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💧 TapWaterData

Owatonna

Serving 1 city in MN

Warning
5 above health guidelines
26K
People Served
1
City
1
Water Sources
0
MCL Violations

Official Owatonna Resources

Owatonna Service Area

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Service Area

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

Owatonna Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score50/100
5
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 Owatonna Water Safe to Drink?

Owatonna has reported 5 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 26,430 people across 1 city in MN. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.

Owatonna Service Area

Owatonna Contact & Information

Emergency Line

800-252-1166

24/7 After-Hours

Mailing Address

208 Walnut P.O. Box 800 Owatonna, MN 55060

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

disinfection

Disinfectant Used

chlorine

Owatonna 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 Owatonna

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

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