Cologne
EPA ID: MN1100004 · 1,700 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Cologne (MN1100004): no EPA violations recorded in the last five years. Across every monitored period in the past five years, Cologne reported no EPA violations for its service population of 1,700.
Data: EPA SDWIS
Service Area Map
Coverage area for Cologne Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Cologne serves a community with a median household income of $94,587 and an estimated 5,404 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Cologne's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Minnesota
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Cologne (EPA ID: MN1100004) is a community water system in Minnesota that serves approximately 1,700 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cologne (MN1100004) on EPA.gov.
Frequently Asked Questions
Is Cologne water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Cologne in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Cologne serve?
Cologne serves approximately 1,700 people across 2 ZIP codes in Minnesota.
Where does Cologne get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Cologne Water Quality Report, MN. https://zipcheckup.com/water-system/mn1100004/
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title = {{Cologne Water Quality Report, MN}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mn1100004/}
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