The requirements of 40 C.F.R. 141.400 - 141.405 (Subpart S - ground water rule), adopted by reference in 18 AAC 80.010(a), apply to a community water system, non-transient noncommunity water system, or transient non-community water system that uses, as its water source, groundwater that is not combined with surface water or GWUDISW before treatment.

(Eff. 5/20/2011, Register 198)

Authority: AS 46.03.020, AS 46.03.050, AS 46.03.710, AS 46.03.720