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Home/Utilities/Wisconsin/OCONOMOWOC WATERWORKS

OCONOMOWOC WATERWORKS

Serving 1 city in WI

Action Needed
14 above health guidelines
16K
People Served
1
City
1
Water Sources
0
MCL Violations

Official OCONOMOWOC WATERWORKS Resources

OCONOMOWOC WATERWORKS Service Area

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Service Area

This map shows the approximate service area for OCONOMOWOC WATERWORKS. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.

OCONOMOWOC WATERWORKS Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
14
Above Health Guidelines
0
EPA Violations

Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).

Is OCONOMOWOC WATERWORKS Water Safe to Drink?

OCONOMOWOC WATERWORKS has reported 14 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 15,805 people across 1 city in WI. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

OCONOMOWOC WATERWORKS Service Area

OCONOMOWOC WATERWORKS Contact & Information

Emergency Line

262) 567-4401

24/7 After-Hours

Mailing Address

808 S WORTHINGTON ST Oconomowoc, WI 53066

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

disinfection

Disinfectant Used

chlorine

OCONOMOWOC WATERWORKS Annual Water Quality Reports

2026 Water Quality Report
Latest Consumer Confidence Report (CCR)
View Report

Historical reports are being compiled. Check back soon for archived water quality data.

What is a CCR? The Consumer Confidence Report (CCR) is an annual water quality report that water utilities are required by the EPA to provide to customers. It contains information about your water source, detected contaminants, and compliance status.

Recommended Water Filters for OCONOMOWOC WATERWORKS

Based on water quality data from cities served by OCONOMOWOC WATERWORKS, we recommend NSF-certified filters that can remove contaminants above health guidelines.

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