ADAIR CO RWD #5
PWS ID: OK1021770 · WESTVILLE, Oklahoma 74965
Population Served
675
Total Violations
648
Health-Based Violations
19
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 624
- County
- Adair
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 600
- Treatment Tech Violations
- 19
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | MR | 393 | 2024 |
| CARBON, TOTAL | MR | 53 | 2025 |
| TTHM | MR | 36 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 34 | 2025 |
| Surface Water Treatment Rule | MR | 31 | 2004 |
| Coliform (TCR) | MR | 13 | 2009 |
| Interim Enhanced Surface Water Treatment Rule | Other | 12 | 2015 |
| Chlorine | MR | 11 | 2024 |
| Lead and Copper Rule | MR | 9 | 2024 |
| Revised Total Coliform Rule | MON | 8 | 2024 |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | 7 | 2010 |
| CARBON, TOTAL | TT | 7 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | TT | 6 | 2024 |
| Consumer Confidence Rule | Other | 5 | 2023 |
| Nitrate-Nitrite | MR | 5 | 2023 |
| Surface Water Treatment Rule | TT | 4 | 1994 |
| Public Notice | Other | 4 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.