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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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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
HILLMAN STPHillman0.07 MGD (million gallons per day)2022
EAU CLAIRE LAGOONEau Claire0.07 MGD (million gallons per day)2022
PEWAMO WWTPPewamo0.07 MGD (million gallons per day)2022
ROSEBUSH WWSLRosebush0.07 MGD (million gallons per day)2022
INTERIOR TWP STPTrout Creek0.07 MGD (million gallons per day)2022
PICKFORD TWP STPPickford0.07 MGD (million gallons per day)2022
OTISVILLE LAGOON, CSOtisville0.07 MGD (million gallons per day)2022
NEW LOTHROP WWTPNew Lothrop0.07 MGD (million gallons per day)2022
JEFFERS WWTPJeffers0.07 MGD (million gallons per day)2022
GENEVA WWTPGeneva0.07 MGD (million gallons per day)2022
SACRED HEART WWTPSacred Heart0.07 MGD (million gallons per day)2022
STOCKTON WWTPStockton0.07 MGD (million gallons per day)2022
UTICA POTW, SOUTHUtica0.07 MGD (million gallons per day)2022
LAKE LORMAN POTWMadison0.07 MGD (million gallons per day)2022
Hillsboro North WWTFHillsboro0.07 MGD (million gallons per day)2022
JCPSD Lockeport WWTFHillsboro0.07 MGD (million gallons per day)2022
MDOC Maryville Treatment Center WWTPMaryville0.07 MGD (million gallons per day)2022
CGCRCSD Mulberry Acres WWTFJackson0.07 MGD (million gallons per day)2022
Edgerton WWTPEdgerton0.07 MGD (million gallons per day)2022
Union Star WWTPUnion Star0.07 MGD (million gallons per day)2022
Bates City WWTPBates City0.07 MGD (million gallons per day)2022
Corder N. LagoonCorder0.07 MGD (million gallons per day)2022
Bloomsdale WPC PlantBloomsdale0.07 MGD (million gallons per day)2022
TWIN BRIDGES WWTPTwin Bridges0.07 MGD (million gallons per day)2022
CHINOOK WWTPChinook0.07 MGD (million gallons per day)2022
AXTELL, WWTPAxtell0.07 MGD (million gallons per day)2022
BANCROFT WWTPBancroft0.07 MGD (million gallons per day)2022
BENNET WWTPBennet0.07 MGD (million gallons per day)2022
CEDAR BLUFFS STPCedar Bluffs0.07 MGD (million gallons per day)2022
CLARKSON, WWTPClarkson0.07 MGD (million gallons per day)2022
CULBERTSON WWTPCulbertson0.07 MGD (million gallons per day)2022
ELWOOD WWTPElwood0.07 MGD (million gallons per day)2022
DODGE WWTPDodge0.07 MGD (million gallons per day)2022
HERSHEY WWTPHershey0.07 MGD (million gallons per day)2022
HOWELLS WWTPHowells0.07 MGD (million gallons per day)2022
OVERTON WWTPOverton0.07 MGD (million gallons per day)2022
TRENTON WWTPTrenton0.07 MGD (million gallons per day)2022
WAUSA WWTPWausa0.07 MGD (million gallons per day)2022
ELMWOOD WWTPElmwood0.07 MGD (million gallons per day)2022
BEAVER CROSSING WWTPBeaver Crossing0.07 MGD (million gallons per day)2022
SARPY CO. SID # 97 WWTP HAWAIIAN VLPapillion0.07 MGD (million gallons per day)2022
ALAMO WWTFAustin0.07 MGD (million gallons per day)2022
Suffolk (Co) SCSD #25 Calverton Hills STP & SewersCalverton0.07 MGD (million gallons per day)2022
Suffolk (Co) SCSD #23 Coventry ManorMiddle Island0.07 MGD (million gallons per day)2022
Blooming Grove (T) Tappan SD WWTPWashingtonville0.07 MGD (million gallons per day)2022
Dannemora (T) Lyon Mtn. STPLyon Mountain0.07 MGD (million gallons per day)2022
Theresa (V) Morgan Street WWTP and PSsTheresa0.07 MGD (million gallons per day)2022
Croghan (V) STPCroghan0.07 MGD (million gallons per day)2022
CROSSNORE WWTPCrossnore0.07 MGD (million gallons per day)2022
TRENTON WWTPTrenton0.07 MGD (million gallons per day)2022
KINDRED WASTEWATERKindred0.07 MGD (million gallons per day)2022
ARGUSVILLE WASTEWATERArgusville0.07 MGD (million gallons per day)2022
FORMAN WASTEWATERForman0.07 MGD (million gallons per day)2022
EDGELEY WASTEWATEREdgeley0.07 MGD (million gallons per day)2022
DUNSEITH WASTEWATERDunseith0.07 MGD (million gallons per day)2022
ELGIN WASTEWATERElgin0.07 MGD (million gallons per day)2022
EMERADO WASTEWATEREmerado0.07 MGD (million gallons per day)2022
GLEN ULLIN WASTEWATERGlen Ullin0.07 MGD (million gallons per day)2022
LIDGERWOOD WASTEWATERLidgerwood0.07 MGD (million gallons per day)2022
NEW ENGLAND WASTEWATERNew England0.07 MGD (million gallons per day)2022
Coventry Estates WWTPCambridge0.07 MGD (million gallons per day)2022
Wayne County Burbank WWTP & SewersBurbank0.07 MGD (million gallons per day)2022
Rock Creek WWTP & Sewer SystemRock Creek0.07 MGD (million gallons per day)2022
Shelby Co Arrowhead Hills WWTPSidney0.07 MGD (million gallons per day)2022
Geauga Co Aquilla WWTPChardon0.07 MGD (million gallons per day)2022
New Bloomington WWTP & SewersNew Bloomington0.07 MGD (million gallons per day)2022
Vanlue WWTP & Sewer SystemVanlue0.07 MGD (million gallons per day)2022
Geauga Co Auburn Corners WWTPChagrin Falls0.07 MGD (million gallons per day)2022
Sugar Grove WWTP & Sewer SystemSugar Grove0.07 MGD (million gallons per day)2022
Stark Co Dee Mar Allotment WWTPNavarre0.07 MGD (million gallons per day)2022
PORUM PWA WWTPorum0.07 MGD (million gallons per day)2022
COVINGTON WWTCovington0.07 MGD (million gallons per day)2022
LEFLORE #5 (HOWE) WWTLeflore0.07 MGD (million gallons per day)2022
ACHILLE PUA WWTAchille0.07 MGD (million gallons per day)2022
KANSAS WWTKansas0.07 MGD (million gallons per day)2022
ARNETT WWTArnett0.07 MGD (million gallons per day)2022
DRUMMOND PWA WWTDrummond0.07 MGD (million gallons per day)2022
ELDORADO WWTEldorado0.07 MGD (million gallons per day)2022
MANNSVILLE WWTMannsville0.07 MGD (million gallons per day)2022
CASHION WWTCashion0.07 MGD (million gallons per day)2022
STONEWALL WWTStonewall0.07 MGD (million gallons per day)2022
BLY STPBly0.07 MGD (million gallons per day)2022
BONANZA STPBonanza0.07 MGD (million gallons per day)2022
BUTTE FALLS STPButte Falls0.07 MGD (million gallons per day)2022
POWERS STPPowers0.07 MGD (million gallons per day)2022
Newell, Town ofNewell0.07 MGD (million gallons per day)2022
Lake Preston, City ofLake Preston0.07 MGD (million gallons per day)2022
Follett WWTPFollett0.07 MGD (million gallons per day)2022
Matador WWTPMatador0.07 MGD (million gallons per day)2022
Grandfalls WWTPGrandfalls0.07 MGD (million gallons per day)2022
Demi John Area WWTPFreeport0.07 MGD (million gallons per day)2022
THRALL STPThrall0.07 MGD (million gallons per day)2022
Meadowlakes WWTPMarble Falls0.07 MGD (million gallons per day)2022
Midway WWTPMadisonville0.07 MGD (million gallons per day)2022
Josephine WWTPJosephine0.07 MGD (million gallons per day)2022
Fruitvale WWTPFruitvale0.07 MGD (million gallons per day)2022
Industry WWTPIndustry0.07 MGD (million gallons per day)2022
Royalton WWTFSouth Royalton0.07 MGD (million gallons per day)2022
NICKLESVILLE STPNickelsville0.07 MGD (million gallons per day)2022
CONCONULLY POTWConconully0.07 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.