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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
KELLIHER WWTPKelliher0.04 MGD (million gallons per day)2022
HENDRUM WWTPHendrum0.04 MGD (million gallons per day)2022
WAUBUN WWTPWaubun0.04 MGD (million gallons per day)2022
LANCASTER WWTPLancaster0.04 MGD (million gallons per day)2022
UTICA WWTPUtica0.04 MGD (million gallons per day)2022
MIDDLE RIVER WWTFMiddle River0.04 MGD (million gallons per day)2022
BLOMKEST WWTFBlomkest0.04 MGD (million gallons per day)2022
FOXWORTH POTWFoxworth0.04 MGD (million gallons per day)2022
Lakeway Village WWTPKissee Mills0.04 MGD (million gallons per day)2022
MDNR Sam A. Baker State Park WWTFPatterson0.04 MGD (million gallons per day)2022
CGCRCSD Arbor Trails Subdivision WWTPJackson0.04 MGD (million gallons per day)2022
CGCRCSD Bella Vista Subdivision WWTFJackson0.04 MGD (million gallons per day)2022
Irondale WWTPIrondale0.04 MGD (million gallons per day)2022
Ellsinore WWTPEllsinore0.04 MGD (million gallons per day)2022
Eagle Knoll WWTPHartsburg0.04 MGD (million gallons per day)2022
Conception Junction WWTPConception0.04 MGD (million gallons per day)2022
Houstonia WWTPHoustonia0.04 MGD (million gallons per day)2022
FCPWSD #3, Little Fox CreekLabadie0.04 MGD (million gallons per day)2022
Walker WWTPWalker0.04 MGD (million gallons per day)2022
Mindenmines WWTPMindenmines0.04 MGD (million gallons per day)2022
Eagleville WWTPEagleville0.04 MGD (million gallons per day)2022
Galt WWTPGalt0.04 MGD (million gallons per day)2022
Jamestown WWTFJamestown0.04 MGD (million gallons per day)2022
Spickard WWTPSpickard0.04 MGD (million gallons per day)2022
Montauk State ParkSalem0.04 MGD (million gallons per day)2022
Armstrong WWTPArmstrong0.04 MGD (million gallons per day)2022
Koshkonong WWTPKoshkonong0.04 MGD (million gallons per day)2022
Edgar Springs WWTPEdgar Springs0.04 MGD (million gallons per day)2022
WINNETT LAGOONSWinnett0.04 MGD (million gallons per day)2022
DRUMMOND WWTPDrummond0.04 MGD (million gallons per day)2022
FROID LAGOONFroid0.04 MGD (million gallons per day)2022
BUTTE WWTPButte0.04 MGD (million gallons per day)2022
COLERIDGE WWTPColeridge0.04 MGD (million gallons per day)2022
BRADY WWTPBrady0.04 MGD (million gallons per day)2022
BRUNING, WWTPBruning0.04 MGD (million gallons per day)2022
CEDAR RAPIDS WWTPCedar Rapids0.04 MGD (million gallons per day)2022
DECATUR WWTPDecatur0.04 MGD (million gallons per day)2022
COOK WWTPCook0.04 MGD (million gallons per day)2022
DILLER WWTPDiller0.04 MGD (million gallons per day)2022
EUSTIS, WWTPEustis0.04 MGD (million gallons per day)2022
FAIRFIELD WWTPFairfield0.04 MGD (million gallons per day)2022
NICKERSON WWTPNickerson0.04 MGD (million gallons per day)2022
GILTNER WWTPGiltner0.04 MGD (million gallons per day)2022
HARRISON WWTPHarrison0.04 MGD (million gallons per day)2022
HAYES CENTER WWTPHayes Center0.04 MGD (million gallons per day)2022
HERMAN WWTPHerman0.04 MGD (million gallons per day)2022
DUNCAN WWTPDuncan0.04 MGD (million gallons per day)2022
LINDSAY WWTPLindsay0.04 MGD (million gallons per day)2022
MONROE WWTPMonroe0.04 MGD (million gallons per day)2022
PLEASANTON WWTPPleasanton0.04 MGD (million gallons per day)2022
KENNARD WWTPKennard0.04 MGD (million gallons per day)2022
LAWRENCE WWTPLawrence0.04 MGD (million gallons per day)2022
LEIGH WWTPLeigh0.04 MGD (million gallons per day)2022
LODGEPOLE WWTPLodgepole0.04 MGD (million gallons per day)2022
LOOMIS WWTPLoomis0.04 MGD (million gallons per day)2022
OTOE WWTPOtoe0.04 MGD (million gallons per day)2022
PRAGUE WWTPPrague0.04 MGD (million gallons per day)2022
MAXWELL WWTPMaxwell0.04 MGD (million gallons per day)2022
MERNA WWTPMerna0.04 MGD (million gallons per day)2022
UNION WWTPUnion0.04 MGD (million gallons per day)2022
NEWCASTLE WWTPNewcastle0.04 MGD (million gallons per day)2022
NORTH LOUP WWTPNorth Loup0.04 MGD (million gallons per day)2022
OAKDALE WWTPOakdale0.04 MGD (million gallons per day)2022
PALISADE WWTPPalisade0.04 MGD (million gallons per day)2022
PAXTON WWTPPaxton0.04 MGD (million gallons per day)2022
PETERSBURG WWTPPetersburg0.04 MGD (million gallons per day)2022
POLK WWTPPolk0.04 MGD (million gallons per day)2022
POTTER WWTPPotter0.04 MGD (million gallons per day)2022
RIVERDALE STPRiverdale0.04 MGD (million gallons per day)2022
MILLIGAN WWTPMilligan0.04 MGD (million gallons per day)2022
STAPLEHURST WWTPStaplehurst0.04 MGD (million gallons per day)2022
ULYSSES WWTPUlysses0.04 MGD (million gallons per day)2022
WILCOX WWTPWilcox0.04 MGD (million gallons per day)2022
WINSIDE WWTPWinside0.04 MGD (million gallons per day)2022
WOLBACH WWTPWolbach0.04 MGD (million gallons per day)2022
GABBS NORTH - WWTPGabbs0.04 MGD (million gallons per day)2022
Cheshire County Home WWTFWestmoreland0.04 MGD (million gallons per day)2022
Pittsburg WWTFPittsburg0.04 MGD (million gallons per day)2022
TRUCHAS LAGOONTruchas0.04 MGD (million gallons per day)2022
MESITA VILLAGE LAGOONLaguna0.04 MGD (million gallons per day)2022
Clifton (T) Newton Falls WWTPCranberry Lake0.04 MGD (million gallons per day)2022
Voorheesville (V) Pleasant St. Collection SystemVoorheesville0.04 MGD (million gallons per day)2022
Alexandria (T) Redwood SD WWTPRedwood0.04 MGD (million gallons per day)2022
Hammond (V) WWTPHammond0.04 MGD (million gallons per day)2022
NYSDOC - Georgetown Corr. Fac.STPGeorgetown0.04 MGD (million gallons per day)2022
Springwater (T) WWTPSpringwater0.04 MGD (million gallons per day)2022
VELVA WASTEWATERVelva0.04 MGD (million gallons per day)2022
NOONAN WASTEWATERNoonan0.04 MGD (million gallons per day)2022
ANETA WASTEWATERAneta0.04 MGD (million gallons per day)2022
BOWBELLS WASTEWATERBowbells0.04 MGD (million gallons per day)2022
DUNN CENTER WASTEWATERDunn Center0.04 MGD (million gallons per day)2022
HOOPLE WASTEWATERHoople0.04 MGD (million gallons per day)2022
HOPE WASTEWATERHope0.04 MGD (million gallons per day)2022
LIGNITE WASTEWATERLignite0.04 MGD (million gallons per day)2022
MAX WASTEWATERMax0.04 MGD (million gallons per day)2022
MILNOR WASTEWATERMilnor0.04 MGD (million gallons per day)2022
NECHE WASTEWATERNeche0.04 MGD (million gallons per day)2022
POWERS LAKE WASTEWATERPowers Lake0.04 MGD (million gallons per day)2022
ST. THOMAS WASTEWATERSaint Thomas0.04 MGD (million gallons per day)2022
CHRISTINE WASTEWATERChristine0.04 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.