Issuing Entity: Washington state department of health, division of environmental health, office of drinking water.
Description: This policy sets direction under chapter 246-290 WAC for the backflow protection requirements for service connections to residential and nonresidential premises with wastewater pumps. Group A water system purveyors must develop and implement cross connection control programs to protect public water systems from contamination. Premises isolation requirements apply to nonresidential and residential (as defined in the policy) connections with high-health hazards.
Office Contact: Terri Notestine, Cross Connection Control Program Manager, Department of Health, Office of Drinking Water, 7211 Cleanwater Lane, Building 9, P.O. Box 47822, Olympia, WA 98504-7822.
Effective Date: February 17, 2006.
Denise A. Clifford