Certification of backflow assembly testers and cross-connection control specialists.

RCW 70A.120.170
in effect
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(1) Backflow assembly testers and cross-connection control specialists must hold a valid certificate and must be certified as provided by rule as adopted under the authority of RCW 70A.120.050 . (2) Backflow assembly testers who maintain or repair backflow assemblies, devices, or air gaps inside a building are subject to certification under chapter 18.106 RCW. (1) Backflow assembly testers and cross-connection control specialists must hold a valid certificate and must be certified as provided by rule as adopted under the authority of RCW 70A.120.050 . (2) Backflow assembly testers who maintain or repair backflow assemblies, devices, or air gaps inside a building are subject to certification under chapter 18.106 RCW.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=70A.120&full=trueFetched: 6/29/2026

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