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

Wastewater treatment plants in the United States

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All countries

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
TATUMS WWTTatums0.02 MGD (million gallons per day)2022
HUNTER WWTHunter0.02 MGD (million gallons per day)2022
DEER CREEK WWTDeer Creek0.02 MGD (million gallons per day)2022
GOULD WWTGould0.02 MGD (million gallons per day)2022
STUART WWTStuart0.02 MGD (million gallons per day)2022
JEFFERSON CO. #1 (HASTINGS) WWTHastings0.02 MGD (million gallons per day)2022
ORLANDO WWTOrlando0.02 MGD (million gallons per day)2022
AMES WWTAmes0.02 MGD (million gallons per day)2022
MENO WWTMeno0.02 MGD (million gallons per day)2022
GLENCOE SW WWTGlencoe0.02 MGD (million gallons per day)2022
REYDON WWTReydon0.02 MGD (million gallons per day)2022
FOYIL WWTFoyil0.02 MGD (million gallons per day)2022
SASAKWA MA WWTSasakwa0.02 MGD (million gallons per day)2022
TEXAS CO. #1(ADAMS) WWTAdams0.02 MGD (million gallons per day)2022
VERA WWTVera0.02 MGD (million gallons per day)2022
BESSIE WWTBessie0.02 MGD (million gallons per day)2022
ROCKY WWTRocky0.02 MGD (million gallons per day)2022
DACOMA WWTDacoma0.02 MGD (million gallons per day)2022
Port of Tillamook BayTillamook0.02 MGD (million gallons per day)2022
Alpine County Service DistrictMonroe0.02 MGD (million gallons per day)2022
COVE ORCHARD SEWER SERVICE DISTMcminnville0.02 MGD (million gallons per day)2022
Mission Hill, Town ofMission Hill0.02 MGD (million gallons per day)2022
Pickerel Lake Sanitary DistrictGrenville0.02 MGD (million gallons per day)2022
SUNBRIGHT STPSunbright0.02 MGD (million gallons per day)2022
GRUNDY CO WWTPAltamont0.02 MGD (million gallons per day)2022
O'Brien WWTPO Brien0.02 MGD (million gallons per day)2022
Morgan's Point Resort WWTPBelton0.02 MGD (million gallons per day)2022
Barry WWTPBarry0.02 MGD (million gallons per day)2022
Randolph WWTPRandolph0.02 MGD (million gallons per day)2022
Petty WWTPPetty0.02 MGD (million gallons per day)2022
Heritage Park WWTPCrosby0.02 MGD (million gallons per day)2022
Carmine WWTPCarmine0.02 MGD (million gallons per day)2022
Windsor Weston Heights WWTFWindsor0.02 MGD (million gallons per day)2022
EAGLE ROCK SEWER SYSTEMEagle Rock0.02 MGD (million gallons per day)2022
GLEN WILTON SEW SYSTEMEagle Rock0.02 MGD (million gallons per day)2022
AUSTINVILLE WWTP & Coll. Sys.Austinville0.02 MGD (million gallons per day)2022
Port of Kalama WWTFKalama0.02 MGD (million gallons per day)2022
RUSTLEWOOD DEV STPShelton0.02 MGD (million gallons per day)2022
CoolfontBerkeley Springs0.02 MGD (million gallons per day)2022
MARSHALL CO SD - WILLIAMSBURG WWTPGlen Dale0.02 MGD (million gallons per day)2022
PCPSD - INN AT SNOWSHOE WWTPSnowshoe0.02 MGD (million gallons per day)2022
BRADLEY PSD - WALHONDE #1 WWTPBradley0.02 MGD (million gallons per day)2022
WAYNE - PIONEER PLAZA WWTPWayne0.02 MGD (million gallons per day)2022
BELL SD #1 STPCornucopia0.02 MGD (million gallons per day)2022
CLOVER SD #1 STPHerbster0.02 MGD (million gallons per day)2022
Ho-Chunk Blue Wing WWTPTomah0.02 MGD (million gallons per day)2022
LUBLIN WWTPLublin0.02 MGD (million gallons per day)2022
MAPLEWOOD SD #1 STPMaplewood0.02 MGD (million gallons per day)2022
HUSTLER STPHustler0.02 MGD (million gallons per day)2022
FRANNIE LAGOONPowell0.02 MGD (million gallons per day)2022
MANDERSON WWTPManderson0.02 MGD (million gallons per day)2022
ALBIN LAGOONAlbin0.02 MGD (million gallons per day)2022
MINEOLA CDPMineola0.019 MGD (million gallons per day)2022
ELWOOD COMMUNITY SDLost Nation0.019 MGD (million gallons per day)2022
MILLERSBURG WWTPNorth English0.019 MGD (million gallons per day)2022
MT AUBURN WWTPMount Auburn0.019 MGD (million gallons per day)2022
CASTALIA STLCastalia0.019 MGD (million gallons per day)2022
WEBB STPWebb0.019 MGD (million gallons per day)2022
SOLDIER WWTPSoldier0.019 MGD (million gallons per day)2022
RANDALL WWTPRandall0.019 MGD (million gallons per day)2022
FR CO SD CENTROPOLIS WWTPOttawa0.019 MGD (million gallons per day)2022
AGRA WWTPAgra0.019 MGD (million gallons per day)2022
LONG ISLAND WWTPLong Island0.019 MGD (million gallons per day)2022
GRENOLA WWTPGrenola0.019 MGD (million gallons per day)2022
RUMFORD POINT PLANTRumford0.019 MGD (million gallons per day)2022
PORTER WWTPPorter0.019 MGD (million gallons per day)2022
Baring Area Wastewater SystemBaring0.019 MGD (million gallons per day)2022
Twin Lakes SubdColumbia0.019 MGD (million gallons per day)2022
FCPWSD #3, Twin View WWTPVilla Ridge0.019 MGD (million gallons per day)2022
MANLEY WWTPManley0.019 MGD (million gallons per day)2022
Trumbull Co Vienna #1 WWTPVienna0.019 MGD (million gallons per day)2022
KENEFIC WWTKenefic0.019 MGD (million gallons per day)2022
DODGE SD #1 - STPDodge0.019 MGD (million gallons per day)2022
Deering LagoonDeering0.018 MGD (million gallons per day)2022
Egegik LagoonEgegik0.018 MGD (million gallons per day)2022
Letona WWTPLetona0.018 MGD (million gallons per day)2022
Bethune, Town ofBethune0.018 MGD (million gallons per day)2022
MaeystownMaeystown0.018 MGD (million gallons per day)2022
Salamonia WWTPSalamonia0.018 MGD (million gallons per day)2022
BERNARD STPBernard0.018 MGD (million gallons per day)2022
DECATUR CITY WWTPDecatur0.018 MGD (million gallons per day)2022
LONE ROCK STLLone Rock0.018 MGD (million gallons per day)2022
OTO LAGOONOto0.018 MGD (million gallons per day)2022
TINGLEY WASTEWATERTingley0.018 MGD (million gallons per day)2022
WESTFIELD WWTPWestfield0.018 MGD (million gallons per day)2022
CULLISON WWTPPratt0.018 MGD (million gallons per day)2022
PRESTON WWTPTuron0.018 MGD (million gallons per day)2022
WILLOWBROOK WWTPHutchinson0.018 MGD (million gallons per day)2022
PALMER WWTPPalmer0.018 MGD (million gallons per day)2022
BAILEYVILLE I D WWTPBaileyville0.018 MGD (million gallons per day)2022
LIBERTY WWTPEdna0.018 MGD (million gallons per day)2022
PATTEN STPPatten0.018 MGD (million gallons per day)2022
W.E. Sears Youth CenterPoplar Bluff0.018 MGD (million gallons per day)2022
PCPWSD No. 2 College Hills North WWTPRolla0.018 MGD (million gallons per day)2022
CGCRCSD Sun Valley Estates WWTFJackson0.018 MGD (million gallons per day)2022
PCPWSD No. 2 Forest Lakes Subd WWTPRolla0.018 MGD (million gallons per day)2022
SCCPWSD #2 Dutzow WWTFDutzow0.018 MGD (million gallons per day)2022
Pickering WWTPPickering0.018 MGD (million gallons per day)2022
Asbury WWTPAsbury0.018 MGD (million gallons per day)2022
Sumner WWTPSumner0.018 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.