Population Served
26.1K
Service Connections
9.7K
Total Violations
30
Health-Based Violations
5
Lead & Copper Data
Lead Level
Elevated5.60 ppb
Action Level: 15 ppb (EPA) · Sampled: 2023-09-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- SUPERIOR
- ZIP Code
- 54880
- Counties Served
- Douglas
- Cities Served
- SUPERIOR
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
30
Total Violations
5
Health-Based
0
Open Now
Most recent violation: 2024-10-17
Explore Wisconsin Water Quality
See all water systems, lead data, and violation trends for Wisconsin.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: WI8160147.SafeWater Home