DAWSON
PWS ID: IL1670400 · DAWSON, Illinois 62520
Population Served
2,375
Total Violations
58
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 820
- County
- Sangamon
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 34
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 10 | 2014 |
| Lead and Copper Rule | MR | 8 | 2021 |
| Combined Radium (-226 and -228) | MR | 7 | 2025 |
| Consumer Confidence Rule | Other | 6 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2023 |
| TTHM | MR | 4 | 2023 |
| 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.