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Cass Lake

Serving 1 city in MN

Monitor
1 above health guidelines
1K
People Served
1
City
1
Water Sources
0
MCL Violations

Official Cass Lake Resources

Cass Lake Service Area

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Service Area

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

Cass Lake Water Quality Grade

A
Excellent

Water meets all health guidelines with no violations.

Quality Score90/100
1
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 Cass Lake Water Safe to Drink?

Cass Lake has reported 1 contaminant 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 750 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.

Get your water independently tested in Minnesota β†’

Cass Lake Service Area

Cass Lake Contact & Information

Emergency Line

https://www.casscountymn.gov/faq.aspx?TID=23

24/7 After-Hours

Mailing Address

Cass Lake City Hall P.O. Box 877 Cass Lake, MN 56633

B2B Contact Data

B2B Contact Data Available

Contacts for Cass Lake

Updated Jan 2026
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NameTitlePhoneEmail
Jβ–ˆβ–ˆβ–ˆβ–ˆ Sβ–ˆβ–ˆβ–ˆβ–ˆWater Treatment Supervisor(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆjβ–ˆβ–ˆβ–ˆβ–ˆ@cityβ–ˆβ–ˆβ–ˆβ–ˆ.gov
Mβ–ˆβ–ˆβ–ˆβ–ˆ Jβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆβ–ˆUtility Director(555) β–ˆβ–ˆβ–ˆ-β–ˆβ–ˆβ–ˆβ–ˆmβ–ˆβ–ˆβ–ˆβ–ˆ@waterβ–ˆβ–ˆβ–ˆβ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

Recommended Water Filters for Cass Lake

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

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