A drinking water system must be flushed and disinfected before being placed in service after construction, repair, or modification and after an emergency situation, such as a flood, that might introduce contaminants into the system.
[Statutory Authority: RCW
43.20.050 and
43.20.145. WSR 21-01-122, § 246-215-05105, filed 12/15/20, effective 3/1/22; WSR 13-03-109, § 246-215-05105, filed 1/17/13, effective 5/1/13.]