Dunkirk Water Department
EPA ID: IN5238001 · 2,305 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Dunkirk Water Department (IN5238001): 2 violations recorded with unresolved status in the SDWIS data used. In EPA records, Dunkirk Water Department has 2 violations listed as unresolved, with the utility supplying water to approximately 2,305 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Dunkirk Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Dunkirk Water Department have a median household income of $50,381 and about 2,793 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 81% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 50% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Dunkirk Water Department'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Indiana
System Overview
Dunkirk Water Department (EPA ID: IN5238001) is a community water system in Indiana that serves approximately 2,305 people from groundwater sources.
This system serves ZIP code 47336 in Dunkirk.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 0 archived, 0 addressed, and 2 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, 2025 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| July 1, 2023 | Consumer Confidence Rule | Non-health-based | Resolved |
| July 1, 2022 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2022 | TTHM | Non-health-based | Resolved |
| January 1, 2022 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Rule | Other (notice or report rule) | 4 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 1 | No |
| TTHM | Monitoring & Reporting | 1 | No |
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 | 2024-12-31 |
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
1 of 1 ZIP records with known zones is in EPA Radon Zone 1.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 IN or modeled from parcel and building-footprint data.
- 47336 - Dunkirk
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Dunkirk Water Department (IN5238001) on EPA.gov.
Frequently Asked Questions
Is Dunkirk Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 2 current noncompliance records and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Dunkirk Water Department serve?
Dunkirk Water Department serves approximately 2,305 people across 1 ZIP code in Indiana.
Where does Dunkirk Water Department get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Dunkirk Water Department (IN): 6 EPA Violations. https://zipcheckup.com/water-system/in5238001/
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title = {{Dunkirk Water Department (IN): 6 EPA Violations}},
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url = {https://zipcheckup.com/water-system/in5238001/}
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What You Can Do
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Dunkirk Water Department (EPA ID: IN5238001) - request the latest Consumer Confidence Report or ask about specific contaminants.