Population Served
33.0K
Service Connections
13.0K
Total Violations
334
Health-Based Violations
17
Lead & Copper Data
Lead Level
Caution2.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
1500 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 2001-12-31
Copper action level exceeded
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- BUTTE
- ZIP Code
- 59701
- Counties Served
- Silver Bow
- Cities Served
- BUTTE
- Open Violations
- 0
- State
- Montana
Violation Summary
334
Total Violations
17
Health-Based
0
Open Now
Most recent violation: 2025-10-01
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: MT0000170.SafeWater Home