Drinking Water Systems in COLUSA, California
1 water system are reported for this city, with a combined service population of 6,447. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving COLUSA
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)1 record
Revised Total Coliform Rule1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.