original inspection test date to ensure that the No. 1 and No. 2 valves in both the main and detector lines are leak-tight against reverse flow under all pressure differentials. The double-check valve assembly located in the detector line shall have a static pressure drop which is at least two (2) psi less than the mainline double-check valve assembly. The complete assembly shall, in addition, be dismantled, inspected internally, cleaned and repaired whenever needed and/or at the request of the Water Purveyor.
B. 
Inspections, tests and overhauls of backflow prevention devices shall be made at the expense of the customer and shall be performed by a backflow prevention assembly tester certified.
C. 
Whenever backflow prevention assemblies required by this Chapter are found to be defective, they shall be repaired or replaced at the expense of the customer without delay.
D. 
The customer must maintain a complete record of each backflow prevention assembly from purchase to retirement. This shall include a comprehensive listing that includes a record of all tests, inspections, overhauls and repairs. All records will be made available to the Water Purveyor.
E. 
Backflow prevention assemblies shall not be bypassed, made inoperative, removed or otherwise made ineffective without specific authorization by the Water Purveyor.
[Ord. No. 327 §IX, 6-2-1998]
A. 
The Department may issue a letter exempting a customer from the requirements for the installation of backflow prevention assemblies if the customer can show to the satisfaction of the Department and the Water Purveyor that the activities taking place at the customer's facilities and the materials used in connection with these activities or stored on the premises cannot endanger the health of customers, or degrade the water quality of the water distribution system, should backflow occur.
B. 
An exemption issued by the Department shall remain valid for not more than three (3) years following the date of issuance. The customer shall then reapply for an exemption, should he/she so desire, or alternatively shall install an appropriate backflow prevention assembly.
C. 
An exemption shall be void if it is determined that the customer's facility has become a backflow hazard.
D. 
Those customers granted an exemption by the Department shall report to the Water Purveyor any proposed changes in processing, plumbing or materials used or stored at the exempted facility at least fourteen (14) days prior to making the change. Failure to do so shall void the exemption.
[Ord. No. 327 §X, 6-2-1998]
A. 
New Service Connections.
1. 
All customers, when making application for water service shall indicate potential backflow hazard and/or the need for cross-connection control. The Water Purveyor shall review the application and may request that the customer or his/her authorized representative submit additional information for the purpose of determining the need for and type of backflow prevention assembly that may be required.
2. 
If a backflow prevention assembly is not required for the service, normal service application procedures shall follow.
3. 
If a backflow prevention assembly is required, in addition to normal service application procedures, the following procedures will be followed:
a. 
The customer or his/her authorized representative shall submit detailed plans and specifications on the proposed installation, along with any other information that the Water Purveyor may require, for approval by the Water Purveyor.
b. 
Upon receiving approval of the proposed installation, the customer shall schedule with the Water Purveyor the time for making the tap, setting the meter and turning water on.
c. 
Once the water has been turned on, the customer shall arrange with the backflow prevention assembly tester — certified, to proceed with the inspection and testing of the backflow prevention assembly. The initial inspection and testing must be completed within thirty (30) calendar days after the date the tap has been made. The backflow prevention assembly tester — certified, within an additional five (5) days, must provide satisfactory documentation to the Water Purveyor that the backflow prevention assembly has been properly installed, inspected and tested.
B. 
Existing Service Connections.
1. 
Whenever the Department, local governmental agency or the Water Purveyor determines that an existing customer's service connection poses an actual or potential backflow hazard, the Water Purveyor will notify the customer that a backflow protection assembly is required to be installed for protection of the water distribution system.
2. 
The Division will request that the customer or his/her authorized representative submit additional information for the purpose of determining the need for and type of backflow prevention assemblies that may be required.
3. 
Upon determination of the need for and type of backflow prevention assembly required, the customer or his/her authorized representative shall submit detailed plans and specifications of the proposed installation, along with any other information that the Water Purveyor may require, for approval by the Water Purveyor.
4. 
Upon receiving approval of the proposed installation, the customer shall arrange with the backflow prevention assembly tester — certified to proceed with the inspection and testing of the backflow prevention assembly. The initial inspection and testing must be completed within thirty (30) calendar days after the date the proposed installation has been approved by the Water Purveyor. The backflow prevention assembly tester — certified, within an additional five (5) days, must provide satisfactory documentation to the Water Purveyor that the backflow prevention assembly has been properly installed, inspected and tested.
C. 
Annual Maintenance And Inspections.
1. 
The Water Purveyor will notify each customer having a backflow prevention assembly, at least thirty (30) days prior to the anniversary of the original inspection date, that his/her backflow prevention assembly should be inspected and tested by the anniversary of the original inspection date (hereinafter referred to as the due date).
2. 
If the required documentation indicating that the inspection and testing of a backflow prevention assembly has not been received by the due date, the Water Purveyor will again notify the respective customer(s) that the inspection and test need to be completed and in the hands of the Water Purveyor not later than thirty (30) days past the due date.
3. 
If the required documentation indicating that the inspection and testing of a backflow prevention assembly has not been received by the Water Purveyor by forty-five (45) days past the due date, the Water Purveyor will so notify the Department.
[Ord. No. 327 §XI, 6-2-1998]
A. 
The Water Purveyor shall deny or discontinue service, after reasonable notice is given to the customer, whenever any backflow prevention assembly required by this Chapter is not installed, tested or maintained in a manner acceptable to the Water Purveyor, or if it is found that the assembly has been removed or bypassed, or if an unprotected cross-connection exists on the premises.
B. 
Water service to such premises shall not be restored until the customer has corrected or eliminated such conditions or defects in conformance with this Chapter to the satisfaction of the Water Purveyor.