AYERSVILLE WATER AND SEWER DISTRICT
PWS ID: OH2000903 · DEFIANCE, Ohio 43512-6985
Population Served
1,660
Total Violations
167
Health-Based Violations
120
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 628
- County
- Defiance
- School/Daycare
- No
- MCL Violations
- 120
- Monitoring Violations
- 36
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 120 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 17 | 2014 |
| TTHM | MR | 13 | 2014 |
| Consumer Confidence Rule | Other | 10 | 2024 |
| Lead and Copper Rule | MR | 4 | 1999 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 2 | 2010 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.