Northfield Water District
EPA ID: MA1217000 · 800 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Northfield Water District (MA1217000): no drinking-water violations recorded since 2021. From the earliest to the most recent cycle in the EPA data on file, Northfield Water District has logged zero violations for the 800 people in its service area - a count of records, not a test result for any home.
Data: EPA SDWIS
Service Area Map
Coverage area for Northfield Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Northfield Water District have a median household income of $102,470 and about 2,875 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 71% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Northfield 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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Massachusetts
System Overview
Northfield Water District (EPA ID: MA1217000) is a community water system in Massachusetts that serves approximately 800 people from groundwater sources.
This system serves ZIP code 01360 in Northfield.
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.
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 MA or modeled from parcel and building-footprint data.
- 01360 - Northfield
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Northfield Water District (MA1217000) on EPA.gov.
Frequently Asked Questions
Is Northfield Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Northfield 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 Northfield Water District serve?
Northfield Water District serves approximately 800 people across 1 ZIP code in Massachusetts.
Where does Northfield Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Northfield Water District Water Quality Report, MA. https://zipcheckup.com/water-system/ma1217000/
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title = {{Northfield Water District Water Quality Report, MA}},
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