- (a) The O/O of a community water system or non-transient, non-community water system shall initially monitor for the health-related regulated volatile organic chemical (VOC) contaminants listed in Env-Dw 705.01 on a quarterly basis for one year.
- (b) If no contaminant listed in Env-Dw 705.01 is detected at a PWS during the first year, the O/O shall thereafter monitor annually.
- (c) If one or more contaminants monitored pursuant to (a), above, is detected during the first year, the O/O shall continue to monitor quarterly, subject to (d), below, and Env-Dw 712.05.
- (d) If the monitoring conducted during the first year reveals variations in the source(s) or within the system, the O/O shall increase the monitoring frequency to the frequency that is necessary to accurately identify consumer exposure to the contaminants listed in Env-Dw 705.01.
Source. #9700, eff 5-1-10; ss by #12668, eff 1-1-19 (formerly Env-Dw 712.01)