BLACKBIRD BEND CASINO
PWS ID: 070000017 · ONAWA, 07 51040
Population Served
546
Total Violations
62
Health-Based Violations
26
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Native American
- Connections
- 3
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 32
- Treatment Tech Violations
- 16
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 16 | 2015 |
| Coliform (TCR) | MR | 14 | 2015 |
| Coliform (TCR) | MCL | 10 | 2015 |
| Revised Total Coliform Rule | MON | 10 | 2024 |
| Chlorine | MR | 6 | 2024 |
| Lead and Copper Rule | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.