Drinking Water Systems in RANCHO CUCAMONGA, Arizona
1 water system are reported for this city, with a combined service population of 450. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving RANCHO CUCAMONGA
EPA Contaminant Categories in Historical Violation Records
Arsenic3 records
Lead and Copper Rule2 records
Consumer Confidence Rule1 record
Revised Total Coliform Rule1 record
1,1,2-Trichloroethane1 record
Tetrachloroethylene1 record
Benzene1 record
1,1-Dichloroethylene1 record
Tetrachloroethylene (PCE)1 record
1,2-Dichloropropane1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.