TRI-COUNTY WATER AUTHORITY
PWS ID: OH3401403 · HARRISVILLE, Ohio 43972
Population Served
2,370
Total Violations
17
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 783
- County
- Harrison
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | MON | 4 | 2022 |
| Coliform (TCR) | MR | 3 | 1994 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2008 |
| TTHM | MR | 2 | 2008 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 2 | 2010 |
| Public Notice | Other | 2 | 2023 |
| Consumer Confidence Rule | Other | 1 | 2009 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.