OTTAWA CO RWD # 3
PWS ID: OK2005806 · QUAPAW, Oklahoma 74363
Population Served
140
Total Violations
368
Health-Based Violations
16
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 71
- County
- Ottawa
- School/Daycare
- No
- MCL Violations
- 15
- Monitoring Violations
- 280
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 97 | 2014 |
| Consumer Confidence Rule | Other | 33 | 2025 |
| Lead and Copper Rule | MR | 32 | 2025 |
| Nitrate-Nitrite | MR | 31 | 2024 |
| Public Notice | Other | 28 | 2023 |
| Chlorine | MR | 27 | 2024 |
| E. COLI | MR | 21 | 2022 |
| TTHM | MR | 16 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 16 | 2020 |
| Coliform (TCR) | MCL | 15 | 2013 |
| Revised Total Coliform Rule | MON | 14 | 2021 |
| Nitrate | MR | 7 | 2002 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2010 |
| Combined Radium (-226 and -228) | MR | 4 | 2010 |
| Combined Uranium | MR | 4 | 2010 |
| Gross Beta Particle Activity | MR | 4 | 2010 |
| Arsenic | MR | 3 | 2011 |
| 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.