TILLMAN CO RWD #1
PWS ID: OK2007107 · CHATTANOOGA, Oklahoma 73528
Population Served
1,500
Total Violations
257
Health-Based Violations
149
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 657
- County
- Tillman
- School/Daycare
- No
- MCL Violations
- 148
- Monitoring Violations
- 87
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 54 | 2015 |
| Nitrate | MCL | 49 | 2000 |
| Nitrate-Nitrite | MCL | 38 | 2025 |
| Nitrate-Nitrite | MR | 18 | 2016 |
| Chlorine | MR | 16 | 2024 |
| Coliform (TCR) | MR | 14 | 2012 |
| TTHM | MR | 14 | 2017 |
| Total Haloacetic Acids (HAA5) | MR | 12 | 2017 |
| Coliform (TCR) | MCL | 7 | 2013 |
| Consumer Confidence Rule | Other | 4 | 2014 |
| Revised Total Coliform Rule | MON | 4 | 2023 |
| LASSO | MR | 4 | 2014 |
| E. COLI | MR | 3 | 2023 |
| Lead and Copper Rule | MR | 2 | 1994 |
| 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.