Warren Water District
EPA ID: MA1311000 · 2,289 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Warren Water District (MA1311000): no drinking-water violations recorded since 2021. Water monitoring for Warren Water District: no violations on record, 2,289 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Warren Water District Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Warren Water District have a median household income of $70,938 and about 8,811 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 63% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Warren 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.
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 Massachusetts
System Overview
Warren Water District (EPA ID: MA1311000) is a community water system in Massachusetts that serves approximately 2,289 people from groundwater sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0012 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
3 of 3 ZIP records with known zones are 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Warren Water District (MA1311000) on EPA.gov.
Frequently Asked Questions
Is Warren Water District water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Warren 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 Warren Water District serve?
Warren Water District serves approximately 2,289 people across 3 ZIP codes in Massachusetts.
Where does Warren Water District get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Warren Water District Water Quality Report, MA. https://zipcheckup.com/water-system/ma1311000/
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title = {{Warren Water District Water Quality Report, MA}},
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