HANNA PWA
PWS ID: OK2004902 · HANNA, Oklahoma 74845
Population Served
133
Total Violations
169
Health-Based Violations
9
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 103
- County
- McIntosh
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 111
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 49 | 2015 |
| E. COLI | MR | 16 | 2025 |
| Consumer Confidence Rule | Other | 16 | 2022 |
| Coliform (TCR) | MCL | 8 | 2014 |
| Combined Radium (-226 and -228) | MR | 7 | 2003 |
| Gross Beta Particle Activity | MR | 7 | 2003 |
| Gross Alpha, Excl. Radon and U | MR | 7 | 2003 |
| Arsenic | MR | 7 | 2008 |
| Lead and Copper Rule | MR | 5 | 2017 |
| Chlorine | MR | 5 | 2025 |
| Nitrate | MR | 4 | 2003 |
| TTHM | MR | 4 | 2004 |
| 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.