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Water system · PWSID NY5503377

MARLBOROUGH WATER DISTRICT

100
Excellent
PurityRadar safety score

PWSID

NY5503377

State

New York

City

MILTON

Population served

3,248

Primary source

SWP

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

20

Violations on record

0

Unaddressed

5

Health-based

38

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2020 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2015 Resolved
Monitoring & reporting · Total coliform began Jun 2013 Resolved
Treatment technique · EPA contaminant 0300 health-based began Sep 2011 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2009 Resolved
Monitoring & reporting · EPA contaminant 0200 began Apr 2008 Resolved

Recent enforcement actions

  • State action · SOX Jul 2023
  • State action · SFJ Jul 2023
  • State action · SIE Jul 2023
  • State action · SOX Sep 2020
  • State action · SIE Jul 2020
  • State action · SOX Jul 2017
  • State action · SIE Jul 2017
  • State action · SFJ Jul 2017

This profile is built from EPA public records for system NY5503377 — 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.