Williamsburg Water Department
EPA ID: MA1340000 · 1,575 people served · 5 ZIP codes
Federal monitoring records confirm Williamsburg Water Department has operated without any EPA violations for the full five-year window — covering every contaminant category and reporting cycle across a service area of approximately 1,575 residents, with no gaps in the compliance record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Williamsburg Water Department Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Williamsburg Water Department serves a community with a median household income of $91,667 and an estimated 5,217 residents across its service area. Approximately 74% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Williamsburg Water Department'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.
About 1% of homes in Hampshire County, Massachusetts rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Massachusetts
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
WILLIAMSBURG WATER DEPT (EPA ID: MA1340000) is a community water system in Massachusetts that serves approximately 1,575 people from groundwater sources.
This system provides water to 5 ZIP codes across 5 communities.
Average Home Safety Score: B (70/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 01032 | 0.00443 mg/L | No | N/A |
| 01039 | 0.001 mg/L | No | N/A |
| 01096 | 0.001 mg/L | No | N/A |
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 MA or modeled from parcel and building-footprint data.
- 01012 — Chesterfield
- 01032 — Goshen
- 01039 — Haydenville
- 01084 — West Chesterfield
- 01096 — Williamsburg
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Williamsburg Water Department (MA1340000) on EPA.gov.
Frequently Asked Questions
Is Williamsburg Water Department water safe to drink?
Based on EPA records, Williamsburg Water Department has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Williamsburg Water Department serve?
Williamsburg Water Department serves approximately 1,575 people across 5 ZIP codes in Massachusetts.
Where does Williamsburg Water Department get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Utility-reported lead service line presence and tap-sample lead level under federal LCRI requirements:
Below federal action level (0.015 mg/L)
MassDEP reports utility-level presence flag and tap-sampling without per-line breakdown. Customers should inquire with the utility about service line material at a specific address.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: MassDEP LCRR Service Line Inventory · Submitted 2024
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.