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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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584 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

584 results

CompareNameNative sizeYear
Middleport V STPHW:340991,867 population served2012
Shandaken T Phoenicia and town wideHW:336371,850 population served2012
Pawling V WWTPHW:335911,849 population served2012
Clayton V WWTPHW:338441,821 population served2012
Addison V STPHW:339911,797 population served2012
Macedon V STPHW:340201,796 population served2012
Fonda V Fonda Fultonville STPHW:337601,770 population served2012
Stillwater V STPHW:338101,770 population served2012
Fishkill V WWTPHW:335851,755 population served2012
Keeseville V STPHW:337821,750 population served2012
Marcellus V STPHW:339401,746 population served2012
Schuylerville V STPHW:338091,741 population served2012
Sodus V WWTPHW:340451,735 population served2012
Moravia V WWTPHW:339121,723 population served2012
Waterville V STPHW:338711,721 population served2012
Wolcott V STPHW:339931,712 population served2012
Greene V STPHW:339181,701 population served2012
Schroon T WPCP and On Site SysHW:337931,700 population served2012
Sherburne V STPHW:339211,700 population served2012
Holley V WWTPHW:340031,700 population served2012
Bloomfield V STPHW:340351,700 population served2012
Deposit V STPHW:339041,699 population served2012
Norwood V STPHW:338871,685 population served2012
Oakfield V WWTPHW:339751,675 population served2012
Adams V WWTPHW:338361,674 population served2012
Wayne Co WandSAuth Red CrRegWWTPHW:340471,660 population served2012
Central Square V WWTPHW:339441,646 population served2012
Philadelphia V STPHW:338511,602 population served2012
Carmel T SD4 STP Lake SecorHW:336381,600 population served2012
Oxford V STPHW:339201,584 population served2012
Athens V Main STPHW:337541,575 population served2012
Mexico V STPHW:339481,572 population served2012
Trumansburg V WWTPHW:339681,571 population served2012
Roxbury T Grand Gorge STP NYCHW:337641,561 population served2012
Dundee V STPHW:340271,530 population served2012
Carmel T Mahopac STP NYCDEPHW:336291,525 population served2012
Suffolk CoSCSD18Heart IndPkSTPHW:335481,500 population served2012
Crawford T Pine Bush WWTPHW:336061,500 population served2012
Kirkland T Clark Mills STPHW:338661,500 population served2012
Vernon V STPHW:338941,500 population served2012
Somerset T Barker WWTP and OnsitesHW:341051,500 population served2012
Philmont V STPHW:337131,480 population served2012
Brownville V WWTPHW:338401,468 population served2012
Rockland T Livingston Manor STPHW:336631,450 population served2012
Broadalbin V WWTPHW:338231,450 population served2012
Altamont V STPHW:337051,427 population served2012
Wilson V STPHW:341061,411 population served2012
Germantown T STP and On SitesHW:337091,400 population served2012
Nunda V WWTPHW:339851,330 population served2012
Millbrook V WWTPHW:335901,329 population served2012
Jordan V Sewers and STPHW:339381,314 population served2012
Suffolk Co SCSD22 Hauppauge STPHW:335461,307 population served2012
Hunter V Sewers and WWTPHW:337221,306 population served2012
Sackets Harbor V STPHW:338521,300 population served2012
Port Byron V WWTPHW:339131,297 population served2012
Bergen V WWTPHW:339771,290 population served2012
La Grange T Titusville SD STPHW:335881,260 population served2012
Richfield Springs V Sewers and STPHW:337531,255 population served2012
Dutchess Co Chelsea Cove STPHW:335821,253 population served2012
Dexter V WWTPHW:338461,245 population served2012
Bethel T Kauneonga Lake STPHW:336511,220 population served2012
Ripley T WWTP and OnsitesHW:340751,220 population served2012
Jay T Ausable Forks STP and On SiteHW:337771,215 population served2012
Rhinebeck V Sewers_STP and On SitesHW:335981,200 population served2012
Valatie V STP and On SitesHW:337151,200 population served2012
Hancock V WWTPHW:337171,200 population served2012
Windham T hamlet wwtp and On SitesHW:337241,200 population served2012
Royalton T Gasport WWTP and OnsitesHW:341041,200 population served2012
Bolivar V WWTPHW:340511,190 population served2012
Suffolk Co SCSD 15 NOB HILLHW:335421,174 population served2012
Champlain V STPHW:337781,173 population served2012
Stamford V WWTPHW:337361,165 population served2012
Cape Vincent V STPHW:338411,156 population served2012
Lyndonville V STPHW:340041,139 population served2012
Little Valley V WWTPHW:340611,130 population served2012
South Corning V STPHW:340431,127 population served2012
Patchogue V WWTPHW:335601,100 population served2012
Marion T WWTP and Onsite SysHW:340231,100 population served2012
York T Retsof SD STP and OnsitesHW:340331,100 population served2012
Southeast T Brewster Hts SD STPHW:336431,075 population served2012
Whitney Point V STPHW:339081,054 population served2012
Castile V WWTPHW:341091,051 population served2012
Marathon V STPHW:339251,048 population served2012
Belmont V STPHW:340501,025 population served2012
Portville V WWTPHW:340631,024 population served2012
Suffolk Co SCSD 28 FairfieldHW:335441,000 population served2012
NYSDOC Woodbourne Corr FacHW:336581,000 population served2012
Ashland T Hamlet WWTP and Onsite WWTSHW:337741,000 population served2012
Norfolk T STP and On Site SysHW:338861,000 population served2012
Schoharie V STPHW:33759980 population served2012
Union Springs V STPHW:33914974 population served2012
Cayuga V WWTPHW:33911964 population served2012
Delaware T Callicoon SD _ STPHW:33654954 population served2012
Margaretville V STP NYCDEPHW:33765950 population served2012
Hastings T Caughdenoy SD STPHW:33947950 population served2012
Tannersville V STP NYCDEP ownedHW:33766948 population served2012
Minetto T WWTP and On Site SysHW:33949940 population served2012
Orleans T Joint STP FacilityHW:33837930 population served2012
Wappinger T Wildwood SD STPHW:33601925 population served2012
Tully V STPHW:33943924 population served2012

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.