Fredonia Waterworks
EPA ID: WI2460109 · 2,279 people served · 4 ZIP codes
ZipCheckup's reading of EPA SDWIS for Fredonia Waterworks (WI2460109): 4 EPA violations in the last five years. Over the past five years, Fredonia Waterworks recorded 4 violations, all subsequently resolved through the EPA enforcement process - the supplier currently operates in good standing, with no active actions on file for its 2,279 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Fredonia Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Fredonia Waterworks serves a community with a median household income of $84,464 and an estimated 16,216 residents across its service area. Approximately 67% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Fredonia Waterworks'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 73th 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 Fredonia Waterworks compares to EPA limits
What This Means For You
Contaminant 2032 at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2033 at 2 mg/L exceeds the EPA maximum of mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 9 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
Comparable Water Systems
Similar-sized systems in Wisconsin
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
Fredonia Waterworks (EPA ID: WI2460109) is a community water system in Wisconsin that serves approximately 2,279 people from groundwater sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 |
|---|---|---|---|
| January 1, 2023 | Contaminant 2032 | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2033 | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2032 | Non-health-based | Resolved |
| January 1, 2023 | Contaminant 2033 | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 2032 | Other Violation | 2 | No |
| Contaminant 2033 | Other Violation | 2 | 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 2 (Moderate 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 WI 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 Fredonia Waterworks (WI2460109) on EPA.gov.
Frequently Asked Questions
Is Fredonia Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Fredonia Waterworks; its 4 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Fredonia Waterworks serve?
Fredonia Waterworks serves approximately 2,279 people across 4 ZIP codes in Wisconsin.
Where does Fredonia Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Fredonia Waterworks (WI): 4 EPA Violations. https://zipcheckup.com/water-system/wi2460109/
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author = {{ZipCheckup}},
title = {{Fredonia Waterworks (WI): 4 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/wi2460109/}
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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
Fredonia Waterworks (EPA ID: WI2460109) - request the latest Consumer Confidence Report or ask about specific contaminants.