Population Served
272.0K
Service Connections
100.7K
Total Violations
327
Health-Based Violations
6
Lead & Copper Data
Lead Level
Caution1.80 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
- MADISON
- ZIP Code
- 53713
- Counties Served
- Dane
- Cities Served
- MADISON
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
327
Total Violations
6
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: WI1130224.SafeWater Home