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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
SCANDIA WWTPScandia0.05 MGD (million gallons per day)2022
BERN WWTPBern0.05 MGD (million gallons per day)2022
GRAINFIELD WWTPGrainfield0.05 MGD (million gallons per day)2022
KIRWIN WWTPKirwin0.05 MGD (million gallons per day)2022
LENORA WWTPLenora0.05 MGD (million gallons per day)2022
WILROADS GARDENS I D WWTPDodge City0.05 MGD (million gallons per day)2022
KEVIL STPKevil0.05 MGD (million gallons per day)2022
COLUMBIA SEWERAGE SYSTEMColumbia0.05 MGD (million gallons per day)2022
FOLSOM STPFolsom0.05 MGD (million gallons per day)2022
NORTH HODGE STPHodge0.05 MGD (million gallons per day)2022
ELIZABETH STPElizabeth0.05 MGD (million gallons per day)2022
ATHENS STPAthens0.05 MGD (million gallons per day)2022
GRAND CANE STPGrand Cane0.05 MGD (million gallons per day)2022
Village of WilsonWilson0.05 MGD (million gallons per day)2022
TURKEY CREEK STPTurkey Creek0.05 MGD (million gallons per day)2022
CHATAIGNIER PONDChataignier0.05 MGD (million gallons per day)2022
GROSSE TETE STPGrosse Tete0.05 MGD (million gallons per day)2022
FENTON WWSSFenton0.05 MGD (million gallons per day)2022
CHOUDRANT STPChoudrant0.05 MGD (million gallons per day)2022
BONITA STPBonita0.05 MGD (million gallons per day)2022
HALL SUMMIT LAGOONHall Summit0.05 MGD (million gallons per day)2022
HORNBECK WWCTSHornbeck0.05 MGD (million gallons per day)2022
QUODDY VILLAGE WWTFEastport0.05 MGD (million gallons per day)2022
Barton Business Park WWTPCumberland0.05 MGD (million gallons per day)2022
WHITE ROCK WWTPFrederick0.05 MGD (million gallons per day)2022
Bloomington WWTPBloomington0.05 MGD (million gallons per day)2022
Forrest Farm WWTFHollywood0.05 MGD (million gallons per day)2022
Victor Cullen WWTPSabillasville0.05 MGD (million gallons per day)2022
Easton Sewerage Collection System and WWTFNorth Easton0.05 MGD (million gallons per day)2022
Charlemont Sewer Collection System and WWTFCharlemont0.05 MGD (million gallons per day)2022
ASHLEY WWSLAshley0.05 MGD (million gallons per day)2022
OWENDALE WWSLOwendale0.05 MGD (million gallons per day)2022
SAND LAKE LAGOONSGrand Rapids0.05 MGD (million gallons per day)2022
KINGSTON STPKingston0.05 MGD (million gallons per day)2022
PECK STPPeck0.05 MGD (million gallons per day)2022
MARENISCO TWP STPMarenisco0.05 MGD (million gallons per day)2022
FAIRFIELD TWP (WESTON) WWSLWeston0.05 MGD (million gallons per day)2022
HAYWARD WWTPHayward0.05 MGD (million gallons per day)2022
NORTHROP WWTPNorthrop0.05 MGD (million gallons per day)2022
NEW AUBURN WWTPNew Auburn0.05 MGD (million gallons per day)2022
DARWIN WWTPDarwin0.05 MGD (million gallons per day)2022
HANSKA WWTFHanska0.05 MGD (million gallons per day)2022
ASKOV WWTPAskov0.05 MGD (million gallons per day)2022
DUNNELL WWTFDunnell0.05 MGD (million gallons per day)2022
SILVER CREEK POTWSilver Creek0.05 MGD (million gallons per day)2022
Grandview Amenities WWTPLake Ozark0.05 MGD (million gallons per day)2022
JCPSD Sycamore Springs MHP WWTPHouse Springs0.05 MGD (million gallons per day)2022
SCCPWSD #2 Castlegate MHP and ProvidenceWentzville0.05 MGD (million gallons per day)2022
BCRSD Kinkade Crossing WWTPColumbia0.05 MGD (million gallons per day)2022
Sunrise Beach WWTF - Phase IISunrise Beach0.05 MGD (million gallons per day)2022
Malta Bend WWTPMalta Bend0.05 MGD (million gallons per day)2022
Calhoun WWTPCalhoun0.05 MGD (million gallons per day)2022
Browning WWTPBrowning0.05 MGD (million gallons per day)2022
Lake Adelle Sewer DistCedar Hill0.05 MGD (million gallons per day)2022
Forest City WWTPForest City0.05 MGD (million gallons per day)2022
Wheeling WWTPWheeling0.05 MGD (million gallons per day)2022
FCPWSD #3, Red BarnVilla Ridge0.05 MGD (million gallons per day)2022
Bosworth WWTPBosworth0.05 MGD (million gallons per day)2022
Bell City WWTPBell City0.05 MGD (million gallons per day)2022
Bakersfield WWTPBakersfield0.05 MGD (million gallons per day)2022
Eolia WWTPEolia0.05 MGD (million gallons per day)2022
Gilman CITY WWTPGilman City0.05 MGD (million gallons per day)2022
Laredo WWTPLaredo0.05 MGD (million gallons per day)2022
Mercer WWTPMercer0.05 MGD (million gallons per day)2022
Wyaconda WWTPWyaconda0.05 MGD (million gallons per day)2022
Atlanta WWTPAtlanta0.05 MGD (million gallons per day)2022
Linn Creek WWTPLinn Creek0.05 MGD (million gallons per day)2022
Sunrise Beach WWTPSunrise Beach0.05 MGD (million gallons per day)2022
Jakes Creek Trail Area WWTPBranson0.05 MGD (million gallons per day)2022
Preston WWTFPreston0.05 MGD (million gallons per day)2022
Gasconade WWTPGasconade0.05 MGD (million gallons per day)2022
RYEGATE WWTPRyegate0.05 MGD (million gallons per day)2022
ROBERTS (CARBON CO. COMM)Roberts0.05 MGD (million gallons per day)2022
Wolf Creek WWTFWolf Creek0.05 MGD (million gallons per day)2022
ORLEANS WWTPOrleans0.05 MGD (million gallons per day)2022
ADAMS WWTPAdams0.05 MGD (million gallons per day)2022
CORTLAND WWTPCortland0.05 MGD (million gallons per day)2022
ODELL WWTPOdell0.05 MGD (million gallons per day)2022
BRULE WWTPBrule0.05 MGD (million gallons per day)2022
CALLAWAY WWTPCallaway0.05 MGD (million gallons per day)2022
BEAVER CITY WWTPBeaver City0.05 MGD (million gallons per day)2022
CHESTER WWTPChester0.05 MGD (million gallons per day)2022
CLARKS WWTPClarks0.05 MGD (million gallons per day)2022
CLEARWATER WWTPClearwater0.05 MGD (million gallons per day)2022
DAVENPORT WWTPDavenport0.05 MGD (million gallons per day)2022
SNYDER WWTPSnyder0.05 MGD (million gallons per day)2022
HAMPTON WWTPHampton0.05 MGD (million gallons per day)2022
HILDRETH WWTPHildreth0.05 MGD (million gallons per day)2022
LYMAN WWTPLyman0.05 MGD (million gallons per day)2022
MULLEN WWTPMullen0.05 MGD (million gallons per day)2022
NIOBRARA WWTPNiobrara0.05 MGD (million gallons per day)2022
PILGER WWTPPilger0.05 MGD (million gallons per day)2022
PLATTE CENTER WWTPPlatte Center0.05 MGD (million gallons per day)2022
PLYMOUTH WWTPPlymouth0.05 MGD (million gallons per day)2022
JUNIATA WWTPJuniata0.05 MGD (million gallons per day)2022
SHICKLEY WWTPShickley0.05 MGD (million gallons per day)2022
SILVER CREEK WWTPSilver Creek0.05 MGD (million gallons per day)2022
STRATTON WWTPStratton0.05 MGD (million gallons per day)2022
MEADOW GROVE WWTPMeadow Grove0.05 MGD (million gallons per day)2022
WALLACE WWTPWallace0.05 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.