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Cass Lake

Drinking water quality, contact, and Consumer Confidence Report

Serving 1 city in MN ยท PWSID MN1110006

Cass Lake serves 750 people. 1 contaminant currently exceed health-based guidelines โ€” full breakdown below.

Monitor
1 contaminant above EPA health-based guidelines (MCLGs)
People served
750
PFAS
No results on file
Health-based violations since 2020
0

Data sources: EPA SDWIS, Cass Lake's published Consumer Confidence Report, and compliance monitoring reported to EPA by Minnesota Dept of Health.

This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.

1K
People Served
1
City
1
Water Sources
0
Health-based violations since 2020

Official Cass Lake Resources

Help Paying Your Cass Lake Water Bill

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Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Minnesota

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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

Not graded: Monitor

Cass Lake reads Monitor. A letter grade is given only beside a Safe verdict.

1
Above Health Guidelines
0
Health-based violations since 2020

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 โ†’How does Minnesota water quality rank nationally? โ†’

Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in Minnesota

Fluoride in Cass Lake Water

  • Cass Lake

    PWSID MN1110006

    Cass Lake reported 0.58 mg/L, below the 0.7 mg/L U.S. Public Health Service recommendation.

Check fluoride levels by ZIP code

Cass Lake Service Area

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Cass Lake Contact & Information

Phone

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
Sample Preview (masked)
NameTitlePhoneEmail
Jโ–ˆโ–ˆโ–ˆโ–ˆ Sโ–ˆโ–ˆโ–ˆโ–ˆWater Treatment Supervisor(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆjโ–ˆโ–ˆโ–ˆโ–ˆ@cityโ–ˆโ–ˆโ–ˆโ–ˆ.gov
Mโ–ˆโ–ˆโ–ˆโ–ˆ Jโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆโ–ˆUtility Director(555) โ–ˆโ–ˆโ–ˆ-โ–ˆโ–ˆโ–ˆโ–ˆmโ–ˆโ–ˆโ–ˆโ–ˆ@waterโ–ˆโ–ˆโ–ˆโ–ˆ.org
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Water Sources & Treatment

Water Sources

Groundwater

Treatment Methods

Not specified

Cass Lake Consumer Confidence Report

A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act ยง1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.

A current CCR for Cass Lake has not been published or validated on TapWaterData yet.

Publish your 2027 CCR

Are you the water operator here? Publish your official 2027-compliant CCR on this page โ€” residents already find it here.

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Residents: contact the utility directly using the phone number above, or check the EPAโ€™s national CCR portal. Reports are typically distributed by mail or posted on the utilityโ€™s official website.

Cass Lake Annual Water Quality Reports

Find Cass Lakeโ€™s report

We donโ€™t have a link we can confirm belongs to this system, and weโ€™d rather show none than the wrong utilityโ€™s. Minnesota Dept of Health publishes drinking-water reports for systems in this state.

Visit Minnesota Dept of Health

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 Health-Based Violations Since 2020

Cass Lake has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).

Concerned about what's in your water?

You're viewing 1 contaminant above health-based guidelines here. Your own tap water can differ โ€” upload your test (PDF or a photo) and we'll email a full plain-English reading of every number, free.

Your upload also helps us keep local water data accurate โ€” we only ever share anonymized, area-level summaries.

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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.

Frequently Asked Questions about Cass Lake

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 for specific water quality details.

Does Cass Lake have PFAS in its water?

We hold no PFAS ("forever chemicals") results for Cass Lake. That is a gap in our data, not a clean result โ€” EPA may already have sampled this system under its fifth Unregulated Contaminant Monitoring Rule (UCMR5). Contact Cass Lake at 2183352238 for its latest PFAS results.

How do I pay my Cass Lake water bill?

Cass Lake bills can be paid at the utility's official payment portal: https://www.casscountymn.gov/1331/Paying-Your-Property-Tax. For questions about your bill, call 2183352238.

How many people does Cass Lake serve?

Cass Lake serves 750 people across 1 city in MN.

What cities does Cass Lake serve?

Cass Lake provides water service to: Cass Lake, MN.

Does Cass Lake have any EPA violations?

No. Cass Lake has no health-based EPA violation since 2020 (EPA data as of Q2 2026).

What is Cass Lake's phone number?

You can contact Cass Lake at 2183352238. Their mailing address is: Cass Lake City Hall P.O. Box 877 Cass Lake, MN 56633.

Where can I find Cass Lake's Consumer Confidence Report?

Community water systems must publish an annual CCR. If you're looking for Cass Lake's CCR, contact them at 2183352238 or check back here โ€” we update monthly. The 2027 revised CCR Rule introduces new direct-URL distribution requirements.

Similar water utilities in Minnesota

How we built this page

Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data โ€” typically within days of an EPA SDWIS refresh.

Spotted a data issue? Use the Spotted something off? link at the bottom of the page โ€” corrections feed back into the next data refresh. Learn more about TapWaterData.

Are you Cass Lake? Publish your 2027 CCR

TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here โ€” it inherits this page's search authority and reaches every customer who Googles Cass Lake.

  • EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
  • Publish once a year. Agent-assisted workflow; no login setup for small systems.
  • Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Claim Cass Lake

Free for operators. No card required. Typical setup: 5 minutes.

Spotted something off on this page?

Residents keep our data honest.

This form corrects our data; it does not reach Cass Lake. For a problem with your water now (discolored water, no water, low pressure, a leak), contact Cass Lake directly.

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