- (a) The O/O of a PWS using surface water or a combination of surface water and groundwater shall take a minimum of one sample at each sampling point specified in the sampling schedule established pursuant to Env-Dw 708.01.
(b) The sampling points specified in the schedule shall include every entry point to the distribution system:
- (1) After any application of treatment; or
- (2) In the distribution system at a point which is representative of each source after treatment.
- (c) The O/O of a system specified in (a), above, shall collect each sample at the specified sampling point. If the O/O believes that conditions make another sampling point more representative of each source or treatment plant, the O/O shall request a change in the sampling point pursuant to Env-Dw 708.04.
Source. #9700, eff 5-1-10; ss by #12668, eff 1-1-19