NOKOMIS
PWS ID: IL1350450 · NOKOMIS, Illinois 62075
Population Served
2,370
Total Violations
39
Health-Based Violations
30
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,183
- County
- Montgomery
- School/Daycare
- No
- MCL Violations
- 30
- Monitoring Violations
- 3
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Trichloroethylene | MCL | 30 | 1996 |
| Nitrate | MR | 2 | 2019 |
| Consumer Confidence Rule | Other | 2 | 2009 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1977 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.