OSAGE CO RWD #20 (HULAH)
PWS ID: OK1021410 · BARTLESVILLE, Oklahoma 74003
Population Served
350
Total Violations
1,192
Health-Based Violations
1,100
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 131
- County
- Osage
- School/Daycare
- No
- MCL Violations
- 946
- Monitoring Violations
- 72
- Treatment Tech Violations
- 154
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 489 | 2025 |
| Total Haloacetic Acids (HAA5) | MCL | 448 | 2025 |
| Interim Enhanced Surface Water Treatment Rule | TT | 79 | 2022 |
| CARBON, TOTAL | TT | 67 | 2022 |
| Chlorine | MR | 19 | 2025 |
| TTHM | MR | 15 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 11 | 2021 |
| Coliform (TCR) | MR | 10 | 2015 |
| Surface Water Treatment Rule | TT | 8 | 2016 |
| Lead and Copper Rule | MR | 7 | 2025 |
| Revised Total Coliform Rule | MON | 6 | 2025 |
| Revised Total Coliform Rule | MCL | 5 | 2016 |
| Coliform (TCR) | MCL | 4 | 2005 |
| Consumer Confidence Rule | Other | 4 | 2025 |
| Surface Water Treatment Rule | MR | 2 | 2000 |
| Nitrate | MR | 2 | 2001 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.