Drinking Water Systems in DEKALB, Illinois

3 water systems are reported for this city, with a combined service population of 46,820. The systems have 3 EPA violation records in the five-year period ending June 30, 2026.

Water Systems Serving DEKALB

DONNY BROOK ESTATES SUBDIVISION

30 served22 historical records1 recent
B

DEKALB

40,290 served15 historical records2 recent
B

NORTHERN ILLINOIS UNIVERSITY-DEKALB

6,500 served9 historical records
A

EPA Contaminant Categories in Historical Violation Records

Coliform (TCR)10 records
Radium-2266 records
Lead and Copper Rule4 records
Revised Total Coliform Rule2 records
Gross Alpha2 records
Chlorine2 records
Consumer Confidence Rule2 records
Vinyl Chloride1 record
trans-1,2-Dichloroethylene1 record
1,2-Dichloroethane1 record

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