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Water system · PWSID NY5903150

YESHIVA FARM SETTLEMENT

MT. KISCO, NY · ~300 people served

Check your exact address → MT. KISCO overview
1
Action needed
PurityRadar safety score

PWSID

NY5903150

State

New York

City

MT. KISCO

Population served

300

Primary source

GU

Score history

▼ 99 points — the score moved from 100 to 1 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 1

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).

PFOS

Perfluorooctanesulfonic acid

106 ppt

limit 4 ppt

Above EPA limit · 26.5×

PFOA

Perfluorooctanoic acid

28 ppt

limit 4 ppt

Above EPA limit · 6.9×

PFHxS

Perfluorohexanesulfonic acid

52 ppt

limit 10 ppt

Above EPA limit · 5.2×

PFNA

Perfluorononanoic acid

5 ppt

limit 10 ppt

Near EPA limit

PFPeA

106 ppt

limit —

No federal limit

PFHxA

69 ppt

limit —

No federal limit

PFHpA

46 ppt

limit —

No federal limit

PFBA

31 ppt

limit —

No federal limit

PFPeS

6.7 ppt

limit —

No federal limit

PFBS

5.6 ppt

limit —

No federal limit

Violations & enforcement

37

Violations on record

4

Unaddressed

2

Health-based

90

Enforcement actions

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

Other · EPA contaminant 7500 began Jul 2025 Unaddressed
Other · EPA contaminant 7500 began Jan 2025 Unaddressed
Other · EPA contaminant 7500 began Oct 2024 Unaddressed
Other · EPA contaminant 7500 began Apr 2024 Unaddressed
Monitoring · Lead & Copper Rule began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2014 Resolved
Monitoring & reporting · EPA contaminant 0300 began Sep 2011 Resolved
Monitoring & reporting · EPA contaminant 0300 began Aug 2011 Resolved
Monitoring & reporting · Thallium began Oct 2010 Resolved
Monitoring & reporting · Nitrate began Oct 2010 Resolved
Monitoring & reporting · Nitrite began Oct 2010 Resolved
Monitoring & reporting · Nitrite began Jul 2010 Resolved

Recent enforcement actions

  • State action · SIF Dec 2025
  • State action · SFJ Dec 2025
  • State action · SIE Dec 2025
  • State action · SFJ Nov 2025
  • State action · SIE Nov 2025
  • State action · SIE Oct 2025
  • State action · SFJ Oct 2025
  • State action · SFJ Jul 2025

This profile is built from EPA public records for system NY5903150 — 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.