Drinking Water Systems in SIOUX CITY, Iowa
2 water systems are reported for this city, with a combined service population of 85,824. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving SIOUX CITY
SIOUX CITY WATER SUPPLY
85,791 served26 historical records1 recent
B
BEREA HEIGHTS INC
33 served0 historical records
A
EPA Contaminant Categories in Historical Violation Records
Surface Water Treatment Rule4 records
Coliform (TCR)3 records
Interim Enhanced Surface Water Treatment Rule2 records
Total Trihalomethanes (TTHMs)2 records
Gross Alpha1 record
Nitrate1 record
Barium1 record
Chromium1 record
Fluoride1 record
Beryllium1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.