SWEDONA WATER ASSOCIATION
PWS ID: IL1315200 · SHERRARD, Illinois 61281
Population Served
109
Total Violations
76
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 55
- County
- Mercer
- School/Daycare
- No
- MCL Violations
- 26
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 26 | 2010 |
| Coliform (TCR) | MR | 13 | 2005 |
| Chlorine | MR | 6 | 2017 |
| Consumer Confidence Rule | Other | 6 | 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.