Dayton
EPA ID: MN1270073 · 4,985 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Dayton (MN1270073): 2 EPA violations in the last five years. In the five-year tracking period, Dayton filed 2 violations - each has been cleared, and the utility now meets all federal standards for its 4,985 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Dayton Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Dayton serves a community with a median household income of $140,922 and an estimated 97,938 residents across its service area.
💧 Where Does Your Water Come From?
Dayton'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.
Superfund Proximity Note: This service area ranks in the 80th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Detected Contaminants
How Dayton compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 3 detections recorded.
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
Dayton (EPA ID: MN1270073) is a community water system in Minnesota that serves approximately 4,985 people from groundwater sources.
This system provides water to 4 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 1 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 |
|---|---|---|---|
| December 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| October 1, 2025 | Revised Total Coliform 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 |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
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 |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Dayton (MN1270073) on EPA.gov.
Frequently Asked Questions
Is Dayton water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Dayton; 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 Dayton serve?
Dayton serves approximately 4,985 people across 4 ZIP codes in Minnesota.
Where does Dayton get its water?
The primary water source is groundwater.
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
- #18 / 22 Highest Exposure Burden (Minnesota)
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dayton (MN): 2 EPA Violations. https://zipcheckup.com/water-system/mn1270073/
@misc{zipcheckup-water-system-mn1270073,
author = {{ZipCheckup}},
title = {{Dayton (MN): 2 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mn1270073/}
}
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
Dayton (EPA ID: MN1270073) - request the latest Consumer Confidence Report or ask about specific contaminants.