Caledonia
EPA ID: MN1280002 · 2,824 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Caledonia (MN1280002): 3 EPA violations in the last five years. A total of 3 EPA violations spanning the past five monitoring years sit on Caledonia's record - every finding has been officially cleared, and the supplier now holds current compliance status for its service population of approximately 2,824 people, with no outstanding enforcement of any kind.
Data: EPA SDWIS
Service Area Map
Coverage area for Caledonia Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Caledonia serves a community with a median household income of $76,679 and an estimated 4,793 residents across its service area. Approximately 70% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Caledonia'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
Detected Contaminants
How Caledonia compares to EPA limits
What This Means For You
Gross Alpha at 1 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
Gross Alpha was detected in this water system. reverse osmosis filtration can reduce exposure.
Find a certified water filter →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
Caledonia (EPA ID: MN1280002) is a community water system in Minnesota that serves approximately 2,824 people from groundwater sources.
This system serves ZIP code 55921 in Caledonia.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 resolved, 0 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 |
|---|---|---|---|
| October 1, 2023 | Gross Beta | Non-health-based | Resolved |
| January 1, 2023 | Gross Alpha | Non-health-based | Resolved |
| January 1, 2023 | Gross Beta | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Gross Beta | Radionuclides | 2 | No |
| Gross Alpha | Radionuclides | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.004 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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.
- 55921 - Caledonia
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Caledonia (MN1280002) on EPA.gov.
Frequently Asked Questions
Is Caledonia water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Caledonia; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Caledonia serve?
Caledonia serves approximately 2,824 people across 1 ZIP code in Minnesota.
Where does Caledonia get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Caledonia (MN): 3 EPA Violations. https://zipcheckup.com/water-system/mn1280002/
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title = {{Caledonia (MN): 3 EPA Violations}},
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url = {https://zipcheckup.com/water-system/mn1280002/}
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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
Caledonia (EPA ID: MN1280002) - request the latest Consumer Confidence Report or ask about specific contaminants.