Population Served
63.0K
Service Connections
22.5K
Total Violations
20
Health-Based Violations
1
Lead & Copper Data
Lead Level
Elevated6.10 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- OSHKOSH
- ZIP Code
- 54903
- Counties Served
- Winnebago
- Cities Served
- OSHKOSH
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
20
Total Violations
1
Health-Based
0
Open Now
Most recent violation: 2025-07-02
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: WI4710457.SafeWater Home