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- The customer shall install all backflow prevention assemblies required by the District to protect the potable water system in accordance with WAC 246-290-490. The customer agrees to maintain and test said assemblies in proper working order. The assemblies shall be of a type, size, and make approved by the District and the Washington State Department of Health. The assemblies shall be installed in accordance with all standards established by the District.
- The customer shall install and maintain at all times their plumbing system in compliance with the most current edition of the plumbing code having jurisdiction as it pertains to the prevention of water system contamination. The customer shall notify the District before any additions or changes are made to their plumbing system that might adversely affect the proper operation of the backflow device.
- All backflow prevention assemblies shall be installed on the customer's service line near the water meter location. Alternative locations may be approved by the District if there are arrangements to provide free access for authorized District employees to all parts of the customer's premises to which water is supplied during reasonable working hours of the day for routine inspections, and at all times during emergencies.
- The customer shall indemnify and hold harmless the District for all contamination of the customer's plumbing system or other customers' plumbing systems and/or the District's potable water system that results from an unprotected or inadequately protected cross-connection within their premises. This indemnification shall pertain to all backflow conditions that may arise.
- For additional information, please refer to the District's Cross-Connection Control Policy.
