Drinking Water Systems in NORCO, California
2 water systems are reported for this city, with a combined service population of 29,368. The systems have 34 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving NORCO
NORCO, CITY OF
25,068 served54 historical records34 recent
D
CALIFORNIA REHABILITATION CENTER - NORCO
4,300 served20 historical records
A
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)11 records
Total Trihalomethanes (TTHMs)9 records
Nitrate5 records
Arsenic3 records
Benzene3 records
Fluoride2 records
Groundwater Rule2 records
Haloacetic Acids (HAA5)2 records
Barium1 record
Cadmium1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.