The public water supply exceeded the Maximum Contaminant Level (MCL) for total trihalomethanes and failed to increase monitoring to one sample quarterly. The Administrative Order requires the Respondent to 1) submit copies of monitoring data obtained since July 2012, 2) conduct quarterly monitoring for four quarters during the months of July 2013, October 2013, January 2014, April 2014 and submit the monitoring results to EPA and VIDPNR, 3) continue to monitor in accordance with 40 CFR Part 141 Subpart L, and 4) comply with public notice requirements. Injunctive relief assumes the cost of sampling, analysis and public notice.