Old Hawley St, Westfield, NY 14787 · Chautauqua County · Publicly Owned Treatment Works
Westfield (v) WPCF is a publicly owned wastewater treatment works in Westfield, Chautauqua County, New York treating an average of 1.07 million gallons per day against a permitted design capacity of 2.6 MGD, serving about 2,845 residents. It discharges under NPDES permit NY0021334 (administratively continued), which expires in August 2021, with 7 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in April 2026.
One treatment structure or unit process identified at Westfield (v) WPCF.
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Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Westfield (v) WPCF in EPA's ICIS system.
Latest case · Apr 2026
Westfield Wastewater Treatment Plant
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty · Compliance actions $3,050
EPA's description of the case:
“Westfield Pollution Control Facility, a waste water treatment plant, was observed to have stormwater catch basins that discharge to a stormwater outfall. At the time of inspection, the Facility did…”
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Source: EPA ECHO, civil enforcement case 02-2026-3018.
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Every action against Westfield (v) WPCF with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
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0.42 MGD
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0.31 MGD
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2.5 MGD
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Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated August 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms