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Water system · PWSID NH1861010

PEMBROKE WATER WORKS

PEMBROKE, NH · ~5,200 people served

Check your exact address → PEMBROKE overview
76
Good
PurityRadar safety score

PWSID

NH1861010

State

New Hampshire

City

PEMBROKE

Population served

5,200

Primary source

Groundwater

Score history

▼ 24 points — the score moved from 100 to 76 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 76

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 Jan 2023). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

6.5 ppt

limit 4 ppt

Above EPA limit · 1.6×

PFBS

5.9 ppt

limit —

No federal limit

Violations & enforcement

36

Violations on record

0

Unaddressed

10

Health-based

52

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2011. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jul 2010 Resolved
Other · EPA contaminant 7500 began Feb 2010 Resolved
Other · EPA contaminant 7500 began Dec 2009 Resolved
Monitoring & reporting · Total coliform began Nov 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2006 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2006 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2003 Resolved

Recent enforcement actions

  • State action · SOX Mar 2011
  • State action · SIF Aug 2010
  • State action · SIA Jul 2010
  • State action · SIE Jul 2010
  • State action · SOX May 2010
  • State action · SIF Mar 2010
  • State action · SOX Mar 2010
  • State action · SIA Feb 2010

This profile is built from EPA public records for system NH1861010 — 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.