Population Served
15.8K
Service Connections
1
Total Violations
26
Health-Based Violations
8
Lead & Copper Data
Lead Level
Elevated6.80 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
- Oconomowoc
- ZIP Code
- 53066
- Counties Served
- Waukesha
- Cities Served
- OCONOMOWOC
- Open Violations
- 0
- State
- Wisconsin
Violation Summary
26
Total Violations
8
Health-Based
0
Open Now
Most recent violation: 2014-01-01
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: WI2680227.SafeWater Home