COPAN PWA
PWS ID: OK1021417 · COPAN, Oklahoma 74022
Population Served
733
Total Violations
408
Health-Based Violations
173
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 357
- County
- Washington
- School/Daycare
- No
- MCL Violations
- 121
- Monitoring Violations
- 203
- Treatment Tech Violations
- 52
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 97 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 66 | 2025 |
| CARBON, TOTAL | MR | 30 | 2024 |
| Chlorine | MR | 30 | 2024 |
| Surface Water Treatment Rule | TT | 29 | 2025 |
| Coliform (TCR) | MR | 26 | 2006 |
| TTHM | MR | 24 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 24 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | TT | 22 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2025 |
| Revised Total Coliform Rule | MON | 8 | 2024 |
| Public Notice | Other | 6 | 2025 |
| Lead and Copper Rule | MR | 4 | 2024 |
| Surface Water Treatment Rule | MR | 3 | 1999 |
| Consumer Confidence Rule | Other | 3 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.