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Water system · PWSID NY3503524

CHESTER VILLAGE

CHESTER, NY · ~3,448 people served

Check your exact address → CHESTER overview
89
Excellent
PurityRadar safety score

PWSID

NY3503524

State

New York

City

CHESTER

Population served

3,448

Primary source

Surface water

Score history

▼ 11 points — the score moved from 100 to 89 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 89

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

PFOA

Perfluorooctanoic acid

4.5 ppt

limit 4 ppt

Above EPA limit · 1.1×

PFBA

19 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

PFHxA

3 ppt

limit —

No federal limit

Violations & enforcement

65

Violations on record

0

Unaddressed

2

Health-based

29

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2019 Resolved
Monitoring & reporting · Nitrate began Jan 2019 Resolved
Monitoring & reporting · EPA contaminant 2990 began Jan 2019 Resolved
Monitoring & reporting · Nitrate began Jan 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2017 Resolved
Monitoring & reporting · EPA contaminant 2031 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 2040 began Jul 2016 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jul 2016 Resolved

Recent enforcement actions

  • State action · SOX Mar 2025
  • State action · SOX Jul 2021
  • State action · SOX Jul 2021
  • State action · SOX Jul 2021
  • State action · SFJ Mar 2020
  • State action · SIE Mar 2020
  • State action · SIE Mar 2020
  • State action · SFJ Mar 2020

This profile is built from EPA public records for system NY3503524 — 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.