Population Served
24.7K
Service Connections
7.0K
Total Violations
294
Health-Based Violations
21
Lead & Copper Data
Lead Level
Safe1.00 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
- Surface Water
- System Type
- Community Water System
- City
- JOHNSTOWN
- ZIP Code
- 80534
- Counties Served
- Weld
- Cities Served
- Johnstown
- Open Violations
- 0
- State
- Colorado
Violation Summary
294
Total Violations
21
Health-Based
0
Open Now
Most recent violation: 2023-07-01
Explore Colorado Water Quality
See all water systems, lead data, and violation trends for Colorado.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CO0162418.SafeWater Home