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

Wastewater treatment plants in United States · South Dakota

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239 inventory records · EPA Clean Watersheds Needs Survey 2022

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

239 results

CompareNameNative sizeYear
Rapid CityRapid City9.8 MGD (million gallons per day)2022
Watertown, City ofWatertown4.57 MGD (million gallons per day)2022
Aberdeen Wastewater Treatment FacilityAberdeen3.946 MGD (million gallons per day)2022
Brookings Wastewater Collection SystemBrookings2.5 MGD (million gallons per day)2022
Yankton, City ofYankton2.2 MGD (million gallons per day)2022
Mitchell, City ofMitchell1.54 MGD (million gallons per day)2022
Box Elder Sanitary Sewer CollectionBox Elder1.175 MGD (million gallons per day)2022
Spearfish, City ofSpearfish1.04 MGD (million gallons per day)2022
Custer, City ofCuster0.56 MGD (million gallons per day)2022
Chamberlain Sanitary Sewer CollectionChamberlain0.4 MGD (million gallons per day)2022
Lead-Deadwood Sanitary DistrictDeadwood0.333 MGD (million gallons per day)2022
Hartford, City ofHartford0.31 MGD (million gallons per day)2022
City of Dell RapidsDell Rapids0.3 MGD (million gallons per day)2022
Britton Wastewater Collection SystemBritton0.3 MGD (million gallons per day)2022
Flandreau, City ofFlandreau0.3 MGD (million gallons per day)2022
City of DeSmetDe Smet0.24 MGD (million gallons per day)2022
Arlington Collection SystemArlington0.22 MGD (million gallons per day)2022
Parkston, City ofParkston0.218 MGD (million gallons per day)2022
Gregory, City ofGregory0.2 MGD (million gallons per day)2022
Summerset, City ofBlack Hawk0.185 MGD (million gallons per day)2022
Miller, City ofMiller0.18 MGD (million gallons per day)2022
Bowdle Wastewater Collection SystemBowdle0.17 MGD (million gallons per day)2022
Howard, City ofHoward0.16 MGD (million gallons per day)2022
Kadoka, City ofKadoka0.15 MGD (million gallons per day)2022
Parker, City ofParker0.14 MGD (million gallons per day)2022
Platte, City ofPlatte0.12 MGD (million gallons per day)2022
Alcester Collection System ImprovementsAlcester0.103 MGD (million gallons per day)2022
Marion, City ofMarion0.08 MGD (million gallons per day)2022
Aurora Wastewater Collection SystemAurora0.075 MGD (million gallons per day)2022
Newell, Town ofNewell0.07 MGD (million gallons per day)2022
Lake Preston, City ofLake Preston0.07 MGD (million gallons per day)2022
Dupree, City ofDupree0.06 MGD (million gallons per day)2022
Colton Wastewater Collection SystemColton0.06 MGD (million gallons per day)2022
Baltic Wastewater Collection System & Lift StationBaltic0.06 MGD (million gallons per day)2022
Corsica Wastewater Collection SystemCorsica0.06 MGD (million gallons per day)2022
Lake Poinsett Sanitary DistrictLake Norden0.056 MGD (million gallons per day)2022
Irene, City ofIrene0.05 MGD (million gallons per day)2022
Bryant Wastewater Collection SystemBryant0.05 MGD (million gallons per day)2022
Alexandria Sanitary/Storm Sewer & LagoonsAlexandria0.04 MGD (million gallons per day)2022
Humboldt, Town ofHumboldt0.04 MGD (million gallons per day)2022
Colman Wastewater Collection SystemColman0.04 MGD (million gallons per day)2022
Town of GayvilleGayville0.03 MGD (million gallons per day)2022
Hermosa, City ofHermosa0.03 MGD (million gallons per day)2022
Isabel, Town ofIsabel0.03 MGD (million gallons per day)2022
Chancellor Wastewater Collection SystemChancellor0.03 MGD (million gallons per day)2022
Hudson, Town ofHudson0.03 MGD (million gallons per day)2022
Pickstown, Town ofPickstown0.03 MGD (million gallons per day)2022
Bison Wastewater CollectionBison0.022 MGD (million gallons per day)2022
Mission Hill, Town ofMission Hill0.02 MGD (million gallons per day)2022
Pickerel Lake Sanitary DistrictGrenville0.02 MGD (million gallons per day)2022
Powder House PassLead0.015 MGD (million gallons per day)2022
Wall Lake Sanitary DistrictCWNS2022_46000000104Not reported MGD (million gallons per day)Not reported
Ellsworth Development AuthorityCWNS2022_46000000110Not reported MGD (million gallons per day)Not reported
WINNER LAGOONCWNS2022_46000001001Not reported MGD (million gallons per day)Not reported
MOBRIDGE WWTPCWNS2022_46000002001Not reported MGD (million gallons per day)Not reported
HOT SPRINGS WWTPCWNS2022_46000004001Not reported MGD (million gallons per day)Not reported
HURON WWTPCWNS2022_46000007001Not reported MGD (million gallons per day)Not reported
Beresford Wastewater Collection & TreatmentCWNS2022_46000008001Not reported MGD (million gallons per day)Not reported
SCOTLAND WWT FACILITYCWNS2022_46000009001Not reported MGD (million gallons per day)Not reported
BELLE FOURCHE WWT PLANTCWNS2022_46000011001Not reported MGD (million gallons per day)Not reported
HILL CITY LAGOONCWNS2022_46000012001Not reported MGD (million gallons per day)Not reported
CANISTOTA LAGOONCWNS2022_46000015001Not reported MGD (million gallons per day)Not reported
GARRETSON WWT WORKSCWNS2022_46000017001Not reported MGD (million gallons per day)Not reported
BRANDON WWTPCWNS2022_46000018001Not reported MGD (million gallons per day)Not reported
KIMBALL WWTPCWNS2022_46000019001Not reported MGD (million gallons per day)Not reported
CANTON LAGOONCWNS2022_46000022001Not reported MGD (million gallons per day)Not reported
WHITE RIVER WWTPCWNS2022_46000024001Not reported MGD (million gallons per day)Not reported
VALLEY SPRINGS WWTPCWNS2022_46000025001Not reported MGD (million gallons per day)Not reported
CLARK WWTPCWNS2022_46000026001Not reported MGD (million gallons per day)Not reported
CLEAR LAKE WASTE WORKSCWNS2022_46000027001Not reported MGD (million gallons per day)Not reported
ARTESIAN WWTPCWNS2022_46000028001Not reported MGD (million gallons per day)Not reported
EDGEMONT WASTE TREATMENTCWNS2022_46000031001Not reported MGD (million gallons per day)Not reported
ELK POINT WWTFCWNS2022_46000033001Not reported MGD (million gallons per day)Not reported
FT PIERRE WWTPCWNS2022_46000037001Not reported MGD (million gallons per day)Not reported
GETTYSBURG WWT FACILITIESCWNS2022_46000038001Not reported MGD (million gallons per day)Not reported
GROTON WWTPCWNS2022_46000040001Not reported MGD (million gallons per day)Not reported
BRISTOL WWTPCWNS2022_46000041001Not reported MGD (million gallons per day)Not reported
HIGHMORE WWT WORKSCWNS2022_46000042001Not reported MGD (million gallons per day)Not reported
ClaremontCWNS2022_46000044001Not reported MGD (million gallons per day)Not reported
IPSWICH WWT FACILITYCWNS2022_46000045001Not reported MGD (million gallons per day)Not reported
LENNOX WWTPCWNS2022_46000047001Not reported MGD (million gallons per day)Not reported
MARTIN SOUTH LAGOONCWNS2022_46000048001Not reported MGD (million gallons per day)Not reported
MARTIN NORTH LAGOONCWNS2022_46000048002Not reported MGD (million gallons per day)Not reported
MILBANK WWTPCWNS2022_46000050001Not reported MGD (million gallons per day)Not reported
EGAN WASTEWATER TREATMENTCWNS2022_46000051001Not reported MGD (million gallons per day)Not reported
LAKE NORDEN LAGOONSCWNS2022_46000054001Not reported MGD (million gallons per day)Not reported
MOUNT VERNON WWT WORKSCWNS2022_46000055001Not reported MGD (million gallons per day)Not reported
PEEVER LAGOONCWNS2022_46000056001Not reported MGD (million gallons per day)Not reported
RELIANCE LAGOONCWNS2022_46000057001Not reported MGD (million gallons per day)Not reported
ST LAWRENCE WWTPCWNS2022_46000058001Not reported MGD (million gallons per day)Not reported
TEA WWTPCWNS2022_46000059001Not reported MGD (million gallons per day)Not reported
WESSINGTON WWT FACCWNS2022_46000060001Not reported MGD (million gallons per day)Not reported
WORTHING WWTPCWNS2022_46000061001Not reported MGD (million gallons per day)Not reported
CORONA WWTPCWNS2022_46000063001Not reported MGD (million gallons per day)Not reported
FAIRFAX TREATMENT FACCWNS2022_46000064001Not reported MGD (million gallons per day)Not reported
LESTERVILLE WWTPCWNS2022_46000067001Not reported MGD (million gallons per day)Not reported
VOLIN LAGOONCWNS2022_46000072001Not reported MGD (million gallons per day)Not reported
MOUND CITY WWT FACCWNS2022_46000073001Not reported MGD (million gallons per day)Not reported
KRANZBURG WWTPCWNS2022_46000074001Not reported MGD (million gallons per day)Not reported
MADISON WWTPCWNS2022_46000087001Not reported MGD (million gallons per day)Not reported

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.