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Water system · PWSID NY0100205

GUILDERLAND TOWN WD

GUILDERLAND, NY · ~30,000 people served

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

PWSID

NY0100205

State

New York

City

GUILDERLAND

Population served

30,000

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

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

29

Violations on record

0

Unaddressed

18

Health-based

47

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2022 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2021 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2005 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2003 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2002 Resolved
Treatment technique · Bromate health-based began Oct 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2002 Resolved

Recent enforcement actions

  • State action · SOX Apr 2025
  • State action · SIA Nov 2024
  • State action · SIE Nov 2024
  • State action · SOX Aug 2022
  • State action · SFJ Aug 2022
  • State action · SIE Aug 2022
  • State action · SOX Jul 2019
  • State action · SOX Jul 2005

This profile is built from EPA public records for system NY0100205 — 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.