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World wastewater treatment plant observatory · data as reported by each inventory

Wastewater treatment plants in United States · New York

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605 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

605 results

CompareNameNative sizeYear
New York (C) - Newtown Creek WPCPNew York310 MGD (million gallons per day)2022
New York (C) - Wards Island WPCPNew York275 MGD (million gallons per day)2022
New York (C) - Hunts Point WPCPBronx200 MGD (million gallons per day)2022
Buffalo Sewer Authority Bird Island STPBuffalo180 MGD (million gallons per day)2022
New York (C) - North River WPCPNew York170 MGD (million gallons per day)2022
New York (C) - Bowery Bay WPCPAstoria150 MGD (million gallons per day)2022
Westchester (Co) Yonkers Joint STPYonkers145 MGD (million gallons per day)2022
Monroe (Co) Frank E Van Lare STPRochester135 MGD (million gallons per day)2022
New York (C) - Owls Head WPCPBrooklyn120 MGD (million gallons per day)2022
New York (C) - Coney Island WPCPBrooklyn110 MGD (million gallons per day)2022
New York (C) - Jamaica WPCPJamaica100 MGD (million gallons per day)2022
New York (C) - 26th. Ward WPCPBrooklyn85 MGD (million gallons per day)2022
New York (C) - Tallman Island WPCPCollege Point80 MGD (million gallons per day)2022
Onondaga (Co) Metro Syracuse STPSyracuse80 MGD (million gallons per day)2022
NCSD #3 - Cedar Creek STPWantagh72 MGD (million gallons per day)2022
NCSD #2 - South Shore WRF (Formerly Bay Park STP)East Rockaway70 MGD (million gallons per day)2022
New York (C) - Red Hook WPCPBrooklyn60 MGD (million gallons per day)2022
New York (C) - Port Richmond WPCPStaten Island60 MGD (million gallons per day)2022
Oneida (Co) Oneida Co.WPCPUtica54 MGD (million gallons per day)2022
Amherst (T) WWTP #16 & SewersTonawanda48 MGD (million gallons per day)2022
Niagara Falls (C) WWTP and San SewersNiagara Falls48 MGD (million gallons per day)2022
New York (C) - Rockaway WPCPNew York45 MGD (million gallons per day)2022
Saratoga (Co) SD#1 WPCPMechanicville43 MGD (million gallons per day)2022
New York (C) - Oakwood Beach WPCPStaten Island40 MGD (million gallons per day)2022
Albany (Co) - ACSD North STPAlbany35 MGD (million gallons per day)2022
Binghamton-Johnson City Jt.S Bd.STPVestal35 MGD (million gallons per day)2022
Suffolk (Co) SCSD #3 SouthwestWest Babylon30.5 MGD (million gallons per day)2022
Tonawanda (T) WWTPTonawanda30 MGD (million gallons per day)2022
Rockland County SD#1-Sloats/W.RamapOrangeburg29 MGD (million gallons per day)2022
Rockland County (Co) SD#1 & WWTPOrangeburg28.9 MGD (million gallons per day)2022
Albany (Co) - ACSD South STPAlbany25 MGD (million gallons per day)2022
Rensselaer (Co) SD#1 WWTPTroy24 MGD (million gallons per day)2022
Monroe (Co) NW Quadrant WWTPHilton22 MGD (million gallons per day)2022
Lockport (C) WWTP and SewersLockport22 MGD (million gallons per day)2022
Westchester (Co) Mamaroneck SD STPMamaroneck20.6 MGD (million gallons per day)2022
Schenectady (C) Sewers & STPSchenectady18.5 MGD (million gallons per day)2022
Plattsburgh (C) WWTPPlattsburgh16 MGD (million gallons per day)2022
Erie (Co) SD#3 Southtowns WWTPBuffalo16 MGD (million gallons per day)2022
Westchester (Co) New Rochelle STPNew Rochelle15.12 MGD (million gallons per day)2022
Niagara (Co) SD #1 WWTPNiagara Falls14.08 MGD (million gallons per day)2022
Ithaca (C) Ithaca Area STPIthaca13.1 MGD (million gallons per day)2022
Orangetown (T) SD#2 STPOrangeburg13 MGD (million gallons per day)2022
North Tonawanda (C) WWTPNorth Tonawanda13 MGD (million gallons per day)2022
Rome (C) STPRome12 MGD (million gallons per day)2022
Auburn, (C) WWTP & CollectionAuburn12 MGD (million gallons per day)2022
Chemung (Co) Elmira SD Milton WWTPElmira12 MGD (million gallons per day)2022
Jamestown (C) WWTPJamestown12 MGD (million gallons per day)2022
Poughkeepsie (C) WWTPPoughkeepsie10 MGD (million gallons per day)2022
Westchester (Co) Peekskill SD STPPeekskill10 MGD (million gallons per day)2022
Amsterdam (C) WWTPAmsterdam10 MGD (million gallons per day)2022
Gloversville-Johnstown (C) WWTPJohnstown10 MGD (million gallons per day)2022
Endicott (V) STP and SewersEndicott10 MGD (million gallons per day)2022
Onondaga (Co) Oak Orchard WWTPClay10 MGD (million gallons per day)2022
Glens Falls (C) WWTPGlens Falls9.5 MGD (million gallons per day)2022
Cortland (C) WWTPCortland9 MGD (million gallons per day)2022
Onondaga (Co) Baldwinsville-Seneca Knolls WWTPBaldwinsville9 MGD (million gallons per day)2022
Middletown (C) WWTPMiddletown8.5 MGD (million gallons per day)2022
Nassau Co Glen Cove (C) STPGlen Cove8 MGD (million gallons per day)2022
Haverstraw Joint Regional STPWest Haverstraw8 MGD (million gallons per day)2022
Watertown (C) WWTPWatertown8 MGD (million gallons per day)2022
Erie (Co) SD#2 WWTP at Big SisterAngola7.68 MGD (million gallons per day)2022
Webster (V) WWTPWebster7.5 MGD (million gallons per day)2022
Newburgh (C) Sewers & WWTPNewburgh7 MGD (million gallons per day)2022
Westchester (Co) Ossining SD STPOssining7 MGD (million gallons per day)2022
Little Falls (C) WWTP & Collection SystemLittle Falls7 MGD (million gallons per day)2022
Batavia (C/T) Joint WWTPBatavia7 MGD (million gallons per day)2022
Olean (C) WWTPOlean7 MGD (million gallons per day)2022
Kingston (C) Sewers & WWTPKingston6.8 MGD (million gallons per day)2022
Ogdensburg (C) WWTPOgdensburg6.5 MGD (million gallons per day)2022
Onondaga (Co) Meadowbrook LimestonSTPKirkville6.5 MGD (million gallons per day)2022
Canandaigua (C) STPCanandaigua6.5 MGD (million gallons per day)2022
Herkimer (Co) WWTPMohawk6.1 MGD (million gallons per day)2022
Beacon (C) WPCPBeacon6 MGD (million gallons per day)2022
Orange, (Co) SD #1Harriman6 MGD (million gallons per day)2022
Westchester (Co)Port Chester SD STPPort Chester6 MGD (million gallons per day)2022
Colonie (T) Mohawk River WPCPLatham6 MGD (million gallons per day)2022
Bethlehem (T) Cedar Hill STPSelkirk6 MGD (million gallons per day)2022
Geneva (C) Marsh Creek WWTPGeneva6 MGD (million gallons per day)2022
Dunkirk (C) WWTPDunkirk6 MGD (million gallons per day)2022
Oswego (C) East Side STPOswego5.35 MGD (million gallons per day)2022
North Hempstead (T) Great Neck WPCPGreat Neck5.3 MGD (million gallons per day)2022
New Windsor (T) SD#1-25 & STPNew Windsor5 MGD (million gallons per day)2022
Westchester (Co) Blind Brook SD STPRye5 MGD (million gallons per day)2022
Massena (V) STPMassena4.8 MGD (million gallons per day)2022
Medina (V) WWTP & PSMedina4.5 MGD (million gallons per day)2022
Erie (Co) SD#6 Lackawanna WWTPBuffalo4.5 MGD (million gallons per day)2022
Chautauqua (Co) S&CCLSD WWTPCeloron4.1 MGD (million gallons per day)2022
North Hempstead (T) Port Washington WPCDPort Washington4 MGD (million gallons per day)2022
Poughkeepsie (T) Arlington STPPoughkeepsie4 MGD (million gallons per day)2022
Wallkill (T) Sewers & STPMiddletown4 MGD (million gallons per day)2022
Oneonta (C) Sewers & WWTPOneonta4 MGD (million gallons per day)2022
West Carthage (V) Joint STPCarthage4 MGD (million gallons per day)2022
Oswego (C) West Side STPOswego4 MGD (million gallons per day)2022
Farmington (T) STP & San SewersFarmington4 MGD (million gallons per day)2022
Hornell (C) WPCPHornell4 MGD (million gallons per day)2022
Oneida (C) STPOneida3.75 MGD (million gallons per day)2022
Gouverneur (V) WWTPGouverneur3.7 MGD (million gallons per day)2022
Seneca Falls (T) WWTPSeneca Falls3.5 MGD (million gallons per day)2022
Potsdam (V) WWTPPotsdam3.5 MGD (million gallons per day)2022
Onondaga (Co) Wetzel Road WWTPLiverpool3.5 MGD (million gallons per day)2022

Regulatory context

General reference. This is not an exhaustive review of applicable law.

United States: Clean Water Act / NPDES

NPDES regulates pollutant discharges from point sources to waters of the United States. The permit sets limits and monitoring conditions. A CWNS code identifies an inventory record, not an NPDES permit.

  • Permit identifier and permitting authority: EPA or an authorized state.
  • Outfall and receiving water; sewer connections follow a different control route.
  • Current permit conditions, limits and dated measurements; these are not included in CWNS.

References reviewed: 2026-11-06. Individual applicability: undetermined. This profile does not establish authorization or compliance.