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 United States · Wisconsin

← Back to the map

All countries

586 inventory records · EPA Clean Watersheds Needs Survey 2022

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

586 results

CompareNameNative sizeYear
MINERAL POINT STPMineral Point0.353 MGD (million gallons per day)2022
Marathon Water & Sewer DPT WWTPMarathon0.352 MGD (million gallons per day)2022
DOUSMAN WWTPDousman0.35 MGD (million gallons per day)2022
BELLEVILLE STPBelleville0.346 MGD (million gallons per day)2022
CLINTONVILLE WWTPClintonville0.34 MGD (million gallons per day)2022
DARLINGTON WWTPDarlington0.34 MGD (million gallons per day)2022
GALESVILLE WWTPGalesville0.335 MGD (million gallons per day)2022
AUGUSTA WWTPAugusta0.334 MGD (million gallons per day)2022
ELROY WWTPElroy0.333 MGD (million gallons per day)2022
THORP STPThorp0.331 MGD (million gallons per day)2022
WITTENBERG WWTPWittenberg0.328 MGD (million gallons per day)2022
CLEAR LAKE STPClear Lake0.327 MGD (million gallons per day)2022
HILBERT STPHilbert0.326 MGD (million gallons per day)2022
KEWAUNEE WWTPKewaunee0.324 MGD (million gallons per day)2022
REEDSVILLE WWTFReedsville0.324 MGD (million gallons per day)2022
ABBOTSFORD WWTPAbbotsford0.323 MGD (million gallons per day)2022
REDGRANITE STPRedgranite0.322 MGD (million gallons per day)2022
HOWARDS GROVE STPSheboygan0.32 MGD (million gallons per day)2022
GILLETT WWTPGillett0.319 MGD (million gallons per day)2022
FOX LAKE WWCC STPFox Lake0.312 MGD (million gallons per day)2022
EPHRAIM STPEphraim0.31 MGD (million gallons per day)2022
FISH CREEK SD #1 STPFish Creek0.31 MGD (million gallons per day)2022
PARDEEVILLE WWTPPardeeville0.31 MGD (million gallons per day)2022
OAKFIELD STPOakfield0.305 MGD (million gallons per day)2022
Greater Bayfield WWTPBayfield0.3 MGD (million gallons per day)2022
CUBA CITY - STPCuba City0.3 MGD (million gallons per day)2022
MONTELLO WWTPMontello0.3 MGD (million gallons per day)2022
NEW HOLSTEIN WWTPNew Holstein0.3 MGD (million gallons per day)2022
RANDOLPH WWTPRandolph0.3 MGD (million gallons per day)2022
WHITING STPStevens Point0.3 MGD (million gallons per day)2022
GREEN LAKE SD #1 - STPGreen Lake0.3 MGD (million gallons per day)2022
MONTICELLO WWTPMonticello0.298 MGD (million gallons per day)2022
SHULLSBURG STPShullsburg0.288 MGD (million gallons per day)2022
COLEMAN WWTPColeman0.275 MGD (million gallons per day)2022
GRANTSBURG STPGrantsburg0.27 MGD (million gallons per day)2022
GLENWOOD CITY STPGlenwood City0.262 MGD (million gallons per day)2022
CRANDON WWTPCrandon0.26 MGD (million gallons per day)2022
PRINCETON WWTPPrinceton0.26 MGD (million gallons per day)2022
SPRING GREEN WWTPSpring Green0.26 MGD (million gallons per day)2022
SHERWOOD STPSherwood0.259 MGD (million gallons per day)2022
SHARON STPSharon0.257 MGD (million gallons per day)2022
VALDERS STPValders0.255 MGD (million gallons per day)2022
Omro WWTPOmro0.25 MGD (million gallons per day)2022
EGG HARBOR WWTPEgg Harbor0.25 MGD (million gallons per day)2022
MARION STPMarion0.25 MGD (million gallons per day)2022
NECEDAH STPNecedah0.25 MGD (million gallons per day)2022
WESTFIELD WWTPWestfield0.25 MGD (million gallons per day)2022
BRISTOL UD # 1 STPBristol0.25 MGD (million gallons per day)2022
BRANDON WWTPBrandon0.249 MGD (million gallons per day)2022
BELMONT STPBelmont0.243 MGD (million gallons per day)2022
WARRENS WWTPWarrens0.24 MGD (million gallons per day)2022
CLEVELAND STPCleveland0.239 MGD (million gallons per day)2022
ATHENS WWTPAthens0.236 MGD (million gallons per day)2022
HUSTISFORD WWTPHustisford0.236 MGD (million gallons per day)2022
STRATFORD WWTPStratford0.235 MGD (million gallons per day)2022
TREMPEALEAU WWTPTrempealeau0.235 MGD (million gallons per day)2022
HAMMOND STPHammond0.232 MGD (million gallons per day)2022
PALMYRA WWTPPalmyra0.23 MGD (million gallons per day)2022
WESTBY WWTPWestby0.23 MGD (million gallons per day)2022
HO-CHUNK NATION WWTPBlack River Falls0.225 MGD (million gallons per day)2022
IXONIA SD #1 - STPIxonia0.222 MGD (million gallons per day)2022
Bong Recreation Area WWTPKansasville0.22 MGD (million gallons per day)2022
BOYCEVILLE WWTPBoyceville0.22 MGD (million gallons per day)2022
Lyons SD #2 - WWTPLyons0.22 MGD (million gallons per day)2022
CRIVITZ STPCrivitz0.22 MGD (million gallons per day)2022
ROSENDALE STPRosendale0.216 MGD (million gallons per day)2022
FOUNTAIN CITY WWTPFountain City0.215 MGD (million gallons per day)2022
BAILEYS HARBOR STPBaileys Harbor0.21 MGD (million gallons per day)2022
MELLEN WWTPMellen0.205 MGD (million gallons per day)2022
MANAWA WWTPManawa0.204 MGD (million gallons per day)2022
ASHIPPUN SD STPAshippun0.202 MGD (million gallons per day)2022
Eleva-Strum Joint WWTPStrum0.201 MGD (million gallons per day)2022
Fox Lake Correctional Institution WastewaterFox Lake0.2 MGD (million gallons per day)2022
OSSEO WWTPOsseo0.2 MGD (million gallons per day)2022
RIB LAKE STPRib Lake0.2 MGD (million gallons per day)2022
THERESA WWTPTheresa0.2 MGD (million gallons per day)2022
WOODVILLE STPWoodville0.2 MGD (million gallons per day)2022
Fremont-Orihula-Wolf R. JSC - STPFremont0.2 MGD (million gallons per day)2022
BRUCE WWTPBruce0.196 MGD (million gallons per day)2022
SHELL LAKE STPShell Lake0.195 MGD (million gallons per day)2022
SIREN STPSiren0.195 MGD (million gallons per day)2022
ELK MOUND WWTPElk Mound0.192 MGD (million gallons per day)2022
HILLSBORO WWTPHillsboro0.185 MGD (million gallons per day)2022
ARGYLE STPArgyle0.183 MGD (million gallons per day)2022
FALL RIVER CSFall River0.182 MGD (million gallons per day)2022
COON VALLEY WWTPCoon Valley0.181 MGD (million gallons per day)2022
AMHERST STPAmherst0.18 MGD (million gallons per day)2022
MONTREAL WWTPMontreal0.18 MGD (million gallons per day)2022
IOLA WWTPIola0.179 MGD (million gallons per day)2022
BARNEVELD STPBarneveld0.174 MGD (million gallons per day)2022
PITTSVILLE WWTPPittsville0.174 MGD (million gallons per day)2022
DICKEYVILLE STPDickeyville0.17 MGD (million gallons per day)2022
Embarrass/Cloverleaf Lakes WWTFEmbarrass0.17 MGD (million gallons per day)2022
LA FARGE STPLa Farge0.17 MGD (million gallons per day)2022
HAZEL GREEN STPHazel Green0.168 MGD (million gallons per day)2022
CADOTT WWTPCadott0.167 MGD (million gallons per day)2022
INDEPENDENCE WWTPIndependence0.165 MGD (million gallons per day)2022
KELLY LAKE SD #1 - STPSuring0.165 MGD (million gallons per day)2022
SOMERSET STPSomerset0.164 MGD (million gallons per day)2022
MADELINE SD - STPLa Pointe0.163 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.