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OCONTO WATERWORKS

Serving 1 city in WI

Action Needed
1 MCL violation recorded
5K
People Served
1
City
1
Water Sources
1
MCL Violations

Official OCONTO WATERWORKS Resources

OCONTO WATERWORKS Service Area

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Service Area

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

OCONTO WATERWORKS Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score0/100
8
Above Health Guidelines
1
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 OCONTO WATERWORKS Water Safe to Drink?

OCONTO WATERWORKS has reported 8 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. The utility has 1 MCL violation on record. We recommend reviewing individual city reports below for specific water quality details.

This utility serves 4,610 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.

OCONTO WATERWORKS Service Area

OCONTO WATERWORKS Contact & Information

Emergency Line

1-800-943-0003

24/7 After-Hours

Mailing Address

1210 MAIN ST Oconto, WI 54153

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

OCONTO 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.

EPA Violations

1 Maximum Contaminant Level Violation

This utility has recorded MCL violations, indicating contaminant levels exceeded federal legal limits. These violations are aggregated across all cities served.

Check individual city reports for specific violation details and current status.

Recommended Water Filters for OCONTO WATERWORKS

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

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