Population Served
226.5K
Service Connections
42.5K
Total Violations
36
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution2.30 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
- THORNTON
- ZIP Code
- 80229
- Counties Served
- Adams
- Cities Served
- Thornton
- Open Violations
- 0
- State
- Colorado
Violation Summary
36
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2023-11-01
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: CO0101150.SafeWater Home