LANGSTON PWA
PWS ID: OK1020911 · LANGSTON, Oklahoma 73050
Population Served
1,670
Total Violations
515
Health-Based Violations
320
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 179
- County
- Logan
- School/Daycare
- No
- MCL Violations
- 207
- Monitoring Violations
- 55
- Treatment Tech Violations
- 113
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 149 | 2021 |
| CARBON, TOTAL | TT | 63 | 2007 |
| Total Haloacetic Acids (HAA5) | MCL | 52 | 2008 |
| Interim Enhanced Surface Water Treatment Rule | TT | 45 | 2008 |
| Coliform (TCR) | MR | 13 | 1998 |
| Lead and Copper Rule | MR | 13 | 2009 |
| Surface Water Treatment Rule | MR | 9 | 2024 |
| Coliform (TCR) | MCL | 6 | 2010 |
| Total Haloacetic Acids (HAA5) | MR | 5 | 2004 |
| Surface Water Treatment Rule | TT | 5 | 2001 |
| TTHM | MR | 5 | 2004 |
| Chlorine | MR | 4 | 2025 |
| Consumer Confidence Rule | Other | 3 | 2025 |
| Revised Total Coliform Rule | MON | 3 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | MR | 3 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.