PlainWater
States → Illinois

GRASS LAKE SCHOOL

PWS ID: IL3019638 · ANTIOCH, Illinois 60002

Population Served
300
Total Violations
94
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
Lake
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
86
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 29 2022
Arsenic MR 15 2005
LEAD AND COPPER RULE REVISIONS RPT 4 2024
LEAD AND COPPER RULE REVISIONS TT 4 2024
Carbofuran MR 2 2002
BHC-GAMMA MR 2 2002
Atrazine MR 2 2002
2,4,5-TP MR 2 2002
Pentachlorophenol MR 2 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2002
ETHYLENE DIBROMIDE MR 2 2002
Chlordane MR 2 2002
Toxaphene MR 2 2002
Endothall MR 2 2002
Glyphosate MR 2 2002
Simazine MR 2 2002
Methoxychlor MR 2 2002
Heptachlor epoxide MR 2 2002
LASSO MR 2 2002
Diquat MR 2 2002
Picloram MR 2 2002
Heptachlor MR 2 2002
OXAMYL MR 2 2002
Total Polychlorinated Biphenyls (PCB) MR 2 2002
2,4-D MR 2 2002
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.