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Water system · PWSID NH1481010

MARLBOROUGH WATER WORKS

MARLBOROUGH, NH · ~750 people served

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

PWSID

NH1481010

State

New Hampshire

City

MARLBOROUGH

Population served

750

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

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

44

Violations on record

0

Unaddressed

1

Health-based

13

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Aug 2010 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 2979 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2976 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2968 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2380 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2955 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2969 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2964 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2378 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2977 began Sep 1995 Resolved
Monitoring & reporting · EPA contaminant 2980 began Sep 1995 Resolved

Recent enforcement actions

  • State action · SOX Mar 2011
  • State action · SIF Aug 2010
  • State action · SIE Aug 2010
  • State action · SIA Aug 2010
  • State action · SOX Aug 2010
  • State action · SIA Jul 2010
  • State action · SOX Oct 1996
  • State action · SIF May 1996

This profile is built from EPA public records for system NH1481010 — 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.