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385 Cross Connection / Backflow I I ORDINANCE NO. 385 AN ORDINANCE AMENDING TITLE 5, CHAPTER 1, OF THE REVISED AND COMPILED ORDINANCES OF THE CITY OF MERIDIAN, WATER DEPARTMENT, BY THE ADDITION THERETO OF A NEW SEC- TION PROHIBITING CROSS CONNECTIONS TO BE A NUISANCE AND PROVIDING FOR THE ABATE- MENT THEREOF; PROVIDING A PENALTY FOR THE VIOLATION OF THIS SECTION; AND PROVID- ING FOR THE EFFECTIVE DATE OF THIS ORDINANCE. 253 WHEREAS, the City Council and the Mayor of the City of Meridian have con- cluded that if is in the best interest of said City to amend Title 5, Chapter 1, Water Department. NOW, THEREFORE, BE IT ORDAINED BY THE MAYOR AND CITY COUNCIL OF THE CITY OF MERIDIAN, ADA COUNTY, IDAHO: Section 1. That Title 5, Chapter 1, Water Department, shall be and the same is hereby amended to include the following: 5-143 A - Purpose: This section is adopted for the benefit of consumers recelvlng their water supply from the City of Meridian by protecting the water supply system Of the City from actual or potential pollution or contamination through cross connections. 5-143 B - Definitions: a. Pollution shall mean the infiltration of either solids, liquids or gases into the water supply system which, although not constituting a pUblic health ha- zard, does impair the water quality with respect to taste, odor, color or utility. b. Contamination shall mean the infiltration of either solids, liquids or gases into the water supply system which does constitue a public health hazard. c. Water supply system shall mean the potable water supply system pro- vided by the City of Meridian. d. The City shall mean the City of Meridian or any authorized agent thereof. e. The customer shall mean any persons and/or premises receiving water from the City water supply system. f. Cross connection shall mean any physical arrangement whereby the water supply system is connected either directly or indirectly with any unapproved water supply, sewer, drain, conduit, pool, storage reservoir, plumbing fixture or other device which contains or may contain any substance capable of pollu- tion or contamination. g. Backf10w shall mean flow, in the opposite direction from that intended, of any foreign substance which may enter the water supply system or of any contaminated or polluted water. h. Backf10w Prevention Device shall mean an approved device which couhter-- acts back pressure and/or prevents back siphonage. A reduced pressure principle backf10w prevention device, a double check valve assembly, a pressure or atmo- spheric vacuum breaker shall be considered approved if it has successfully pass- ed the performance tests of the University of Southern California Engineering Center or other testing laboratories acceptable to the City and the State of Idaho Department of Health and Welfare. 5-143 C - Cross Connections: No water service or fire sprinkler system connection shall remain or be in- stalled to any customer unless the water supply system is adequately protected against cross connection by backf10w prevention devices commensurate with the de- gree of hazard that either does or potentially may exist. The installation or maintenance of a cross connection which may endanger the water supply system qua- lity shall be unlawful and is prohibited. Any such cross connection now existing or hereafter installed shall be abated. The control or elimination of cross con- nections shall be in accordance with this ordinance and the Idaho Requ1ations for Public Drinking Water Systems section 1-8306, dated November, 1977, or subsequent revisions, together with any other publications pertaining to cross connection control approved by the Director of the State of Idaho Department of Health and Welfare. 5-143 D - Use of Backf10w Prevention Devices: a. Backf10w prevention devices shall be installed, if possible, within the confines of the affected building in a readily accessible location with adequate clearances for maintenance and testing. If the preceeding installation is not possible the device shall be installed in a concrete pit with a locked cover at 254 or near the property line of the premises. The pit shall be situated above seaM sonal high groundwater, shall contain a floor drain, shall provide adequate room for testing and maintenance and shall protect the device against freezing. Back flow prevention devices shall .be installed under any circumstances included in, but not limited to, the following: 1. Premises housing an auxiliary water supply that has not been approv- ed by the City for its quality and protection. 2. Premises having intricate plumbing arrangements which make it diffi- cult to ascertain whether or not cross connections exist. 3. Premises where entry is restricted so that inspections for cross con- nections could not be made, during reasonable hours, at sufficiently short notice to assure that cross connections do not exist. 4. Premises where any substance handled under pressure;coUld.enter:into the water supply system. This shall include the handling of process and cooling waters. 5. Premises having a repeated history of cross connections being cre- ated or re-created. I b. The following types of facilities shall fall into one of the above cat- egories where a backflow prevention device is required to protect the water sup- ply system unless the City and the State of Idaho Department of Health and Wel- fare determine that no hazard exists: 1. Sewage treatment plants. 2. Laboratories. 3. Food processing plants. 4. Chemical or other industrial plants. 5. Hospitals, morturaries, clinics. 6. Agricultural chemical storage, formulation and distribution facilities. 7. Petroleum processing or storage plants. 8. Car washes. 9. Other facilities specified by the City and the State of Idaho Depart- ment of Health and Welfare. c. Certain public facilities present potential sources of cross connections. All of the following facilities and any others the City specify shall be required to install backflow prevention devices as required by the City. 1. Schools. 2. Movie theaters. 3. Recreation and sports grounds. 4. Restaurants. 5. Stores (wholesale or retail). d. The type of backflow prevention device required for a particular situa- tion shall be commensurate with the degree of hazard presented. The following guides shall be used: 1. Where the water supply system could be contaminated as a result of cross connection an air-gap separation or a reduced pressure backflow prevention device shall be installed. 2. Where cross connection could result in pollution of the water supply system either of the above devices or a double check valve assembly shall be used. f 3. Backsiphonage, such as from irrigation sprinkler systems, may be pre- vented by the use of either atmospheric vacuum breakers or pressure vacuum break- ers, as directed by the City and the State of Idaho Department of Health and Welfare. e. Facilities having plumbing arrangements connected to the water supply system, where the water remains stagnant for prolonged periods of time, shall be required to install a double check valve assembly. 5-143 E - Supervision and Inspection: a. Backflow prevention devices required by this ordinance shall be in- stalled under the supervision of and with the approval of the City. Such in- stallations shall be completely at the customers expense. b. Backflow prevention devices installed prior to this ordinance shall be inspected and tested by a testing firm of the customer's choice that is quilified . .../ '. ...........,:.-- 255 and approved by the City to inspect and test said devices. This work shall be at the customer's expense and the results forwarded to the City. Any protection devi ce i nsta 11 ed pri or to thi s ordi nance that is not approved by the City shall be replaced by an approVed device, at the customer's expense. c. Annual inspection and testing of all installed backflow prevention devices shall be carried out by a qualified and approved testing firm of the cus- tomers choice. Any parts found faulty shall be replaced. All inspection, test- ing and parts replacement data shall be forwarded to the City. All of this work shall be carried out at the customer's expense. d. When the City considers it necessary, because of the degree of hazard involved should any crbss connection occur, inspection and testing may be more frequent than annually. e. During reasonable hours, all customers shall permit entry of the City to inspect for cross connections. f. No water service shall be supplied to any newly constructed premises until the said premises has successfully passed the City inspection for cross connections and complies with this ordinance. 5~143 F - Inspection Fee: a. Inspection made by City Waterworks Department to verify requirement of a cross connection control device. Inspection shall be made by the City Water- works Department after the device has been installed and prior to its certifi- cation. Request for. inspection shall be the responsibility of the customer. All inspections shall be at the expense of the customer and shall be billed at the rate of $20.00 per hour by the City Waterworks Department. 5-143 G - Violations and Penalties: a. The following shall be grounds for termination of water service to a customer: 1. Failure to install, maintain, inspect and test any backflow pre- vention device required by this ordinance. 2. Refusal of access, during reasonable hours, to any property for the purpose of determining whether or not cross connections exist. b. Any customer who violates or refuses to comply with this ordinance shall be deemed guilty of a misdemeanor and upon conviction thereof shall for each offense be punished by a fine in any sum not exceeding Three Hundred ($300.00) Dollars or imprisonment for a term not exceeding on hundred eighty (180) Days or by both such fine or imprisonment. 5-143 H - Severability: If any sections, sub-sections or sentences of this section are for any rea- son held to be unconstitutional or invalid, such decision shall not affect the validity of the remaining portions of this ordinance and the same shall remain full force and effect. Section 2. WHEREAS, there is an emergency therefor, which emergency is de- clared to exist, this ordinance shall take effect and be in force from and after its passage, approval and publication as required by law. PASSED By the City Council and approved by the Mayor of the City of Meridian, Ada County, Idaho, this 2nd day of March, 1981. 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