Columbus
EPA ID: MN1020043 · 123 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Columbus (MN1020043): no drinking-water violations recorded since 2021. Although compliance varies widely among water utilities nationally, the SDWIS file for Columbus lists no EPA violations for this supplier, whose service area covers 123 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Columbus Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Columbus have a median household income of $95,993 and about 25,759 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Columbus's water is classified in EPA records as a groundwater source. 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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Minnesota
System Overview
Columbus (EPA ID: MN1020043) is a community water system in Minnesota that serves approximately 123 people from groundwater sources.
This system serves ZIP code 55025 in Forest Lake.
Violation History
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 | 2023-12-31 |
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 55025 - Forest Lake
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Columbus (MN1020043) on EPA.gov.
Frequently Asked Questions
Is Columbus water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Columbus 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 Columbus serve?
Columbus serves approximately 123 people across 1 ZIP code in Minnesota.
Where does Columbus get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Columbus Water Quality Report, MN. https://zipcheckup.com/water-system/mn1020043/
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author = {{ZipCheckup}},
title = {{Columbus Water Quality Report, MN}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mn1020043/}
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