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Water system · PWSID NY5920065

DYKEER WATER CO.

MERRICK, NY · ~480 people served

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

PWSID

NY5920065

State

New York

City

MERRICK

Population served

480

Primary source

GU

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

23

Violations on record

0

Unaddressed

2

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2020. Official EPA record →

Other · EPA contaminant 7500 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jan 2013 Resolved
Monitoring & reporting · EPA contaminant 0200 began Dec 2012 Resolved
Monitoring & reporting · Total coliform began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 0200 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 0200 began Dec 2010 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2010 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2010 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 4030 began Jan 2005 Resolved
Monitoring & reporting · Combined radium-226/228 began Jan 2005 Resolved
Monitoring & reporting · Uranium began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Jul 2020
  • State action · SIF Jul 2020
  • State action · SFJ Apr 2020
  • State action · SIE Apr 2020
  • State action · SOX Jun 2019
  • State action · SIF Jun 2019
  • State action · SFJ Oct 2018
  • State action · SIE Oct 2018

This profile is built from EPA public records for system NY5920065 — 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.