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Water system · PWSID NH2053020

ACKERMAN RETIREMENT PARK

DERRY, NH · ~350 people served

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

PWSID

NH2053020

State

New Hampshire

City

DERRY

Population served

350

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

92

Violations on record

0

Unaddressed

4

Health-based

42

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2021 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2018 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2018 Resolved
Other · EPA contaminant 7000 began Oct 2008 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved
Monitoring & reporting · Nitrite began Jan 1999 Resolved
Monitoring & reporting · Gross alpha began Jan 1999 Resolved
Monitoring & reporting · Nitrate began Jan 1999 Resolved
Monitoring & reporting · Arsenic began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 1999 Resolved
Monitoring & reporting · EPA contaminant 2378 began Jan 1999 Resolved

Recent enforcement actions

  • State action · SOX Oct 2021
  • State action · SIA Oct 2021
  • State action · SOX Apr 2019
  • State action · SIF Jan 2019
  • State action · SIA Jan 2019
  • State action · SIE Jan 2019
  • State action · SOX Oct 2018
  • State action · SIF Jun 2018

This profile is built from EPA public records for system NH2053020 — 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.