LAKE THUNDERBIRD SP NORTH SENTINAL
PWS ID: OK4001437 · NORMAN, Oklahoma 73026-8605
Population Served
500
Total Violations
53
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- State
- Connections
- 1
- County
- Cleveland
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 43
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 20 | 2015 |
| Revised Total Coliform Rule | MON | 12 | 2024 |
| Coliform (TCR) | MCL | 10 | 2012 |
| E. COLI | MR | 9 | 2025 |
| Nitrate-Nitrite | MR | 2 | 2024 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.