Population Served
60.0K
Service Connections
22.5K
Total Violations
26
Health-Based Violations
18
Lead & Copper Data
Lead Level
Elevated8.00 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
- GREAT FALLS
- ZIP Code
- 59403
- Counties Served
- Cascade
- Cities Served
- GREAT FALLS
- Open Violations
- 0
- State
- Montana
Violation Summary
26
Total Violations
18
Health-Based
0
Open Now
Most recent violation: 2019-04-01
Explore Montana Water Quality
See all water systems, lead data, and violation trends for Montana.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: MT0000525.SafeWater Home