CAIRO WATER DEPARTMENT
PWS ID: WV3304301 · CAIRO, West Virginia 26337
Population Served
339
Total Violations
210
Health-Based Violations
30
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 163
- County
- Ritchie
- School/Daycare
- No
- MCL Violations
- 23
- Monitoring Violations
- 147
- Treatment Tech Violations
- 7
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MR | 37 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 31 | 2023 |
| TTHM | MCL | 20 | 2017 |
| Coliform (TCR) | MR | 15 | 2004 |
| Revised Total Coliform Rule | MON | 14 | 2023 |
| Public Notice | Other | 13 | 2023 |
| Chlorine | MR | 12 | 2023 |
| Consumer Confidence Rule | Other | 8 | 2015 |
| Surface Water Treatment Rule | MR | 8 | 2021 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 4 | 2019 |
| Nitrate | MR | 4 | 2005 |
| Surface Water Treatment Rule | Other | 3 | 1995 |
| Coliform (TCR) | MCL | 3 | 2004 |
| Surface Water Treatment Rule | TT | 3 | 1995 |
| Long Term 2 Enhanced Surface Water Treatment Rule | Other | 3 | 2016 |
| Toxaphene | MR | 1 | 2002 |
| OXAMYL | MR | 1 | 2002 |
| 2,4,5-TP | MR | 1 | 2002 |
| Carbofuran | MR | 1 | 2002 |
| LASSO | MR | 1 | 2002 |
| HEXACHLOROBENZENE | MR | 1 | 2002 |
| Methoxychlor | MR | 1 | 2002 |
| Dinoseb | MR | 1 | 2002 |
| Endrin | MR | 1 | 2002 |
| Di(2-ethylhexyl) phthalate | MR | 1 | 2002 |
| Heptachlor | MR | 1 | 2002 |
| 2,4-D | MR | 1 | 2002 |
| BHC-GAMMA | MR | 1 | 2002 |
| Dalapon | MR | 1 | 2002 |
| ETHYLENE DIBROMIDE | MR | 1 | 2002 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.