LENAPAH PUBLIC WORKS AUTHORITY
PWS ID: OK1021501 · LENAPAH, Oklahoma 74042-0130
Population Served
298
Total Violations
520
Health-Based Violations
422
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 145
- County
- Nowata
- School/Daycare
- No
- MCL Violations
- 353
- Monitoring Violations
- 63
- Treatment Tech Violations
- 69
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 312 | 2023 |
| CARBON, TOTAL | TT | 51 | 2007 |
| Total Haloacetic Acids (HAA5) | MCL | 32 | 2005 |
| Interim Enhanced Surface Water Treatment Rule | MR | 17 | 2020 |
| Interim Enhanced Surface Water Treatment Rule | TT | 14 | 2019 |
| Nitrate-Nitrite | MR | 10 | 2008 |
| Coliform (TCR) | MCL | 9 | 1998 |
| CARBON, TOTAL | MR | 8 | 2004 |
| Consumer Confidence Rule | Other | 7 | 2017 |
| TTHM | MR | 6 | 2023 |
| Chlorine | MR | 5 | 2018 |
| Revised Total Coliform Rule | MON | 5 | 2018 |
| Surface Water Treatment Rule | TT | 4 | 2001 |
| Lead and Copper Rule | MR | 3 | 2013 |
| Atrazine | MR | 3 | 2013 |
| Surface Water Treatment Rule | MR | 2 | 1999 |
| 2,4-D | MR | 2 | 2011 |
| Coliform (TCR) | MR | 2 | 1997 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.