WELCH PWA
PWS ID: OK2001801 · WELCH, Oklahoma 74369
Population Served
800
Total Violations
554
Health-Based Violations
259
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 406
- County
- Craig
- School/Daycare
- No
- MCL Violations
- 259
- Monitoring Violations
- 262
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 213 | 2024 |
| Gross Alpha, Excl. Radon and U | MCL | 30 | 2019 |
| Combined Uranium | MR | 20 | 2018 |
| Gross Beta Particle Activity | MR | 20 | 2018 |
| Gross Alpha, Excl. Radon and U | MR | 20 | 2018 |
| Combined Radium (-226 and -228) | MR | 20 | 2018 |
| Coliform (TCR) | MR | 17 | 2009 |
| Lead and Copper Rule | MR | 11 | 2025 |
| Coliform (TCR) | MCL | 10 | 1993 |
| Fluoride | MCL | 6 | 1983 |
| Endrin | MR | 4 | 2024 |
| Methoxychlor | MR | 4 | 2024 |
| Diquat | MR | 4 | 2024 |
| Endothall | MR | 4 | 2024 |
| Glyphosate | MR | 4 | 2024 |
| Di(2-ethylhexyl) adipate | MR | 4 | 2024 |
| Simazine | MR | 4 | 2024 |
| Dinoseb | MR | 4 | 2024 |
| Hexachlorocyclopentadiene | MR | 4 | 2024 |
| Atrazine | MR | 4 | 2024 |
| Heptachlor epoxide | MR | 4 | 2024 |
| 2,4,5-TP | MR | 4 | 2024 |
| HEXACHLOROBENZENE | MR | 4 | 2024 |
| Pentachlorophenol | MR | 4 | 2024 |
| ETHYLENE DIBROMIDE | MR | 4 | 2024 |
| OXAMYL | MR | 4 | 2024 |
| Heptachlor | MR | 4 | 2024 |
| Dalapon | MR | 4 | 2024 |
| Picloram | MR | 4 | 2024 |
| Di(2-ethylhexyl) phthalate | MR | 4 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.