TISHOMINGO MUNICIPAL AUTHORITY
PWS ID: OK1010815 · TISHOMINGO, Oklahoma 73460
Population Served
3,000
Total Violations
275
Health-Based Violations
132
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 1,219
- County
- Johnston
- School/Daycare
- No
- MCL Violations
- 35
- Monitoring Violations
- 119
- Treatment Tech Violations
- 97
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | TT | 49 | 2024 |
| CARBON, TOTAL | MR | 39 | 2012 |
| Total Haloacetic Acids (HAA5) | MCL | 25 | 2014 |
| CARBON, TOTAL | TT | 24 | 2014 |
| Coliform (TCR) | MR | 23 | 2008 |
| Surface Water Treatment Rule | TT | 13 | 2025 |
| TTHM | MR | 13 | 2013 |
| Chlorine | MR | 13 | 2021 |
| Lead and Copper Rule | MR | 11 | 2025 |
| Coliform (TCR) | MCL | 9 | 2013 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 9 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2013 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Asbestos | MR | 4 | 2021 |
| Interim Enhanced Surface Water Treatment Rule | MR | 4 | 2025 |
| Revised Total Coliform Rule | MON | 4 | 2021 |
| Lead and Copper Rule | TT | 2 | 2011 |
| TTHM | MCL | 1 | 2014 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.