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Water system · PWSID NY3503526

CORNWALL-ON-HUDSON

CORNWALL-ON-HUDSON, NY · ~9,700 people served

Check your exact address → CORNWALL-ON-HUDSON overview
100
Excellent
PurityRadar safety score

PWSID

NY3503526

State

New York

City

CORNWALL-ON-HUDSON

Population served

9,700

Primary source

Surface water

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

NMeFOSAA

15 ppt

limit —

No federal limit

Violations & enforcement

242

Violations on record

0

Unaddressed

3

Health-based

127

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2023. Official EPA record →

Other began Aug 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2018 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2017 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Other · EPA contaminant 7000 began Jul 2015 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2015 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2015 Resolved
Monitoring & reporting · Nitrate began Jan 2015 Resolved
Monitoring & reporting · Nitrate began Jan 2015 Resolved
Monitoring & reporting · Nitrate began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2014 Resolved

Recent enforcement actions

  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023
  • State action · SIF Nov 2023

This profile is built from EPA public records for system NY3503526 — 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.