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Water system · PWSID NY5103276

DIX HILLS WATER DISTRICT

100
Excellent
PurityRadar safety score

PWSID

NY5103276

State

New York

City

HUNTINGTON

Population served

34,522

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2025). Levels in parts per trillion (ppt).

PFPeA

4.5 ppt

limit —

No federal limit

Violations & enforcement

21

Violations on record

0

Unaddressed

3

Health-based

53

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2025. Official EPA record →

Monitoring · Lead & Copper Rule began Jun 2024 Resolved
Monitoring & reporting · Cyanide began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 1075 began Jan 2012 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2012 Resolved
Monitoring & reporting · Antimony began Jan 2012 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2012 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2012 Resolved
Monitoring & reporting · Thallium began Jan 2012 Resolved
Monitoring & reporting · Arsenic began Jan 2012 Resolved
Monitoring & reporting · Barium began Jan 2012 Resolved
Monitoring & reporting · Cadmium began Jan 2012 Resolved
Monitoring & reporting · Chromium (total) began Jan 2012 Resolved

Recent enforcement actions

  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SFJ Jan 2025
  • State action · SIE Jan 2025
  • State action · SFJ Oct 2024
  • State action · SFJ Oct 2024

This profile is built from EPA public records for system NY5103276 — 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.