4-1-3: RESPONSIBILITY:
   A.    Murphy Water System:
      1.    Protection Of Drinking Water Distribution System: The Murphy water system shall be responsible for the protection of the drinking water distribution system from foreseeable conditions leading to the possible contamination or pollution of the drinking water system due to the backflow of contaminants or pollutants into the drinking water supply.
      2.    Drinking Water System Surveys/Inspections: Drinking water system surveys/inspections of the consumer's water distribution system(s) shall be conducted or caused to be conducted by individuals deemed qualified by and representing the Murphy water system. Survey records shall indicate compliance with the aforementioned health and safety standards. All such records will be maintained by the Murphy water system.
      3.    Notice To Customers: The Murphy water system shall notify, in writing, all consumers of the need for the periodic system survey to ensure compliance with existing applicable minimum health and safety standards.
      4.    Selection Of Approved Backflow Prevention Assembly: Selection of an approved backflow prevention assembly for containment control required at the service entrance shall be determined from the results of the system survey.
   B.    Consumer:
      1.    Compliance: To comply with this chapter as a term and condition of supply and consumer's acceptance of service is admittance of his/her awareness.
      2.    Purchase, Install, Test And Maintain Device/Assembly: It shall be the responsibility of the consumer to purchase, install, test and maintain any backflow prevention device/assembly required to comply with this chapter.
   C.    Plumbing Official:
      1.    Enforce Plumbing Code: The plumbing official's responsibility to enforce the applicable sections of the plumbing code begins at the point of service (downstream or consumer side of the meter) and continues throughout the developed length of the consumer's water system.
      2.    Review All Plans: The plumbing official will review all plans to ensure that unprotected cross connections are not an integral part of the consumer's water system. If a cross connection cannot be eliminated, it must be protected by the installation of an air gap or an approved backflow prevention device/assembly, in accordance with the state plumbing code.
      3.    Water Vacating Drinking Water Supply: Water vacating the drinking water supply must do so via approved air gap or approved mechanical backflow prevention assembly, properly installed and in accordance with the state plumbing code.
   D.    Certified Backflow Assembly Technicians, Surveyors Or Repair Persons: Whether employed by the consumer or a utility to survey, test, repair, or maintain backflow prevention assemblies, the certified backflow technicians, surveyors or repair persons will have the following responsibilities:
      1.    Responsibilities:
         a.    Ensuring acceptable testing equipment and procedures are used for testing, repairing or overhauling backflow prevention assemblies.
         b.    Make sure of such testing and/or repair to the consumer and water purveyor.
         c.    The report shall include the list of materials or replacement parts used.
         d.    Ensuring replacement parts are equal in quality to parts originally supplied by the manufacturer of the assembly being repaired.
         e.    Not changing the design, material or operational characteristics of the assembly during testing, repair or maintenance.
         f.    A certified technician shall perform all tests of the mechanical devices/assemblies and be responsible for the competence and accuracy of all tests and reports.
         g.    Ensuring their license is current, the testing equipment being used is acceptable to the state, and is in proper operating condition.
         h.    Be equipped with, and be competent to use, all necessary tools, gauges, and other equipment necessary to properly test, and maintain backflow prevention assemblies.
         i.    The certified technician conducting the test must tag each double check valve, pressure vacuum breaker, reduced pressure backflow assembly and high hazard air gap, showing the serial number, date tested and by whom.
      2.    Consumer Requiring Commercially Available Technician: In the case of a consumer requiring a commercially available technician, any certified technician is authorized to make the test and report the results of that test to the consumer and water purveyor. (Ord. 02-06A, 10-21-2002, eff. 10-30-2002)