Drinking Water Systems in HILLSBORO, Illinois
4 water systems are reported for this city, with a combined service population of 9,195. The systems have 13 EPA violation records in the five-year period ending June 30, 2026.
Water Systems Serving HILLSBORO
GRAHAM CORRECTIONAL SITE
2,155 served1 historical record
A
EJ WATER-MCWC
2,075 served14 historical records4 recent
D
HILLSBORO
4,402 served24 historical records6 recent
C
SCHRAM CITY
563 served10 historical records3 recent
C
EPA Contaminant Categories in Historical Violation Records
Coliform (TCR)9 records
Atrazine8 records
Haloacetic Acids (HAA5)7 records
Interim Enhanced Surface Water Treatment Rule6 records
Lead and Copper Rule4 records
Chloramine2 records
Nitrite2 records
Public Notice1 record
Toxaphene1 record
Nitrate1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.