246-291-210  <<  246-291-220 >>   246-291-250

WAC 246-291-220

Group B system disinfection.

(1) A purveyor shall disinfect a Group B system before providing service to any consumer.
(2) The water system disinfection procedures must conform to the following standards:
(a) AWWA C651-05 or APWA/WSDOT (2010 revision), for water main disinfection;
(b) AWWA C652-02, for reservoir disinfection; and
(c) AWWA C654-03, for well disinfection.
[Statutory Authority: RCW 43.20.050 and chapter 70.119A RCW. WSR 12-24-070, ยง 246-291-220, filed 12/4/12, effective 1/1/14. Statutory Authority: RCW 43.20.050. WSR 94-14-002, ยง 246-291-220, filed 6/22/94, effective 7/23/94.]
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