981 88 38 39·669 278 974 Mon–Fri · International shipping
comercial.asb.sl@aguassb.com ISO 9001 · view certificate
Central · 981 88 38 39 Comercial · 669 278 974 Central de ventas · 616 600 780 comercial.asb.sl@aguassb.com ISO 9001 · view certificate

ES · English

Request a study
669 278 974 Request a study

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

Wastewater treatment plants in the United States

← Back to the map

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
Butler Co LeSourdsville WWTPHamilton15 MGD (million gallons per day)2022
Findlay WWTP & Sewer SystemFindlay15 MGD (million gallons per day)2022
Lorain Black River WWTPLorain15 MGD (million gallons per day)2022
Sewer District #500 (Liverpool)Valley City15 MGD (million gallons per day)2022
OKC-DEER CREEK WWTOklahoma City15 MGD (million gallons per day)2022
LANCASTER AREA SEWER AUTH STPLancaster15 MGD (million gallons per day)2022
BCW&SA/Lower Berkeley WWTFGoose Creek15 MGD (million gallons per day)2022
Florence/Main PlantFlorence15 MGD (million gallons per day)2022
BRISTOL WWTP #2Bluff City15 MGD (million gallons per day)2022
Turkey Creek STPKnoxville15 MGD (million gallons per day)2022
Lewisville WWTPLewisville15 MGD (million gallons per day)2022
Jordan Basin WRFRiverton15 MGD (million gallons per day)2022
MOORES CREEK STPCharlottesville15 MGD (million gallons per day)2022
YORK RIVER W P C FSeaford15 MGD (million gallons per day)2022
SALMON CREEK STPVancouver14.95 MGD (million gallons per day)2022
Modesto, City of (Jennings WWTF)Modesto14.9 MGD (million gallons per day)2022
GAINESVILLE KANAPAHA #5Gainesville14.9 MGD (million gallons per day)2022
MASON CITY WWTPMason City14.9 MGD (million gallons per day)2022
ANNISTON CHOCCOLOCCO WWTPOxford14.75 MGD (million gallons per day)2022
GREELEY WWTPGreeley14.7 MGD (million gallons per day)2022
JO CO ICMB WWTPOverland Park14.5 MGD (million gallons per day)2022
Miamisburg WWTP & Sewer SystemMiamisburg14.5 MGD (million gallons per day)2022
Annapolis City WWTPAnnapolis14.4 MGD (million gallons per day)2022
LEWISTON-AUBURN W W T PLewiston14.2 MGD (million gallons per day)2022
East Providence WPCFRiverside14.2 MGD (million gallons per day)2022
CMCMUA - Wildwood/Lower Service Regional STPRio Grande14.18 MGD (million gallons per day)2022
NAMPA STPNampa14.1 MGD (million gallons per day)2022
Niagara (Co) SD #1 WWTPNiagara Falls14.08 MGD (million gallons per day)2022
MSD Sycamore Creek Drainage BasinCincinnati14.01 MGD (million gallons per day)2022
Pine Bluff WWTPPine Bluff14 MGD (million gallons per day)2022
Rogers WWTPRogers14 MGD (million gallons per day)2022
Ventura Water Reclamation FacilityVentura14 MGD (million gallons per day)2022
Hill Canyon WWTPCamarillo14 MGD (million gallons per day)2022
IEUA Regional Plant No.4Rancho Cucamonga14 MGD (million gallons per day)2022
Southwest District WRFJacksonville14 MGD (million gallons per day)2022
Shady Hills Subregional WWTFSpring Hill14 MGD (million gallons per day)2022
SOUTH BERMUDA PLANTKissimmee14 MGD (million gallons per day)2022
Athens North Oconee WRPAthens14 MGD (million gallons per day)2022
JOLIET-WESTSIDE STPJoliet14 MGD (million gallons per day)2022
CARMEL WWTPIndianapolis14 MGD (million gallons per day)2022
COLUMBUS WWTPColumbus14 MGD (million gallons per day)2022
COUNCIL BLUFFS WWTPCouncil Bluffs14 MGD (million gallons per day)2022
OCEAN CITY WWTPOcean City14 MGD (million gallons per day)2022
HOMINY CREEK WWTPWilson14 MGD (million gallons per day)2022
COOKEVILLE STPCookeville14 MGD (million gallons per day)2022
LOUDON STPLoudon14 MGD (million gallons per day)2022
MARYVILLE REGIONAL STPMaryville14 MGD (million gallons per day)2022
Zacate Creek WWTPLaredo14 MGD (million gallons per day)2022
Vince Bayou WWTPPasadena14 MGD (million gallons per day)2022
CHARLESTON WWTPCharleston14 MGD (million gallons per day)2022
WAUKESHA STPWaukesha14 MGD (million gallons per day)2022
FARGO WASTEWATERFargo13.836 MGD (million gallons per day)2022
MUSKOGEE UA WWTMuskogee13.74 MGD (million gallons per day)2022
Lakeland, City of - Glendale WRFLakeland13.7 MGD (million gallons per day)2022
HARVEY PLANTHarvey13.7 MGD (million gallons per day)2022
Stony Brook RSA-River Rd STP/ Princeton CS-TPPrinceton13.7 MGD (million gallons per day)2022
KENNER STP 3Kenner13.55 MGD (million gallons per day)2022
SANTA MARIA WWTFSanta Maria13.5 MGD (million gallons per day)2022
VALLEY SD WWTFIndio13.5 MGD (million gallons per day)2022
Clearwater Northeast WRFClearwater13.5 MGD (million gallons per day)2022
Brunswick-Glynn County Academy Creek WPCPBrunswick13.5 MGD (million gallons per day)2022
QUINCY, CITY OFQuincy13.5 MGD (million gallons per day)2022
Wayne Township - CS/STPWayne13.5 MGD (million gallons per day)2022
Las Cruces, City of WWTPLas Cruces13.5 MGD (million gallons per day)2022
MASON FARM WWTPChapel Hill13.5 MGD (million gallons per day)2022
MEBANE BRIDGE (EDEN) WWTPEden13.5 MGD (million gallons per day)2022
OREMOrem13.5 MGD (million gallons per day)2022
DUBUQUE WWTPDubuque13.47 MGD (million gallons per day)2022
CAPE CORAL EVEREST WWTPCape Coral13.4 MGD (million gallons per day)2022
Beltway Regional WWTPHouston13.34 MGD (million gallons per day)2022
Ewing Lawrence SA - CS/STPTrenton13.329 MGD (million gallons per day)2022
MARYSVILLE LAGOONMarysville13.3 MGD (million gallons per day)2022
Bayshore Regional SA - CS/STPUnion Beach13.226 MGD (million gallons per day)2022
BELOIT WWTPBeloit13.2 MGD (million gallons per day)2022
Ithaca (C) Ithaca Area STPIthaca13.1 MGD (million gallons per day)2022
MARSHALLTOWN WWTPMarshalltown13.04 MGD (million gallons per day)2022
SO SF-SAN BRUNO WWTFSouth San Francisco13 MGD (million gallons per day)2022
South Orange County Wastewater Authority (Latham WWTP)Dana Point13 MGD (million gallons per day)2022
LONGMONT WWTPLongmont13 MGD (million gallons per day)2022
Daytona Beach/BETHUNE POINT WRFDaytona Beach13 MGD (million gallons per day)2022
S FRK COEUR D ALENE RVR SD-PAGESmelterville13 MGD (million gallons per day)2022
ELIZABETHTOWNElizabethtown13 MGD (million gallons per day)2022
Santa Fe, City of WWTPSanta Fe13 MGD (million gallons per day)2022
Orangetown (T) SD#2 STPOrangeburg13 MGD (million gallons per day)2022
North Tonawanda (C) WWTPNorth Tonawanda13 MGD (million gallons per day)2022
Elyria WWTP & Sewer SystemElyria13 MGD (million gallons per day)2022
Montgomery Co Eastern Regional WWTP and SewersDayton13 MGD (million gallons per day)2022
TRI CITY WPCPOregon City13 MGD (million gallons per day)2022
EAST RICHLAND WTPColumbia13 MGD (million gallons per day)2022
Westside WWTPTyler13 MGD (million gallons per day)2022
Nacogdoches - WWTP # 2aNacogdoches12.88 MGD (million gallons per day)2022
MAWSS – Wright-Smith WWTPMobile12.8 MGD (million gallons per day)2022
Surprise SPA 1 WRFSurprise12.8 MGD (million gallons per day)2022
SOUTH CARY WWTPApex12.8 MGD (million gallons per day)2022
South WWTP - BrownsvilleBrownsville12.8 MGD (million gallons per day)2022
Fostoria WWTP & Sewer SystemFostoria12.7 MGD (million gallons per day)2022
Bob Derrington WWTPOdessa12.7 MGD (million gallons per day)2022
SCHWARTZ (PLANT G) WWTPConway12.63 MGD (million gallons per day)2022
Fayetteville - Noland WWTPFayetteville12.6 MGD (million gallons per day)2022
OPEQUON REGIONAL PLANTWinchester12.6 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.