(1) Cross-Connections. The installation or maintenance of a cross-connection, which is contrary to or in violation of current Washington State statutes or administrative regulations, or the provisions of the Uniform Plumbing Code as adopted by the City of Pasco, is prohibited. Any such cross-connection now existing or hereafter installed is declared a nuisance and shall be abated. The water supply will be discontinued to any premises for failure to comply with the provisions of this section and will not be reestablished until compliance is approved by the Director.

(2) Service from the City of Pasco water supply system to any premises upon which a private water supply system is used or operated contrary to the provisions of the rules and regulations of the State Department of Health regarding public water supplies may be discontinued or refused upon order of the Director.

(3) Furnishing of any service shall be contingent upon the installation of a backflow prevention device approved by the State of Washington Department of Health for the protection of the City water supply from cross-connection contamination.

(4) For residential properties requiring a backflow prevention device, which are not in compliance as of July 2010, the following deadlines for full compliance shall apply (see map below for area boundaries):