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Water system · PWSID MA4172039

MASHPEE WATER DISTRICT

MASHPEE, MA · ~36,922 people served

Check your exact address → MASHPEE overview
100
Excellent
PurityRadar safety score

PWSID

MA4172039

State

Massachusetts

City

MASHPEE

Population served

36,922

Primary source

Groundwater

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 Jun 2024). Levels in parts per trillion (ppt).

PFBA

8 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

3

Health-based

7

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 1998. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jun 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 1994 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SFL Jan 1998
  • State action · SOX Sep 1997
  • State action · SOX Apr 1997
  • State action · SOX Apr 1997
  • State action · SFL Jan 1997
  • State action · SOX Oct 1996
  • State action · SOX Dec 1994

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

16 stations · latest Mar 2021

0.68 · max 1.65 mg/l as N · 42

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 MA4172039 — 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.