Population Served
64.4K
Service Connections
23.9K
Total Violations
14
Health-Based Violations
5
Lead & Copper Data
Lead Level
Elevated10.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2020-10-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- JANESVILLE
- ZIP Code
- 53546
- Counties Served
- Rock
- Cities Served
- JANESVILLE
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
14
Total Violations
5
Health-Based
0
Open Now
Most recent violation: 2016-04-01
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: WI1540127.SafeWater Home