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

Wastewater treatment plants in United States · Minnesota

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542 inventory records · EPA Clean Watersheds Needs Survey 2022

Data years: 2022. The inventory date does not establish current operation.

542 results

CompareNameNative sizeYear
METROPOLITAN WWTPSaint Paul251 MGD (million gallons per day)2022
WLSSD REGIONAL WWTFDuluth48.4 MGD (million gallons per day)2022
BLUE LAKE WWTPShakopee42 MGD (million gallons per day)2022
SENECA TREATMENT WWTFSouth Saint Paul38 MGD (million gallons per day)2022
EMPIRE WWTPFarmington28.61 MGD (million gallons per day)2022
ROCHESTER WWTPRochester23.85 MGD (million gallons per day)2022
ALBERT LEA WWTPAlbert Lea18.38 MGD (million gallons per day)2022
ST CLOUD WWTFSaint Cloud17.9 MGD (million gallons per day)2022
GRAND RAPIDS WWTPGrand Rapids15.2 MGD (million gallons per day)2022
MCES - Eagles Point WWTFCottage Grove11.9 MGD (million gallons per day)2022
MANKATO WWTPMankato11.25 MGD (million gallons per day)2022
WINONA WWTPWinona9.6 MGD (million gallons per day)2022
MOORHEAD WWTPMoorhead9 MGD (million gallons per day)2022
AUSTIN WWTPAustin8.475 MGD (million gallons per day)2022
WILLMAR WWTPWillmar7.51 MGD (million gallons per day)2022
FARIBAULT WWTPFaribault7 MGD (million gallons per day)2022
NEW ULM WWTPNew Ulm6.7 MGD (million gallons per day)2022
BRAINERD-BAXTER WWTPBaxter6 MGD (million gallons per day)2022
St Croix Valley WWTF (MCES)Stillwater5.8 MGD (million gallons per day)2022
HUTCHINSON WWTPHutchinson5.43 MGD (million gallons per day)2022
NORTHFIELD WWTPNorthfield5.2 MGD (million gallons per day)2022
OWATONNA WWTPOwatonna5 MGD (million gallons per day)2022
Alexandria Lakes Area SDAlexandria4.7 MGD (million gallons per day)2022
ELK RIVER WWTPElk River4.54 MGD (million gallons per day)2022
HIBBING WWTPHibbing4.5 MGD (million gallons per day)2022
MARSHALL WWTFMarshall4.5 MGD (million gallons per day)2022
VIRGINIA WWTPVirginia4.3 MGD (million gallons per day)2022
RED WING WWTPRed Wing4 MGD (million gallons per day)2022
WORTHINGTON WWTPWorthington4 MGD (million gallons per day)2022
ST PETER WWTPSaint Peter4 MGD (million gallons per day)2022
FAIRMONT WWTPFairmont3.9 MGD (million gallons per day)2022
BUFFALO WWTFBuffalo3.6 MGD (million gallons per day)2022
WASECA WWTPWaseca3.5 MGD (million gallons per day)2022
LITCHFIELD WWTPLitchfield3.1 MGD (million gallons per day)2022
MELROSE WWTPMelrose3 MGD (million gallons per day)2022
NORTH KOOCHICHING COUNTY SDInternational Falls3 MGD (million gallons per day)2022
MONTEVIDEO WWTPMontevideo3 MGD (million gallons per day)2022
THIEF RIVER FALLS WWTPThief River Falls2.99 MGD (million gallons per day)2022
ST. JAMES WWTPSaint James2.96 MGD (million gallons per day)2022
FERGUS FALLS WWTPFergus Falls2.8 MGD (million gallons per day)2022
PLAINVIEW - ELGIN STPPlainview2.67 MGD (million gallons per day)2022
GLENCOE WWTPGlencoe2.6 MGD (million gallons per day)2022
BEMIDJI WWTFBemidji2.5 MGD (million gallons per day)2022
CENTRAL IRON RANGE WWTPChisholm2.5 MGD (million gallons per day)2022
Chisago Lakes Joint STCChisago City2.46 MGD (million gallons per day)2022
ST MICHAEL WWTPSaint Michael2.445 MGD (million gallons per day)2022
MONTICELLO WWTPMonticello2.36 MGD (million gallons per day)2022
BECKER WWTPBecker2.15 MGD (million gallons per day)2022
DETROIT LAKES WWTPDetroit Lakes2.02 MGD (million gallons per day)2022
CAMBRIDGE WWTPCambridge1.92 MGD (million gallons per day)2022
PRINCETON WWTPPrinceton1.905 MGD (million gallons per day)2022
LITTLE FALLS WWTPLittle Falls1.9 MGD (million gallons per day)2022
LE SUEUR WWTPLe Sueur1.842 MGD (million gallons per day)2022
NEW PRAGUE WWTPNew Prague1.83 MGD (million gallons per day)2022
WINDOM WWTPWindom1.83 MGD (million gallons per day)2022
LONG PRAIRIE WWTPLong Prairie1.82 MGD (million gallons per day)2022
WINNEBAGO WWTPWinnebago1.7 MGD (million gallons per day)2022
COLD SPRING WWTPCold Spring1.56 MGD (million gallons per day)2022
LAKE CITY WWTPLake City1.52 MGD (million gallons per day)2022
ELY WWTPEly1.5 MGD (million gallons per day)2022
LUVERNE WWTPLuverne1.5 MGD (million gallons per day)2022
Byron WWTPByron1.4 MGD (million gallons per day)2022
CROOKSTON WWTPCrookston1.4 MGD (million gallons per day)2022
EAST GRAND FORKS WWTPEast Grand Forks1.4 MGD (million gallons per day)2022
REDWOOD FALLS WWTPRedwood Falls1.321 MGD (million gallons per day)2022
DELANO WWTPDelano1.3 MGD (million gallons per day)2022
JORDAN WWTPJordan1.289 MGD (million gallons per day)2022
MADELIA WWTPMadelia1.22 MGD (million gallons per day)2022
TWO HARBORS WWTPTwo Harbors1.2 MGD (million gallons per day)2022
Annandale Maple Lake Joint WWTPAnnandale1.184 MGD (million gallons per day)2022
PAYNESVILLE WWTPPaynesville1.174 MGD (million gallons per day)2022
WHITEWATER RIVER REGIONAL WWTFSaint Charles1.12 MGD (million gallons per day)2022
STEWARTVILLE WWTPStewartville1.111 MGD (million gallons per day)2022
OTSEGO EAST WWTPRogers1.1 MGD (million gallons per day)2022
WELLS-EASTON-MN LAKE WWTFWells1.088 MGD (million gallons per day)2022
GRAND MARAIS WWTPGrand Marais0.99 MGD (million gallons per day)2022
BENSON WWTPBenson0.985 MGD (million gallons per day)2022
BLUE EARTH WWTPBlue Earth0.98 MGD (million gallons per day)2022
DODGE CENTER WWTPDodge Center0.973 MGD (million gallons per day)2022
MONTGOMERY WWTPMontgomery0.968 MGD (million gallons per day)2022
MORRIS WWTPMorris0.964 MGD (million gallons per day)2022
SPRING VALLEY WWTPSpring Valley0.936 MGD (million gallons per day)2022
PERHAM WWTPPerham0.932 MGD (million gallons per day)2022
ALBERTVILLE WWTPAlbertville0.93 MGD (million gallons per day)2022
PIPESTONE WWTPPipestone0.93 MGD (million gallons per day)2022
CANNON FALLS WWTPCannon Falls0.92 MGD (million gallons per day)2022
SILVER BAY WWTPSilver Bay0.919 MGD (million gallons per day)2022
AURORA MUN WWTFAurora0.91 MGD (million gallons per day)2022
PELICAN RAPIDS WWTPPelican Rapids0.91 MGD (million gallons per day)2022
NORWOOD WWTPNorwood Young America0.908 MGD (million gallons per day)2022
BLOOMING PRAIRIE WWTPBlooming Prairie0.899 MGD (million gallons per day)2022
GLACIAL LAKES SD WWTPSpicer0.889 MGD (million gallons per day)2022
RENVILLE WWTPRenville0.853 MGD (million gallons per day)2022
BIG LAKE WWTFBig Lake0.84 MGD (million gallons per day)2022
BELLE PLAINE WWTPBelle Plaine0.84 MGD (million gallons per day)2022
LE CENTER STPLe Center0.824 MGD (million gallons per day)2022
ST FRANCIS WWTFSaint Francis0.814 MGD (million gallons per day)2022
NORTH BRANCH MUN WTPNorth Branch0.812 MGD (million gallons per day)2022
ARLINGTON WWTPArlington0.807 MGD (million gallons per day)2022
WINSTED WWTPWinsted0.802 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.