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Willmar

Serving 1 city in MN

Warning
7 above health guidelines
21K
People Served
1
City
1
Water Sources
0
MCL Violations

Official Willmar Resources

Willmar Service Area

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Service Area

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

Willmar Water Quality Grade

F
Failing

Significant water quality issues. Filter recommended.

Quality Score30/100
7
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 Willmar Water Safe to Drink?

Willmar has reported 7 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 21,045 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.

Willmar Service Area

Willmar Contact & Information

Emergency Line

320) 235-2244

24/7 After-Hours

Mailing Address

Willmar City Hall 333 Southwest Sixth Street Willmar, MN 56201

Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

filtration

Disinfectant Used

chlorine

Willmar 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 Willmar

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

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