HUDSON WATER SUPPLY

HUDSON, MA · ~20,032 people served

Check your exact address → HUDSON overview

100

Excellent

PurityRadar safety score

PWSID

MA2141000

State

Massachusetts

City

HUDSON

Population served

20,032

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2024). Levels in parts per trillion (ppt).

PFBA

6 ppt

limit —

No federal limit

Violations & enforcement

107

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2025. Official EPA record →

Monitoring & reporting · Nitrite began Apr 2024 Resolved

Monitoring & reporting · EPA contaminant 2977 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2985 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2969 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2982 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2964 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2990 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2378 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2946 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2931 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2955 began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 2980 began Oct 2023 Resolved

Recent enforcement actions

State action · SOX Jul 2025
State action · SFJ Jun 2025
State action · SFL Aug 2024
State action · SFL Feb 2024
State action · SOX Feb 2024
State action · SOX Jul 2023
State action · SOX Jun 2023
State action · SOX Jun 2023

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 Mar 2021

0.175 · max 0.24 mg/L · 6

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 MA2141000 — 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.