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City Of Poughkeepsie Water Pollution Control Plant

205 N Water St, Poughkeepsie, NY 12601 · Dutchess County · Publicly Owned Treatment Works

Average flow
7.39 MGD
Design flow
10 MGD
NPDES permit
NY0026255
Effective
Permit expires
December 2028
Population served
56,147
CWNS 2022

City Of Poughkeepsie Water Pollution Control Plant is a publicly owned wastewater treatment works in Poughkeepsie, Dutchess County, New York treating an average of 7.39 million gallons per day against a permitted design capacity of 10 MGD, serving about 56,147 residents. It discharges under NPDES permit NY0026255 (effective), which expires in December 2028, with 5 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in April 1989.

Treatment technology

One treatment structure or unit process identified at City Of Poughkeepsie Water Pollution Control Plant.

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Compliance snapshot (last 3 years)

Total violations
5
Effluent violations
5

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for City Of Poughkeepsie Water Pollution Control Plant in EPA's ICIS system.

Formal actions
1
0 since FY2020
Penalties assessed
$55,000
all cases
EPA inspections
0
none on record

Latest case · Apr 1989

POUGHKEEPSIE, CITY OF

Administrative order · CWA, NPDES Discharge without a Permit · Final Order With Penalty · Penalty $55,000

Source: EPA ECHO, civil enforcement case 02-1988-0229.

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Every action against City Of Poughkeepsie Water Pollution Control Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

Decision-makers at City Of Poughkeepsie Water Pollution Control Plant.

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Nearby wastewater treatment plants in New York

Lloyd Highland Sewer District STP

Highland · 1 mi away

1.1 MGD

Pinebrook Estates STP

Hyde Park · 3 mi away

0.01 MGD

0.08 MGD

Ohioville WWTP

New Paltz · 6 mi away

0.0073 MGD

Valley Dale STP

Pleasant Valley · 6 mi away

0.02 MGD

Noxon Knolls STP

Poughkeepsie · 6 mi away

0.02 MGD

Wildwood Sd (l & A)

Wappingers Falls · 7 mi away

0.08 MGD

Tri-Municipal WWTP

Wappingers Falls · 8 mi away

1.63 MGD

City Of Poughkeepsie Water Pollution Control Plant: frequently asked questions

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 May 21, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms


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