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

Wastewater treatment plants in the United States

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17,009 inventory records · EPA Clean Watersheds Needs Survey 2022

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

States

17,009 results

CompareNameNative sizeYear
MCGILL & RUTH WWTP UpgradeMc Gill0.05 MGD (million gallons per day)2022
Newbury WWTFNewbury0.05 MGD (million gallons per day)2022
Wakefield Sanbornville WWTFSanbornville0.05 MGD (million gallons per day)2022
West Milford Township - Birch Hill CS/STPWest Milford0.05 MGD (million gallons per day)2022
Lower Alloways Creek Township CS - STPHancocks Bridge0.05 MGD (million gallons per day)2022
Lower Alloways Creek Township - Hancocks Bridge TPHancocks Bridge0.05 MGD (million gallons per day)2022
Burlington County STP - Sludge MgmtColumbus0.05 MGD (million gallons per day)2022
Sussex County MUA - Hampton Commons CS/STPHampton0.05 MGD (million gallons per day)2022
Hampton Township - Hampton Commons CS/STPHampton0.05 MGD (million gallons per day)2022
VAUGHN SEWAGE PONDSVaughn0.05 MGD (million gallons per day)2022
San Jon, Village ofSan Jon0.05 MGD (million gallons per day)2022
Chenango Heights WWTP, Chenango (T) SD #12Binghamton0.05 MGD (million gallons per day)2022
Carmel (T) SD #6 STP - Ivy HIllMahopac0.05 MGD (million gallons per day)2022
Hadley (T) STPHadley0.05 MGD (million gallons per day)2022
Greenwich (V) WWTP and SewersGreenwich0.05 MGD (million gallons per day)2022
Lisbon (T) WWTP & Collection SystemLisbon0.05 MGD (million gallons per day)2022
Sanford (T) OquagaLake SDDeposit0.05 MGD (million gallons per day)2022
Nichols (T) WWTP & SDNichols0.05 MGD (million gallons per day)2022
Naples (V) STP & San SewersNaples0.05 MGD (million gallons per day)2022
Woodhull (T) WWTP & Collection SystemWoodhull0.05 MGD (million gallons per day)2022
Pomfret (T) Lily Dale STPLily Dale0.05 MGD (million gallons per day)2022
Hume (T) Fillmore WWTPFillmore0.05 MGD (million gallons per day)2022
LANSING WWTPLansing0.05 MGD (million gallons per day)2022
SPENCER MOUNTAIN WWTPGastonia0.05 MGD (million gallons per day)2022
RIVERSTONE INDUS. PARK WWTPForest City0.05 MGD (million gallons per day)2022
TALLWOOD ESTATES WWTPIndian Trail0.05 MGD (million gallons per day)2022
GRASSY BRANCH WWTPMonroe0.05 MGD (million gallons per day)2022
MAPLETON WASTEWATERMapleton0.05 MGD (million gallons per day)2022
BERTHOLD WASTEWATERBerthold0.05 MGD (million gallons per day)2022
HATTON WASTEWATERHatton0.05 MGD (million gallons per day)2022
KULM WASTEWATERKulm0.05 MGD (million gallons per day)2022
LEEDS WASTEWATERLeeds0.05 MGD (million gallons per day)2022
MCCLUSKY WASTEWATERMcclusky0.05 MGD (million gallons per day)2022
MCVILLE WASTEWATERMcville0.05 MGD (million gallons per day)2022
MINTO WASTEWATERMinto0.05 MGD (million gallons per day)2022
PEMBINA WASTEWATERPembina0.05 MGD (million gallons per day)2022
SCRANTON WASTEWATERScranton0.05 MGD (million gallons per day)2022
WESTHOPE WASTEWATERWesthope0.05 MGD (million gallons per day)2022
ZAP WASTEWATERZap0.05 MGD (million gallons per day)2022
Village of Amsterdam WWTP and collection systemAmsterdam0.05 MGD (million gallons per day)2022
Columbiana Co Kensington AreaKensington0.05 MGD (million gallons per day)2022
Edison WWTP & Sewer SystemEdison0.05 MGD (million gallons per day)2022
Savannah WWTP & Sewer SystemSavannah0.05 MGD (million gallons per day)2022
NWWSD Custar WWTP and SewersCustar0.05 MGD (million gallons per day)2022
Defiance Co Evansport WWTP & Sewer SystemDefiance0.05 MGD (million gallons per day)2022
Clarington WWTP & Sewer SystemClarington0.05 MGD (million gallons per day)2022
Empire WWTP & Sewer SystemEmpire0.05 MGD (million gallons per day)2022
Geauga Co Burton Lakes WWTPBurton0.05 MGD (million gallons per day)2022
Saint Clairsville West WWTPSaint Clairsville0.05 MGD (million gallons per day)2022
Scioto Co Tanglewood WWTPMinford0.05 MGD (million gallons per day)2022
Senecaville WWTP & Sewer SystemSenecaville0.05 MGD (million gallons per day)2022
Tuppers Plains Regional Sewer District WWTP & SewersTuppers Plains0.05 MGD (million gallons per day)2022
Williamsburg On The River WWTPBowling Green0.05 MGD (million gallons per day)2022
HAMMON WWTHammon0.05 MGD (million gallons per day)2022
MOUNTAIN PARK WWTMountain Park0.05 MGD (million gallons per day)2022
KETCHUM WWTKetchum0.05 MGD (million gallons per day)2022
DEPEW WWTDepew0.05 MGD (million gallons per day)2022
CARMEN WWTCarmen0.05 MGD (million gallons per day)2022
HELENA WWTHelena0.05 MGD (million gallons per day)2022
KEYES WWTKeyes0.05 MGD (million gallons per day)2022
LEXINGTON PRISON WWTLexington0.05 MGD (million gallons per day)2022
TUPELO WWTTupelo0.05 MGD (million gallons per day)2022
LAMONT WWTLamont0.05 MGD (million gallons per day)2022
WAKITA WWTWakita0.05 MGD (million gallons per day)2022
QUARTZ MT WWTLone Wolf0.05 MGD (million gallons per day)2022
WETUMKA WWT (NORTH)Wetumka0.05 MGD (million gallons per day)2022
KAW CITY WWTKaw City0.05 MGD (million gallons per day)2022
LONE WOLF WWTLone Wolf0.05 MGD (million gallons per day)2022
DELAWARE WWTDelaware0.05 MGD (million gallons per day)2022
PADEN UA WWTPaden0.05 MGD (million gallons per day)2022
BOWLEGS WWTBowlegs0.05 MGD (million gallons per day)2022
HARDESTY WWTHardesty0.05 MGD (million gallons per day)2022
OKAY WWTOkay0.05 MGD (million gallons per day)2022
DILL CITY WWTDill City0.05 MGD (million gallons per day)2022
PAISLEY STPPaisley0.05 MGD (million gallons per day)2022
RUFUS STPRufus0.05 MGD (million gallons per day)2022
Shoreline Santiary District STPWarrenton0.05 MGD (million gallons per day)2022
Harford Twp STPHarford0.05 MGD (million gallons per day)2022
Irene, City ofIrene0.05 MGD (million gallons per day)2022
Bryant Wastewater Collection SystemBryant0.05 MGD (million gallons per day)2022
T.L.Roach Prison UnitChildress0.05 MGD (million gallons per day)2022
Fort Hancock WWTPFort Hancock0.05 MGD (million gallons per day)2022
Roby WWTPRoby0.05 MGD (million gallons per day)2022
LORAINE STPLoraine0.05 MGD (million gallons per day)2022
MeadowMeadow0.05 MGD (million gallons per day)2022
New Home WWTPNew Home0.05 MGD (million gallons per day)2022
Oglesby WWTPOglesby0.05 MGD (million gallons per day)2022
Iredell WWTPIredell0.05 MGD (million gallons per day)2022
Morgan WWTPMorgan0.05 MGD (million gallons per day)2022
Frost WWTPFrost0.05 MGD (million gallons per day)2022
Graford WWTPGraford0.05 MGD (million gallons per day)2022
Bryson WWTPBryson0.05 MGD (million gallons per day)2022
Cuney WWTPCuney0.05 MGD (million gallons per day)2022
BEECHWOOD STP #1Hemphill0.05 MGD (million gallons per day)2022
Bronson WWTPBronson0.05 MGD (million gallons per day)2022
Seawolf Park WWTPGalveston0.05 MGD (million gallons per day)2022
New Ulm WWTPNew Ulm0.05 MGD (million gallons per day)2022
Manvel WWTPManvel0.05 MGD (million gallons per day)2022
Fayetteville WWTPFayetteville0.05 MGD (million gallons per day)2022
Ellinger WWTPEllinger0.05 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.