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Water system · PWSID NH1181010

CENTRAL HOOKSETT WATER PCT

HOOKSETT, NH · ~4,650 people served

Check your exact address → HOOKSETT overview
88
Excellent
PurityRadar safety score

PWSID

NH1181010

State

New Hampshire

City

HOOKSETT

Population served

4,650

Primary source

SWP

Score history

▼ 12 points — the score moved from 100 to 88 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 88

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

PFOA

Perfluorooctanoic acid

4.7 ppt

limit 4 ppt

Above EPA limit · 1.2×

PFBA

28 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

2

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2018. Official EPA record →

Monitoring & reporting · EPA contaminant 0999 began Apr 2018 Resolved
Monitoring & reporting · Lead & Copper Rule began Feb 2015 Resolved
Other · EPA contaminant 7000 began Jul 2007 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2004 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2004 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2004 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2004 Resolved

Recent enforcement actions

  • State action · SOX Aug 2018
  • State action · SIA Aug 2018
  • State action · SOX Apr 2015
  • State action · SIA Mar 2015
  • State action · SOX Feb 2009
  • State action · SIA Dec 2007
  • State action · SOX Mar 2006
  • State action · SIF May 2005

This profile is built from EPA public records for system NH1181010 — 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.