Williamstown Water Department
EPA ID: VT0005186 · 985 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Williamstown Water Department (VT0005186): no drinking-water violations recorded since 2021. Within the EPA records available for it, Williamstown Water Department shows no violations; the system serves about 985 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Williamstown Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Williamstown Water Department have a median household income of $94,180 and about 3,136 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Williamstown 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.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Vermont
System Overview
Williamstown Water Department (EPA ID: VT0005186) is a community water system in Vermont that serves approximately 985 people from groundwater sources.
This system serves ZIP code 05679 in Williamstown.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0027 mg/L | 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 2.
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 VT or modeled from parcel and building-footprint data.
- 05679 - Williamstown
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Williamstown Water Department (VT0005186) on EPA.gov.
Frequently Asked Questions
Is Williamstown Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Williamstown 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 Williamstown Water Department serve?
Williamstown Water Department serves approximately 985 people across 1 ZIP code in Vermont.
Where does Williamstown Water Department get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Williamstown Water Department Water Quality Report, VT. https://zipcheckup.com/water-system/vt0005186/
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author = {{ZipCheckup}},
title = {{Williamstown Water Department Water Quality Report, VT}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/vt0005186/}
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