Population Served
10.4K
Service Connections
3.7K
Total Violations
139
Health-Based Violations
25
Lead & Copper Data
Lead Level
Elevated6.20 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
- Groundwater
- System Type
- Community Water System
- City
- PORTAGE
- ZIP Code
- 53901-1742
- Counties Served
- Columbia
- Cities Served
- PORTAGE
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
139
Total Violations
25
Health-Based
0
Open Now
Most recent violation: 2003-12-01
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: WI1110039.SafeWater Home