Drinking Water Systems in DUNCANS MILLS, California
1 water system are reported for this city, with a combined service population of 82. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving DUNCANS MILLS
EPA Contaminant Categories in Historical Violation Records
Revised Total Coliform Rule2 records
Gross Alpha2 records
Total Trihalomethanes (TTHMs)1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.