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Water system · PWSID NY5110623

WEST NECK WATER DISTRICT

SHELTER ISLAND, NY · ~100 people served

Check your exact address → SHELTER ISLAND overview
100
Excellent
PurityRadar safety score

PWSID

NY5110623

State

New York

City

SHELTER ISLAND

Population served

100

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

36

Violations on record

0

Unaddressed

4

Health-based

32

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2017. Official EPA record →

Monitoring & reporting · EPA contaminant 0700 began Jan 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2013 Resolved
Monitoring & reporting · Total coliform began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 2011 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2036 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2041 began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2008 Resolved

Recent enforcement actions

  • State action · SOX May 2017
  • State action · SFJ Feb 2017
  • State action · SIE Feb 2017
  • State action · SOX May 2015
  • State action · SOX May 2015
  • State action · SFJ Apr 2015
  • State action · SIE Apr 2015
  • State action · SFJ Aug 2014

This profile is built from EPA public records for system NY5110623 — 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.