PlainWater

ST JACOB

PWS ID: IL1190950 · ST. JACOB, Illinois 62281

Population Served
1,835
Total Violations
73
Health-Based Violations
18
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
738
County
Madison
School/Daycare
No
MCL Violations
12
Monitoring Violations
38
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MR 8 2024
Combined Radium (-226 and -228) MCL 6 2005
TTHM MCL 6 2019
Coliform (TCR) MR 4 2009
Long Term 2 Enhanced Surface Water Treatment Rule TT 4 2014
Chlorine MR 4 2009
Consumer Confidence Rule Other 4 2025
p-Dichlorobenzene MR 3 1991
1,2-Dichloroethane MR 3 1991
Carbon tetrachloride MR 3 1991
Trichloroethylene MR 3 1991
1,1,1-Trichloroethane MR 3 1991
Benzene MR 3 1991
1,1-Dichloroethylene MR 3 1991
LEAD AND COPPER RULE REVISIONS TT 2 2024
LEAD AND COPPER RULE REVISIONS RPT 2 2025
Gross Alpha, Excl. Radon and U MR 1 1977
Public Notice Other 1 2025
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.