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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
Grand Island (T) STP SD #2Grand Island3.5 MGD (million gallons per day)2022
Fulton (C) WWTPFulton3.4 MGD (million gallons per day)2022
Malone (V) STPMalone3.3 MGD (million gallons per day)2022
Fredonia (V) WWTPDunkirk3.3 MGD (million gallons per day)2022
Fallsburg (T) - South Fallsburg STPSouth Fallsburg3.26 MGD (million gallons per day)2022
East Aurora (V) WWTPEast Aurora3.14 MGD (million gallons per day)2022
Monticello (V) WWTPMonticello3.1 MGD (million gallons per day)2022
Corning (C) WWTPCorning3.08 MGD (million gallons per day)2022
Onondaga (Co) Brewerton WWTPBrewerton3 MGD (million gallons per day)2022
Newark (V) WWTPNewark3 MGD (million gallons per day)2022
Hudson (C) WWTP & Collection SystemHudson2.8 MGD (million gallons per day)2022
Canajoharie (V) STPCanajoharie2.8 MGD (million gallons per day)2022
Poughkeepsie (T) Tri-Munical WWTPPoughkeepsie2.78 MGD (million gallons per day)2022
Wappinger Falls (V) WWTP & San. SewersWappingers Falls2.78 MGD (million gallons per day)2022
Wappinger (T) Tri-Muni WWTP & Collection SystemPoughkeepsie2.775 MGD (million gallons per day)2022
Lewiston (T) Master SD WWTP & SewersLewiston2.75 MGD (million gallons per day)2022
Canton (V) WWTPCanton2.7 MGD (million gallons per day)2022
Saranac Lake (V) STP & San SewersSaranac Lake2.62 MGD (million gallons per day)2022
Huntington, (T) STP & CollectionHuntington2.6 MGD (million gallons per day)2022
Guilderland (T) Nott Road WWTPGuilderland2.6 MGD (million gallons per day)2022
Westfield (V) WWTPWestfield2.6 MGD (million gallons per day)2022
Suffolk (Co) SCSD #21 SUNY STPStony Brook2.5 MGD (million gallons per day)2022
Port Jervis (C) STP (owner NYCDEP)Port Jervis2.5 MGD (million gallons per day)2022
East Greenbush (T) STPEast Greenbush2.5 MGD (million gallons per day)2022
Washington (Co) SD#2 Fort EdwardSTPFort Edward2.5 MGD (million gallons per day)2022
Clinton (V) WWTPClinton2.5 MGD (million gallons per day)2022
Norwich (C) STPNorwich2.5 MGD (million gallons per day)2022
Albion (V) Jt.Mun-Ind. WWTPAlbion2.3 MGD (million gallons per day)2022
Suffolk (Co) SCSD #11 SeldenCoram2.247 MGD (million gallons per day)2022
Wellsville (V) WWTPWellsville2.2 MGD (million gallons per day)2022
Gowanda (V) WWTPGowanda2.2 MGD (million gallons per day)2022
North Hempstead (T) Belgrave WWTPGreat Neck2 MGD (million gallons per day)2022
Goshen (V) Sewers & STPGoshen2 MGD (million gallons per day)2022
Liberty (V) STPLiberty2 MGD (million gallons per day)2022
Thompson, (T) Kiamesha SD & WWTPMonticello2 MGD (million gallons per day)2022
Niskayuna (T) SD No. 6 STPSchenectady2 MGD (million gallons per day)2022
St. Johnsville (V) STPSaint Johnsville2 MGD (million gallons per day)2022
Rouses Point (V) STPRouses Point2 MGD (million gallons per day)2022
Lowville (V) STPLowville2 MGD (million gallons per day)2022
Sylvan Beach (V) E. Oneida Lake SD WWTPSylvan Beach2 MGD (million gallons per day)2022
Canastota (V) STPCanastota2 MGD (million gallons per day)2022
Owego (T) SD No. 2 WWTPApalachin2 MGD (million gallons per day)2022
Cayuga Heights (V) STPIthaca2 MGD (million gallons per day)2022
Salamanca (C) WWTPSalamanca2 MGD (million gallons per day)2022
Oyster Bay (T) Sewer DistrictOyster Bay1.8 MGD (million gallons per day)2022
Suffern (V) STPSuffern1.8 MGD (million gallons per day)2022
Cobleskill (V) STPCobleskill1.8 MGD (million gallons per day)2022
Penn Yan (V) STPPenn Yan1.8 MGD (million gallons per day)2022
Hoosick Falls (V) STPHoosick Falls1.75 MGD (million gallons per day)2022
Lake George (V) STPLake George1.75 MGD (million gallons per day)2022
Dansville (V) WWTPDansville1.75 MGD (million gallons per day)2022
Erwin (T) STP and SewersPainted Post1.75 MGD (million gallons per day)2022
Sidney (V) WWTPSidney1.7 MGD (million gallons per day)2022
Ticonderoga (T) STPTiconderoga1.7 MGD (million gallons per day)2022
Herkimer (V) WWTPHerkimer1.7 MGD (million gallons per day)2022
Webster (T) WWTPWebster1.68 MGD (million gallons per day)2022
Suffolk (Co) SCSD #18 Haupp-Ind. STPHauppauge1.65 MGD (million gallons per day)2022
Ulster (T) Lake Katrine WWTPKingston1.6 MGD (million gallons per day)2022
Walton (V) WWTPWalton1.6 MGD (million gallons per day)2022
Newfane (T) WWTP & San SewersNewfane1.6 MGD (million gallons per day)2022
Catskill (V) WWTPCatskill1.55 MGD (million gallons per day)2022
Great Neck (V) STPGreat Neck1.5 MGD (million gallons per day)2022
Greater Atlantic Beach W.Recl. DistAtlantic Beach1.5 MGD (million gallons per day)2022
Cornwall (T) Joint T/V STPCornwall1.5 MGD (million gallons per day)2022
Cornwall-on-Hudson (V) SewersCornwall On Hudson1.5 MGD (million gallons per day)2022
Yorktown (T) WWTP & Collection SystemYorktown Heights1.5 MGD (million gallons per day)2022
Rotterdam (T) WWTP & Collection System ImprovementsSchenectady1.5 MGD (million gallons per day)2022
Dannemora (V) STPDannemora1.5 MGD (million gallons per day)2022
Waterford (T) WWTP & Collection SystemWaterford1.5 MGD (million gallons per day)2022
Geneseo (V) WWTPGeneseo1.5 MGD (million gallons per day)2022
New Paltz (V) STP and SewersNew Paltz1.4 MGD (million gallons per day)2022
Ellicottville (V) WWTPEllicottville1.4 MGD (million gallons per day)2022
Attica (V) WWTPAttica1.4 MGD (million gallons per day)2022
Saugerties (V) Sewers & STPSaugerties1.36 MGD (million gallons per day)2022
Highland Falls (V) Sewers & STPHighland Falls1.35 MGD (million gallons per day)2022
Riverhead (T) STP & SewersRiverhead1.3 MGD (million gallons per day)2022
Chittenango (V) STPChittenango1.3 MGD (million gallons per day)2022
Waterloo (V) WWTP & Collection SystemWaterloo1.3 MGD (million gallons per day)2022
Livingston (Co) Conesus Lake SD Lakeville WWTPLakeville1.27 MGD (million gallons per day)2022
Suffolk (Co) SCSD #14 Parkland STPHolbrook1.25 MGD (million gallons per day)2022
Lloyd (T) STP and SewersHighland1.25 MGD (million gallons per day)2022
Coxsackie (V) WWTP & Collection SystemCoxsackie1.25 MGD (million gallons per day)2022
Catharine Valley Water Reclamation Facility (CVWRF)Watkins Glen1.2 MGD (million gallons per day)2022
Fonda (V) Fonda-Fultonville WWTPFonda1.2 MGD (million gallons per day)2022
Warsaw (V) WWTP & Collection SystemWarsaw1.2 MGD (million gallons per day)2022
Boonville (V) STPBoonville1.15 MGD (million gallons per day)2022
Springville (V) WWTPSpringville1.15 MGD (million gallons per day)2022
Carmel (T) SD #2 STPCarmel1.1 MGD (million gallons per day)2022
Tupper Lake (V) WWTPTupper Lake1.1 MGD (million gallons per day)2022
Clayton (V) WWTPClayton1.1 MGD (million gallons per day)2022
Walden (V) Sewers & WWTPWalden1.08 MGD (million gallons per day)2022
Suffolk (Co) SCSD #27 Forge RiverMastic Beach1 MGD (million gallons per day)2022
Cedarhurst, (V) WWTP & CollectionCedarhurst1 MGD (million gallons per day)2022
Warwick (V) WWTP & Collection SystemWarwick1 MGD (million gallons per day)2022
Stony Point (T) STPStony Point1 MGD (million gallons per day)2022
Fallsburg (T)- Loch Sheldrake STPLoch Sheldrake1 MGD (million gallons per day)2022
Montgomery (Co) SD#1 STPNelliston1 MGD (million gallons per day)2022
Delhi (V) WWTPDelhi1 MGD (million gallons per day)2022
Dolgeville (V) WWTPDolgeville1 MGD (million gallons per day)2022
Owego (V) STPOwego1 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.