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HomeMy WebLinkAboutOrdinances - No. 1378ORDINANCE NO. 1378 AN ORDINANCE OF THE CITY OF LODI ESTABLISHING AND PROVIDING FOR THE REGUIXCION OF CROSS CD"EI!IONS TO THE CITY'S WAm SYSTEM m1m1. GENERAL The City Council of the City of Lodi DOES ORDAIN as follows: Sec. - -1 Purpose The purpose of this ordinance is (1) to protect the public potable water system against actual or potential cross connections by isolating within the premises, contamination or pollution that may occur because of so~ne undiscovered or unauthorized cross connection on the premises; (2) to eliminate existing connections between drinking water system and other sources of water that are not approved as safe and potable for humn consumption; (3) to elkinate cross connections between drinking water systems and other sources of water or process water used for any purpose which may jeopardize the safety of the drinking water supply; (4) and to prevent the making of cross connections in the future. The latest edition of the "Manual of Cross connection control procedures and Practices" prepared by the State of California, De-t of Health Services is also made part of these regulations. These regulations are adopted in accordance with Title 17 entitled "Regulations Relating to Cross Connections" of the State of California Adlministrative code. Sec. - -2 Definitions Unless otherwise defined herein, tenus shall be as adopted in the latest edition of "Manual of Cross Connection Control Prccedures and Practices" prepared by the State of California, Depxtmnt of Health Services. 1. App roved Water Supply. Any potable water supply approved by the health agencies of the State of California, San Joaquin County, and the City of Lodi. 2. Auxiliary Water Supply. Any water supply on or available to a premise other than the public potable water supplied by the City of Lodi. 3. Backflow. The flow of water or any other substance into the distribution pipes of a potable water supply system frm any other source than the public water system. either backpressure or backsiphonage. approved by the City of Lodi, designed to prevent backflow. Backflow can be caused by 4. Backflow Prevention Device. A device or mans, which has been 5. City. 6. Consmr or User. The City of Lodi, San Joaquin County, California. The owner or operator of a private water system having a service from a public water system. 7. contamination. An impairn;wt of the qyality of the potable water system by any foreign substance. between a potable water system and any source or system containing unapproved water or any other substance. 8. Cross Connection. An unprotected actual or potential connection 9. Hazard, Lkgree of. An evaluation of the actual or potential risk to public hblth and the adverse effect of the hazard upon the potable water system as determined by the City of Lodi. 10. Multiple Service. !hm or mre water service connections at a single premise. -1- 11. Premise. A parcel of real estate including any improvements thereon which is determined by the City to be a single user for purposes of receiving, using, and paying for service. the City of kdi fra the city wells to the consumrs' service connections. 12. Public Water System. The potable water supply system operated by 13. Service Connection. The terminal end of a service frm the public water system, i.e. where the City loses jurisdiction and sanitary control at its pint of delivery to the consumr's water system. ARTICLE 11. REGLWlTIONS Sec. - -3 Where Protection is Required 1. Each service connection to premises having an auxiliary water supply shall be protected aga)st backflow into the public water system. Each service connection to premises on which any substance is or my be handled such that entry into the on-site water system is possible shall be protected against backflm of the substance into the public water system. This shall include the handling of process waters and waters originating frm the public water system which have been subject to deterioration in quality. 3. Each service connection to any premises that have internal cross connections unless such cross connections are abated to the satisfaction of the City. Sec. - -4 Type of Protection The protective device required shall depend on the degree of hazard. In determining the degree of hazard and type of backflow prevention device to be required, the following criteria shall be used: 2. 1. 2. 3. 4. 5. 6. At the service connection to any premises where there is an auxiliary water supply handled in a separate piping system with no known or easily established cross connections, the public water supply shall be protected by a double check valve assembly. At the service connection to any premises where there is an auxiliary water supply where cross connections are known to exist which cannot be practically eliminated, or where the auxiliary water supply my be contaminated, the public water system shall be protected by an air gap separation or a reduced pressure principle backflow device. At the service connection to any premises on which a substance that muld be objectionable but not hazardous to health is handled in such a manner that may permit its entry into the water system, the public water system shall be protected by a double check valve assembly. At the service connection to any premises on which any rneterial dangerous to health, or toxic substances handled in toxic concentrations, is handled in such a manner that may permit its entry into the on-site water system, the public water system shall be protected by an air gap separation or a reduced pressure principle backflow device. At the service connection to any sewage treatxent plant, sewage pmping station, storm water pmps, or reclaimed water reuse areas, the public water system shall be protected by an air gap separation or a reduced pressure principle backflow device. At the service connection to hospitals, medical and dental facilities, nwrtwies, food or beverage processing facilities, chemical facilities, water systems with chemical additives, irrigation systems, laundries, laboratories, pet hospitals metal -2- processing facilities, petroleum or gas handling facilities, plating ' facilities, rubber facilities, cement or concrete mixing facilities, or other premises where the City determines that a special hazard exists, the public water system shall be protected by a backflow prevention device as determined by the wee of hazard. At all service connections to premises having a multiple service with no known cross connections or special hazards, the public watex system my be required to be protected by double check valves, and where there may be cross connections or special hazards, the public water system shall be protected by reduced pressure principle devices. 7. 8. Where a booster PUMP is installed on the service to any premise, such pump shall be equipped with regulating devices such that the inlet pressure will not fall below 10 psig. 9. New ccarmercial/industrial shell buildings with unlcnown future uses shall leave sufficient space (one foot per diameter-inch of service, plus one foot) after the mter box for possible future installation of a backflow prevention device. Sec. - -5 Responsibilities 1. It is the responsibility of the City to make the determination that a service connection, or the handliny of substances within the premises served, constitutes a hazard to the public water system and to determine the deyree of hazard and establish the requiremnts for protection. 2. It is the responsibility of the consuer, at his own expense, to install , maintain , and operate approved backflow prevention devices as directed by the City. The consmr shall be responsible to have tests made at least once a year, or mre often in those instances where successive tests indicate defective operation of the backflow prevention devices , by an approved backflow prevention device tester. The records of such tests, repairs, or overhauls shall be kept and copies suhitted to the City. It is also the responsibility of the cons- to prevent cross connections, or pollutants or contaminates from entering their potable water system(s). The consmr's responsibility begins at the service connection and shall include any and all on-premise water distribution piping. The consurer shall allow the Public Works Director or his agents ready access at all reasonable times to all parts of the premises for the purposes of inspection of either the consumx's water system or backflow prevention device (s) . Sec. - -6. Approval of Backflow Prevention Device Testers 1. The City shall maintain in a list of approved Backflow Device Testers. No person shall test and/or make reports of tests of backflow prevention devices unless the person's qualifications have been established to the satisfaction of the City. 2. Every person desiring to qualify as a Backflow Prevention Device Tester shall make application to the Public Works Depwt of the City, and shall have a current City of Lodi Business license. The City will evaluate the applicant's qualifications as a Backflow Prevention Device Tester. Any or all of the followiny may be considered in approving a Tester. a. b. c. d. 3. Certification as a Backflow Prevention Device Tester with the Awrican Water Works Association (AWWA). Carpletion of approved courses in Backflow Prevention Device Experience in Backflow Prevention Device Testing. Oral and/or performance evaluations conducted by the City. . Testing. -3- 4. Approval will be revoked from any tester who fails to cqly with any of these regulations or falsifies inspection or maintenance reports. Testers will not be eligible for reapproval for two years. m1CLE 111. m- - -7 Discontinuance of Service The City shall have the authority to discontinue water service to any premises where: 1) 2) 3) 4) unprotected cross connections are found to exist; a backflow prevention device has been altered, bypassed, or remved; a backflow prevention device has not been properly tested, maintained, or repaired; the consumr has not' taken proper action as determined by the City to be necessary to protect the potable water supply. The water service is to remain discontinued until such corrections are made. The consumr will be charged for the turning off and on of the water service an munt to be detennined by the City. AKrICLEIv. SEVERABILITY Where these regulations differ with State of California or San Joam County regulations the mre stringent shall apply. If any provisions of these regulations or the application to any person or circumstances is held invalid, the remainder of the regulations or the application of such provisions to other persons or circumstances shall not be affected. SECTION All ordinances and parts of ordinances in conflict herewith are repealed insofar as such conflict may exist. SECTION This ordinance shall be published one th? in the "Icdi News Sentinel", a daily newspaper of general circulation printed and published in the City of Lcdi and shall be in force and take effect thirty days from and after its passage and approval. Approved this 2nd day of April, 1986 Nan%? DAW M. HINCHMAN WOR Attest : ATiICEM. RE= City Clerk state of California County of San Joaquin, ss. I, Alice M. ReimChe, City Clerk of the City of Lodi, do hereby certify that Ordinance No. 1378 was introduced at a regular - n-eetbirig of the City--Council- of the eity of -I*xpi held-March 19, 1986 and was thereafter passed, adopted and ordered to print at a regular mting of said Council held April 2, 1986 by the following vote: Ayes : Council Members - Olson, Pinkerton, Reid, Snider, and Hinchmn (Mayor) Noes : Council Members - None Absent: Council Members - None Abstain: Council Members - None I further certify that Ordinance No. 1378 was approved and signed by the Mayor on the date of its passage and the same has been published pursuant to law. Bafu;oved as to form City Clerk City Attorney -5- I