Population Served
23.0K
Service Connections
10.9K
Total Violations
844
Health-Based Violations
792
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- DUNCAN
- ZIP Code
- 73534
- Counties Served
- Stephens
- Cities Served
- Duncan
- Open Violations
- 0
- State
- Oklahoma
Violation Summary
844
Total Violations
792
Health-Based
0
Open Now
Most recent violation: 2024-11-01
Explore Oklahoma Water Quality
See all water systems, lead data, and violation trends for Oklahoma.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: OK1010809.SafeWater Home