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Public Water System
ECWA WEST SENECA
PWSID NY1404543 · New York · 23,557 people served
A
ExcellentECWA WEST SENECA is an EPA-regulated public water system in New York (PWSID NY1404543). It serves an estimated 23,557 residents — a small city of customers — across 1 community across 1 ZIP code.
ECWA WEST SENECA has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
23,557
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for ECWA WEST SENECA over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
ECWA WEST SENECA's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by ECWA WEST SENECA
ZIP Codes Served
About this system
EPA records this system as PWSID NY1404543. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact ECWA WEST SENECA directly or review their annual Consumer Confidence Report (CCR).
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