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Article XI. Cross Connection

The purpose of this article is to protect the district’s potable water supply against actual or potential cross connections by isolating, within the property, contamination or pollution that may occur because of undiscovered or unauthorized cross connections on the property. The provisions set forth in this article are in accordance with Cal. Code Regs. tits. 17 and 22.

The provisions set forth in this article shall be in addition to and not in lieu of the controls and requirements of other provisions of these regulations or of other regulatory agencies, such as local governmental agencies and local and state health departments but may report same to other appropriated agencies if discovered. The district is not responsible for abatement of cross connections which may exist within the customer’s property.

The district has developed an active cross connection control program with a certified cross connection control program coordinator to administer the program. Any questions or notifications regarding cross connections shall be directed to the coordinator.

The district will evaluate the degree of potential health hazard to the public potable water supply which may be created as a result of conditions proposed on an applicant’s property or existing on a customer’s property. At a minimum, the district’s evaluation shall consider the existence of cross connections; the nature of materials handled on the property; the probability of cross connection occurring; the degree of piping system complexity and the potential for piping system modifications. Special consideration shall be given to the property of the following types of customers:

A. Properties where substances harmful to health are handled under pressure in a manner which could permit their entry into the public water system. This includes chemical or biological process waters and water from public water supplies which have deteriorated in sanitary quality.

B. Properties having an auxiliary water supply such as recycled water or nonpotable water. If the auxiliary water supply is approved for potable use by the public health agency having jurisdiction, cross connection protection is not required.

C. Properties that have internal cross connections that are not abated to the satisfaction of the district and approved by the public health agency.

D. Properties having intricate plumbing and piping arrangements or where not all portions of the property are readily accessible for inspection purposes.

E. Properties having a repeated history of cross connections being established or reestablished.

From time to time, representatives of any public health agency having jurisdiction and/or the district may conduct inspections of any property where domestic water service is provided by the district. The purpose of the inspections would be to determine if any actual or potential cross connections exist. The customer shall provide reasonable cooperation in facilitating such inspections. (Ord. 1399.12 § 11-1, 2017)

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