Mendon Water Department
EPA ID: MA2179000 · 470 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Mendon Water Department (MA2179000): no drinking-water violations recorded since 2021. Mendon Water Department has no EPA violations on record; the utility serves 470 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Mendon Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mendon Water Department have a median household income of $129,837 and about 6,266 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 46% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Mendon Water Department's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Massachusetts
System Overview
Mendon Water Department (EPA ID: MA2179000) is a community water system in Massachusetts that serves approximately 470 people from surface water sources.
This system serves ZIP code 01756 in Mendon.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | 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.
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 MA or modeled from parcel and building-footprint data.
- 01756 - Mendon
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Mendon Water Department (MA2179000) on EPA.gov.
Frequently Asked Questions
Is Mendon Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Mendon Water Department 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 Mendon Water Department serve?
Mendon Water Department serves approximately 470 people across 1 ZIP code in Massachusetts.
Where does Mendon Water Department get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mendon Water Department Water Quality Report, MA. https://zipcheckup.com/water-system/ma2179000/
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author = {{ZipCheckup}},
title = {{Mendon Water Department Water Quality Report, MA}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ma2179000/}
}