Population Served
18.8K
Service Connections
8.0K
Total Violations
18
Health-Based Violations
4
Lead & Copper Data
Lead Level
Elevated8.40 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
- Groundwater
- System Type
- Community Water System
- City
- MARSHFIELD
- ZIP Code
- 54449
- Counties Served
- Wood
- Cities Served
- MARSHFIELD
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
18
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2020-11-01
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: WI7720165.SafeWater Home