POTTAWATOMIE COUNTY RWD #3
PWS ID: OK1020807 · SHAWNEE, Oklahoma 74801
Population Served
560
Total Violations
297
Health-Based Violations
175
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 1,107
- County
- Pottawatomie
- School/Daycare
- No
- MCL Violations
- 167
- Monitoring Violations
- 122
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 95 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 72 | 2025 |
| TTHM | MR | 37 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 34 | 2013 |
| Interim Enhanced Surface Water Treatment Rule | MR | 12 | 2005 |
| Coliform (TCR) | MR | 12 | 2006 |
| Interim Enhanced Surface Water Treatment Rule | TT | 4 | 2007 |
| Lead and Copper Rule | MR | 4 | 2007 |
| BHC-GAMMA | MR | 4 | 2024 |
| Surface Water Treatment Rule | TT | 4 | 2003 |
| Nitrate | MR | 4 | 2003 |
| Methoxychlor | MR | 3 | 2024 |
| Heptachlor epoxide | MR | 3 | 2024 |
| HEXACHLOROBENZENE | MR | 3 | 2024 |
| Heptachlor | MR | 3 | 2024 |
| Endrin | MR | 3 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.