ASSUMPTION
PWS ID: IL0210050 · ASSUMPTION, Illinois 62510
Population Served
1,315
Total Violations
53
Health-Based Violations
20
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 622
- County
- Christian
- School/Daycare
- No
- MCL Violations
- 18
- Monitoring Violations
- 25
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 12 | 2024 |
| TTHM | MR | 9 | 2023 |
| Nitrate | MR | 9 | 2024 |
| Nitrate | MCL | 6 | 2019 |
| Public Notice | Other | 4 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| Consumer Confidence Rule | Other | 2 | 2020 |
| Chlorine | MR | 2 | 2006 |
| 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.