Grand Marais
EPA ID: MN1160001 · 1,344 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Grand Marais (MN1160001): 2 violations on record since 2021. Within the EPA violation records on file, Grand Marais accumulated 2 violations, and every finding is recorded as resolved; the utility supplies water to approximately 1,344 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for Grand Marais Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Grand Marais have a median household income of $71,458 and about 3,613 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Grand Marais's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Minnesota
System Overview
Grand Marais (EPA ID: MN1160001) is a community water system in Minnesota that serves approximately 1,344 people from surface water sources.
This system serves ZIP code 55604 in Grand Marais.
Violation History
Status breakdown for accepted records with record years 2021-2026: 0 resolved, 2 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| September 1, 2023 | Interim Enhanced Surface Water Treatment Rule | Non-health-based | Archived |
| August 1, 2023 | Interim Enhanced Surface Water Treatment Rule | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Interim Enhanced Surface Water Treatment Rule | Monitoring & Reporting | 2 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by MN or modeled from parcel and building-footprint data.
- 55604 - Grand Marais
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Grand Marais (MN1160001) on EPA.gov.
Frequently Asked Questions
Is Grand Marais water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Grand Marais; its 2 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Grand Marais serve?
Grand Marais serves approximately 1,344 people across 1 ZIP code in Minnesota.
Where does Grand Marais get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Grand Marais (MN): 2 EPA Violations. https://zipcheckup.com/water-system/mn1160001/
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title = {{Grand Marais (MN): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mn1160001/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Grand Marais (EPA ID: MN1160001) - request the latest Consumer Confidence Report or ask about specific contaminants.