PAWNEE
PWS ID: OK1021209 · PAWNEE, Oklahoma 74058-2036
Population Served
2,230
Total Violations
1,302
Health-Based Violations
864
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,034
- County
- Pawnee
- School/Daycare
- No
- MCL Violations
- 455
- Monitoring Violations
- 414
- Treatment Tech Violations
- 409
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 321 | 2024 |
| Interim Enhanced Surface Water Treatment Rule | TT | 253 | 2012 |
| Total Haloacetic Acids (HAA5) | MCL | 134 | 2009 |
| CARBON, TOTAL | TT | 105 | 2013 |
| Interim Enhanced Surface Water Treatment Rule | MR | 66 | 2025 |
| Surface Water Treatment Rule | TT | 50 | 2025 |
| Surface Water Treatment Rule | MR | 39 | 2024 |
| TTHM | MR | 24 | 2024 |
| CARBON, TOTAL | MR | 23 | 2004 |
| Lead and Copper Rule | MR | 19 | 2020 |
| Chlorine | MR | 17 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 14 | 2022 |
| Coliform (TCR) | MR | 12 | 2005 |
| Consumer Confidence Rule | Other | 9 | 2024 |
| Nitrate-Nitrite | MR | 8 | 2008 |
| E. COLI | MR | 6 | 2024 |
| Arsenic | MR | 4 | 2007 |
| Endrin | MR | 4 | 2023 |
| BHC-GAMMA | MR | 4 | 2023 |
| Toxaphene | MR | 4 | 2023 |
| Endothall | MR | 4 | 2023 |
| OXAMYL | MR | 4 | 2023 |
| Picloram | MR | 4 | 2023 |
| Dinoseb | MR | 4 | 2023 |
| Hexachlorocyclopentadiene | MR | 4 | 2023 |
| Atrazine | MR | 4 | 2023 |
| Heptachlor | MR | 4 | 2023 |
| Heptachlor epoxide | MR | 4 | 2023 |
| 2,4-D | MR | 4 | 2023 |
| 2,4,5-TP | MR | 4 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.