Water system · PWSID NY5917221
HERITAGE HILLS WATER SYSTEM
PWSID
NY5917221
State
New York
City
WEST NYACK
Population served
4,700
Primary source
Groundwater
Score history
▼ 45 points — the score moved from 100 to 55 on Jun 18, 2026, as newly published EPA data was incorporated.
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 Aug 2024). Levels in parts per trillion (ppt).
PFOA
Perfluorooctanoic acid
6.6 ppt
limit 4 ppt
PFOS
Perfluorooctanesulfonic acid
6.1 ppt
limit 4 ppt
Violations & enforcement
200
Violations on record
0
Unaddressed
0
Health-based
53
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →
Recent enforcement actions
- State action · SOX Aug 2025
- State action · SIF May 2025
- State action · SIF May 2025
- State action · SIF May 2025
- State action · SOX May 2025
- State action · SOX May 2025
- State action · SIE Jan 2025
- State action · SFJ Jan 2025
This profile is built from EPA public records for system NY5917221 — 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.