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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
SOUTH MIDDLETON TWP STPBoiling Springs0.75 MGD (million gallons per day)2022
NORTHUMBERLAND BORO STPNorthumberland0.75 MGD (million gallons per day)2022
CURWENSVILLE STPCurwensville0.75 MGD (million gallons per day)2022
Jamestown WWTFJamestown0.75 MGD (million gallons per day)2022
CENTERVILLE STPCenterville0.75 MGD (million gallons per day)2022
Jellico Wastewater SystemJellico0.75 MGD (million gallons per day)2022
TELLICO RES. DEV. AGENCY STPVonore0.75 MGD (million gallons per day)2022
WARTBURG STPWartburg0.75 MGD (million gallons per day)2022
Industrial WWTPNew Boston0.75 MGD (million gallons per day)2022
Riverbend WRD Industrial WWTPNew Boston0.75 MGD (million gallons per day)2022
McGee Bend Regional WWTPLufkin0.75 MGD (million gallons per day)2022
Dimmit WWTPDimmitt0.75 MGD (million gallons per day)2022
San Diego MUD WWTPSan Diego0.75 MGD (million gallons per day)2022
Bowie Park WWTPPort Isabel0.75 MGD (million gallons per day)2022
Chase Field WWTPBeeville0.75 MGD (million gallons per day)2022
Olmito WWTPOlmito0.75 MGD (million gallons per day)2022
Wild Horse Ranch WWTPAustin0.75 MGD (million gallons per day)2022
Rockdale WWTPRockdale0.75 MGD (million gallons per day)2022
Joshua WWTPJoshua0.75 MGD (million gallons per day)2022
Hughes Springs WWTPHughes Springs0.75 MGD (million gallons per day)2022
CENTRAL GARDENS STPNederland0.75 MGD (million gallons per day)2022
Oak Lane WWTPVidor0.75 MGD (million gallons per day)2022
Brazoria WWTPBrazoria0.75 MGD (million gallons per day)2022
West ClevelandCleveland0.75 MGD (million gallons per day)2022
Bilma PUD WWTPHouston0.75 MGD (million gallons per day)2022
Woodland Trails WWTPHouston0.75 MGD (million gallons per day)2022
Carriage Lane WWTPHouston0.75 MGD (million gallons per day)2022
Northhampton WWTPHouston0.75 MGD (million gallons per day)2022
ShenandoahConroe0.75 MGD (million gallons per day)2022
Eagle Lake WWTPEagle Lake0.75 MGD (million gallons per day)2022
Kingsland WWTPKingsland0.75 MGD (million gallons per day)2022
Lyndon WWTFLyndonville0.75 MGD (million gallons per day)2022
Vergennes WWTFVergennes0.75 MGD (million gallons per day)2022
ONANCOCK STPOnancock0.75 MGD (million gallons per day)2022
THREE CREEKS STPEmporia0.75 MGD (million gallons per day)2022
ROUND HILL STPRound Hill0.75 MGD (million gallons per day)2022
DAYTON STPDayton0.75 MGD (million gallons per day)2022
MOSES LAKE STPMoses Lake0.75 MGD (million gallons per day)2022
PCSPSD - Hazelton WWTPBruceton Mills0.75 MGD (million gallons per day)2022
OAK HILL - ROUTE 61 WWTPCharleston0.75 MGD (million gallons per day)2022
WHITE OAK PSD WWTPGlen Jean0.75 MGD (million gallons per day)2022
ROMNEY WWTPRomney0.75 MGD (million gallons per day)2022
RAVENSWOOD WWTPRavenswood0.75 MGD (million gallons per day)2022
BUFFALO CREEK PSD WWTPAmherstdale0.75 MGD (million gallons per day)2022
MORGANTOWN - CHEAT LAKE WWTPMorgantown0.75 MGD (million gallons per day)2022
RED SULPHUR PSD WWTPPeterstown0.75 MGD (million gallons per day)2022
KEWASKUM WWTPKewaskum0.75 MGD (million gallons per day)2022
MEDFORD WWTPMedford0.75 MGD (million gallons per day)2022
LAKELAND SD #1 STP (Oneida)Minocqua0.75 MGD (million gallons per day)2022
KEMMERER WWTPKemmerer0.75 MGD (million gallons per day)2022
Parkville WWTPKansas City0.749 MGD (million gallons per day)2022
EVANSVILLE WWTPEvansville0.742 MGD (million gallons per day)2022
Salem WWTPSalem0.741 MGD (million gallons per day)2022
RAINBOW CITY LAGOONGadsden0.74 MGD (million gallons per day)2022
ABINGDON STPAbingdon0.74 MGD (million gallons per day)2022
FranklintonFranklinton0.74 MGD (million gallons per day)2022
CARLETON LAGOONCarleton0.74 MGD (million gallons per day)2022
Branson West, S. Aunts CreekBranson0.74 MGD (million gallons per day)2022
Tipton WWTPTipton0.74 MGD (million gallons per day)2022
SEMINOLE WWTSeminole0.74 MGD (million gallons per day)2022
GREENBRIER STPGreenbrier0.74 MGD (million gallons per day)2022
Oliver Springs WWTPOliver Springs0.74 MGD (million gallons per day)2022
LANCASTER STPLancaster0.74 MGD (million gallons per day)2022
DeWitt WWTPDe Witt0.738 MGD (million gallons per day)2022
PILOT POINT STPPilot Point0.735 MGD (million gallons per day)2022
Town of Sneads WWTFSneads0.733 MGD (million gallons per day)2022
ELKADER WWTPElkader0.733 MGD (million gallons per day)2022
Nome Aerated LagoonNome0.73 MGD (million gallons per day)2022
Mountain View WWTPMountain View0.73 MGD (million gallons per day)2022
OLATHE WWTPOlathe0.73 MGD (million gallons per day)2022
MORTON STP 3Morton0.73 MGD (million gallons per day)2022
SHELBYVILLE STPShelbyville0.73 MGD (million gallons per day)2022
STUART WWTPStuart0.73 MGD (million gallons per day)2022
HARDINSBURG STPHardinsburg0.73 MGD (million gallons per day)2022
Randolph (T) WWTPRandolph0.73 MGD (million gallons per day)2022
Minoa (V) WWTPMinoa0.73 MGD (million gallons per day)2022
TOLEDO STPToledo0.73 MGD (million gallons per day)2022
Tornillo WWTPTornillo0.73 MGD (million gallons per day)2022
Comanche WWTPComanche0.73 MGD (million gallons per day)2022
Mission West WWTPHouston0.73 MGD (million gallons per day)2022
Nixon WWTPNixon0.73 MGD (million gallons per day)2022
REINBECK WWTPReinbeck0.728 MGD (million gallons per day)2022
COKATO WWTPCokato0.726 MGD (million gallons per day)2022
Burnet WWTPBurnet0.726 MGD (million gallons per day)2022
COAL CITY STPCoal City0.725 MGD (million gallons per day)2022
Kingston Sewerage Collection System and WWTFKingston0.725 MGD (million gallons per day)2022
Delta WWTP & Sewer SystemDelta0.725 MGD (million gallons per day)2022
JACKSON WWTPJackson0.722 MGD (million gallons per day)2022
PINEVILLE STP& CSOPineville0.721 MGD (million gallons per day)2022
Lake of the Pines WWTPAuburn0.72 MGD (million gallons per day)2022
CASCADE SEWAGE LAGOONCascade0.72 MGD (million gallons per day)2022
CHANNAHON STPChannahon0.72 MGD (million gallons per day)2022
COLUMBUS JUNCTION STLColumbus Junction0.72 MGD (million gallons per day)2022
GOWRIE WWTPGowrie0.72 MGD (million gallons per day)2022
ULYSSES WWTPUlysses0.72 MGD (million gallons per day)2022
HWEA - OAK GROVE WTPOak Grove0.72 MGD (million gallons per day)2022
NEWELLTON PONDNewellton0.72 MGD (million gallons per day)2022
Otsego West WWTPRogers0.72 MGD (million gallons per day)2022
BLAIRSVILLE STPBlairsville0.72 MGD (million gallons per day)2022
QUINCY DOMESTIC STPQuincy0.72 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.