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Water system · PWSID NY2902831

JERICHO WD

SYOSSET, NY · ~58,000 people served

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

PWSID

NY2902831

State

New York

City

SYOSSET

Population served

58,000

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 Nov 2025). Levels in parts per trillion (ppt).

PFBA

26 ppt

limit —

No federal limit

6:2 FTS

9.9 ppt

limit —

No federal limit

PFPeA

5.4 ppt

limit —

No federal limit

PFHpA

4.6 ppt

limit —

No federal limit

PFHxA

4.5 ppt

limit —

No federal limit

Violations & enforcement

97

Violations on record

0

Unaddressed

6

Health-based

33

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2015. Official EPA record →

Monitoring & reporting · EPA contaminant 2041 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2039 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2037 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2040 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2005 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2010 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2015 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2020 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2031 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2035 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2036 began Apr 2013 Resolved
Monitoring & reporting · EPA contaminant 2042 began Apr 2013 Resolved

Recent enforcement actions

  • State action · SIF Nov 2015
  • State action · SOX Nov 2015
  • State action · SFJ May 2015
  • State action · SIE May 2015
  • State action · SOX May 2014
  • State action · SIF May 2014
  • State action · SFJ Feb 2014
  • State action · SIE Feb 2014

This profile is built from EPA public records for system NY2902831 — 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.