BARNSDALL
PWS ID: OK1021304 · BARNSDALL, Oklahoma 74002-0879
Population Served
1,243
Total Violations
2,431
Health-Based Violations
1,929
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 502
- County
- Osage
- School/Daycare
- No
- MCL Violations
- 1,055
- Monitoring Violations
- 449
- Treatment Tech Violations
- 874
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 628 | 2025 |
| CARBON, TOTAL | TT | 555 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 422 | 2023 |
| Interim Enhanced Surface Water Treatment Rule | MR | 171 | 2024 |
| Interim Enhanced Surface Water Treatment Rule | TT | 168 | 2025 |
| Surface Water Treatment Rule | TT | 149 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 65 | 2025 |
| TTHM | MR | 63 | 2025 |
| Chlorine | MR | 33 | 2024 |
| Coliform (TCR) | MR | 28 | 2015 |
| CARBON, TOTAL | MR | 28 | 2023 |
| Lead and Copper Rule | MR | 20 | 2024 |
| Nitrate-Nitrite | MR | 20 | 2018 |
| Revised Total Coliform Rule | MON | 18 | 2024 |
| Coliform (TCR) | MCL | 5 | 2005 |
| Consumer Confidence Rule | Other | 4 | 2017 |
| Surface Water Treatment Rule | MR | 3 | 2002 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.