Drinking Water Systems in DARIEN, Illinois

7 water systems are reported for this city, with a combined service population of 35,146. The systems have 11 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving DARIEN

YORK TOWNSHIP WATER SYSTEM

1,423 served57 historical records1 recent
B

SOUTHEAST REGIONAL WATER FACILITY

6,940 served2 historical records1 recent
B

GLEN ELLYN HEIGHTS SUBDIVISION

1,931 served9 historical records7 recent
C

HOBSON VALLEY WATER SYSTEM

400 served1 historical record
A

STEEPLE RUN SBDV

1,931 served5 historical records1 recent
B

NORTH REGIONAL WATER FAC

770 served31 historical records
A

DARIEN

21,751 served2 historical records1 recent
B

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)27 records
Lead and Copper Rule13 records
Consumer Confidence Rule5 records
Nitrate4 records
Gross Alpha3 records
Carbofuran2 records
Chlordane2 records
Public Notice2 records
OXAMYL2 records
Arsenic2 records

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