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.