Population Served
102.9K
Service Connections
29.7K
Total Violations
78
Health-Based Violations
2
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
- Surface Water
- System Type
- Community Water System
- City
- LONGMONT
- ZIP Code
- 80501
- Counties Served
- Boulder
- Cities Served
- Longmont
- Open Violations
- 0
- State
- Colorado
Violation Summary
78
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2022-07-01
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: CO0107485.SafeWater Home