Population Served
12.9K
Service Connections
3.8K
Total Violations
248
Health-Based Violations
43
Lead & Copper Data
Lead Level
Caution1.60 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- Ft Defiance
- ZIP Code
- 86504
- Counties Served
- Apache
- Cities Served
- Fort Defiance, Window Rock, St. Michaels
- Open Violations
- 0
- State
- Arizona
Violation Summary
248
Total Violations
43
Health-Based
0
Open Now
Most recent violation: 2025-02-01
Explore Arizona Water Quality
See all water systems, lead data, and violation trends for Arizona.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: NN0403000.SafeWater Home