KINGSVALE WATER CO

MERRICK, NY · ~600 people served

Check your exact address → MERRICK overview

100

Excellent

PurityRadar safety score

PWSID

NY5503392

State

New York

City

MERRICK

Population served

600

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 2023). Levels in parts per trillion (ppt).

Lithium

61,700 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Combined radium-226/228 began Jan 2009 Resolved

Monitoring & reporting · Uranium began Jan 2009 Resolved

Monitoring & reporting · EPA contaminant 4020 began Jan 2009 Resolved

Monitoring & reporting · EPA contaminant 4030 began Jan 2009 Resolved

Recent enforcement actions

State action · SOX Jan 2015
State action · SFJ Jan 2015
State action · SIE Jan 2015

This profile is built from EPA public records for system NY5503392 — 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.