Madison Water District
EPA ID: OH7006712 · 2,050 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Madison Water District (OH7006712): no drinking-water violations recorded since 2021. Although compliance varies widely among water utilities nationally, the SDWIS file for Madison Water District lists no EPA violations for this supplier, whose service area covers 2,050 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Madison Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Madison Water District have a median household income of $43,668 and about 21,130 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 91% 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?
Madison Water District'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 Ohio
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
Madison Water District (EPA ID: OH7006712) is a community water system in Ohio that serves approximately 2,050 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
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 | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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 OH 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 available EPA compliance records for Madison Water District (OH7006712) on EPA.gov.
Frequently Asked Questions
Is Madison Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Madison Water District 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 Madison Water District serve?
Madison Water District serves approximately 2,050 people across 2 ZIP codes in Ohio.
Where does Madison Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Madison Water District Water Quality Report, OH. https://zipcheckup.com/water-system/oh7006712/
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title = {{Madison Water District Water Quality Report, OH}},
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