Drinking Water Systems in DECATUR, Illinois

5 water systems are reported for this city, with a combined service population of 86,295. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.

Water Systems Serving DECATUR

HARRISTOWN

1,320 served10 historical records
A

LONG CREEK TOWNSHIP PWS

7,850 served5 historical records
A

DECATUR

76,122 served29 historical records1 recent
B

DECATUR MHP, LLC

500 served0 historical records
A

MISSISSIPPI MANUFACTURED HOME COMMUNITY

503 served0 historical records
A

EPA Contaminant Categories in Historical Violation Records

Nitrate20 records
Surface Water Treatment Rule6 records
Lead and Copper Rule4 records
Gross Alpha3 records
Coliform (TCR)2 records
Total Trihalomethanes (TTHMs)2 records
Haloacetic Acids (HAA5)2 records
Chlorine1 record
Chloramine1 record
Bromate1 record

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