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States → Illinois

PRAIRIE GROVE SCHOOL

PWS ID: IL3062398 · CRYSTAL LAKE, Illinois 60014

Population Served
1,050
Total Violations
147
Health-Based Violations
8
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
McHenry
School/Daycare
Yes
MCL Violations
8
Monitoring Violations
129
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 53 2024
Coliform (TCR) MR 30 2010
Coliform (TCR) MCL 8 2008
Public Notice Other 8 2023
Lead and Copper Rule MR 3 2016
BHC-GAMMA MR 2 2002
Endothall MR 2 2002
Atrazine MR 2 2002
LASSO MR 2 2002
Heptachlor MR 2 2002
Heptachlor epoxide MR 2 2002
2,4,5-TP MR 2 2002
Pentachlorophenol MR 2 2002
Total Polychlorinated Biphenyls (PCB) MR 2 2002
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2002
Chlordane MR 2 2002
2,4-D MR 2 2002
Diquat MR 2 2002
Picloram MR 2 2002
OXAMYL MR 2 2002
Methoxychlor MR 2 2002
Carbofuran MR 2 2002
Simazine MR 2 2002
ETHYLENE DIBROMIDE MR 2 2002
Glyphosate MR 2 2002
Toxaphene MR 2 2002
Nitrate MR 1 2018
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.