Drinking Water Systems in POMONA, California

2 water systems are reported for this city, with a combined service population of 181,567. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.

Water Systems Serving POMONA

EPA Contaminant Categories in Historical Violation Records

Total Trihalomethanes (TTHMs)2 records
Benzene1 record
1,1-Dichloroethylene1 record
1,1,2-Trichloroethane1 record
Tetrachloroethylene (PCE)1 record
LEAD AND COPPER RULE REVISIONS1 record
Toluene1 record
1,1,1-Trichloroethane1 record
Chloramine1 record
1,2-Dichloroethane1 record

Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.