The following requirements apply to all contaminant monitoring performed by public water systems:
- (1) The department may determine compliance or initiate enforcement action based on analytical results;
- (2) Each water system shall monitor at the time designated by the department within each compliance period;
- (3) Systems may apply to the department to conduct more frequent monitoring than the minimum monitoring frequencies specified; and
- (4) The department may increase the required monitoring frequencies if necessary to detect variations within a system such as fluctuations in concentration due to seasonal use or changes in water sources, or to characterize water system contamination.
Source: 31 SDR 21, effective August 24, 2004.
General Authority: SDCL 34A-3A-3.
Law Implemented: SDCL 34A-3A-3(2).