NORTHBOROUGH WATER DEPARTMENT (MWRA)

NORTHBOROUGH, MA · ~13,535 people served

Check your exact address → NORTHBOROUGH overview

100

Excellent

PurityRadar safety score

PWSID

MA2215000

State

Massachusetts

City

NORTHBOROUGH

Population served

13,535

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

200

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2012. Official EPA record →

Monitoring & reporting · EPA contaminant 2946 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2020 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2046 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2005 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2065 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2326 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2051 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2050 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2959 began Oct 2010 Resolved

Monitoring & reporting · Chlorite began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2067 began Oct 2010 Resolved

Monitoring & reporting · EPA contaminant 2110 began Oct 2010 Resolved

Recent enforcement actions

State action · SFJ Oct 2012
State action · SIE Jun 2011
State action · SOX Mar 2011
State action · SFL Feb 2011
State action · SFL Dec 2009
State action · SOX Oct 2009
State action · SFL Aug 2009
State action · SOX Apr 2009

Area water-quality monitoring

Environmental monitoring (rivers, wells, intakes) recorded in this system’s service area in the EPA/USGS Water Quality Portal since 2018 — source/ambient water, not finished tap water. Context for the watershed, not a reading from your tap.

ContaminantMedian · max · samples

Nitrate

1 station · latest May 2021

0.24 · max 0.52 mg/L · 7

Source: Water Quality Portal (EPA/USGS/state agencies). Values are as-reported and aren’t health thresholds.

This profile is built from EPA public records for system MA2215000 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.