LAKE HUMPHREY CONCESSION
PWS ID: OK2006916 · DUNCAN, Oklahoma 73533
Population Served
50
Total Violations
22
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- Stephens
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 20
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2011 |
| Revised Total Coliform Rule | MON | 6 | 2023 |
| Nitrate-Nitrite | MR | 5 | 2015 |
| Coliform (TCR) | MCL | 2 | 1992 |
| E. COLI | MR | 1 | 2013 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.