Population Served
44.3K
Service Connections
16.4K
Total Violations
390
Health-Based Violations
91
Lead & Copper Data
Lead Level
Elevated7.90 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
1484 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 1992-12-31
Copper action level exceeded
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- FOND DU LAC
- ZIP Code
- 54936-0150
- Counties Served
- Fond du Lac
- Cities Served
- FOND DU LAC
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
390
Total Violations
91
Health-Based
0
Open Now
Most recent violation: 2024-10-17
Explore Wisconsin Water Quality
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Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: WI4200469.SafeWater Home