Drinking Water Systems in CLEARLAKE OAK, California
1 water system are reported for this city, with a combined service population of 2,359. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving CLEARLAKE OAK
EPA Contaminant Categories in Historical Violation Records
Lead and Copper Rule1 record
Nitrate1 record
Total Trihalomethanes (TTHMs)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.