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

Wastewater treatment plants in United States · Wisconsin

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593 inventory records · HydroWASTE v1.0 / United States

Data years: 2012. The inventory date does not establish current operation.

593 results

CompareNameNative sizeYear
DEERFIELD STPHW:391802,053 population served2012
DENMARK WWTPHW:391852,036 population served2012
CEDAR GROVE STPHW:391482,010 population served2012
DURAND WWTPHW:391922,005 population served2012
ASHIPPUN SD STPHW:395412,000 population served2012
ABBOTSFORD WWTPHW:390561,981 population served2012
EDGAR WWTPHW:391991,978 population served2012
SPENCER WWTPHW:394551,972 population served2012
CAMPBELLSPORT STPHW:391401,965 population served2012
ROSENDALE STPHW:394311,958 population served2012
CHRISTMAS MOUNTAIN SDHW:390501,905 population served2012
CRANDON WWTPHW:391731,895 population served2012
FREEDOM SD WWTPHW:395391,880 population served2012
CORNELL STPHW:391711,873 population served2012
RANDOLPH WWTPHW:394101,864 population served2012
Fremont Orihula Wolf R JSC STPHW:396431,857 population served2012
PORT EDWARDS WWTPHW:393971,818 population served2012
INDEPENDENCE WWTPHW:392651,817 population served2012
MERCER SD 1 WWTPHW:395811,816 population served2012
NIAGARA WWTPHW:393581,805 population served2012
CLEVELAND STPHW:391571,784 population served2012
CASHTON WWTPHW:391431,758 population served2012
MARATHON CITY WWTPHW:393101,758 population served2012
MANAWA WWTPHW:393071,737 population served2012
WHITING STPHW:395181,726 population served2012
JOHNSON CREEK WWTPHW:392711,710 population served2012
EGG HARBOR WWTPHW:392011,700 population served2012
COLBY WWTPHW:391631,690 population served2012
GALESVILLE WWTPHW:392281,668 population served2012
ROBERTS STPHW:394271,662 population served2012
ELROY WWTPHW:392061,578 population served2012
SHARON STPHW:394401,569 population served2012
AUGUSTA WWTPHW:390841,567 population served2012
STRATFORD WWTPHW:394651,566 population served2012
BROOKLYN STPHW:391301,551 population served2012
THORP STPHW:394771,550 population served2012
GLENWOOD CITY STPHW:391911,524 population served2012
MONTREAL WWTPHW:393411,511 population served2012
ORFORDVILLE STPHW:393711,503 population served2012
Florence Town of STPHW:394741,500 population served2012
MONTICELLO WWTPHW:393401,477 population served2012
BANGOR WWTPHW:390921,474 population served2012
PHILLIPS STPHW:393851,461 population served2012
TREMPEALEAU WWTPHW:394821,452 population served2012
HAMMOND STPHW:392421,447 population served2012
LIVINGSTON STPHW:392971,444 population served2012
OWEN WWTPHW:393751,434 population served2012
IOLA WWTPHW:392661,432 population served2012
GRANTSBURG STPHW:392371,430 population served2012
FALL RIVER CSHW:392161,422 population served2012
HILLSBORO WWTPHW:392551,420 population served2012
MONTELLO WWTPHW:393381,410 population served2012
GREEN LAKE WWTPHW:392391,405 population served2012
SPRING VALLEY STPHW:394581,405 population served2012
BAILEYS HARBOR STPHW:390881,400 population served2012
Menominee Tribe STPHW:391381,400 population served2012
YORKVILLE UD WWTPHW:396021,400 population served2012
GILLETT WWTPHW:392321,380 population served2012
BRISTOL UD 1 STPHW:395351,377 population served2012
WOODVILLE STPHW:395271,354 population served2012
SHELL LAKE STPHW:394431,340 population served2012
CADOTT WWTPHW:391371,333 population served2012
BLACK CREEK WWTPHW:391091,325 population served2012
BELMONT STPHW:391021,308 population served2012
PRINCETON WWTPHW:394071,307 population served2012
MUSCODA STPHW:393461,300 population served2012
KELLY LAKE SD 1 STPHW:395951,295 population served2012
MARION STPHW:393131,279 population served2012
FALL CREEK WWTPHW:392151,271 population served2012
CASCADE WWTPHW:391411,268 population served2012
FREDERIC STPHW:392251,261 population served2012
THERESA WWTPHW:394761,259 population served2012
FISH CREEK SD 1 STPHW:392201,250 population served2012
LUCK STPHW:393031,249 population served2012
ONION RIVER SC STPHW:396091,242 population served2012
OAKFIELD STPHW:393621,240 population served2012
Embarrass_Cloverleaf Lakes WWTFHW:392081,228 population served2012
SHULLSBURG STPHW:394461,228 population served2012
BARNEVELD STPHW:390941,226 population served2012
WESTFIELD WWTPHW:395081,217 population served2012
REEDSVILLE WWTFHW:394151,203 population served2012
Dekorra UD 1 WWTPHW:390911,200 population served2012
LAONA SD 1 STPHW:396261,200 population served2012
HAZEL GREEN STPHW:392481,184 population served2012
COLFAX WWTPHW:391651,165 population served2012
NEWBURG STPHW:393521,154 population served2012
BENTON STPHW:391041,150 population served2012
LAKE HOLCOMBE SD 1 STPHW:391391,137 population served2012
IRON RIDGE WWTPHW:392671,130 population served2012
ATHENS WWTPHW:390821,126 population served2012
MT CALVARY WWTPHW:393431,123 population served2012
STRUM CSHW:394661,119 population served2012
HILBERT STPHW:392521,111 population served2012
Potosi Tennyson SC WWTPHW:394001,111 population served2012
TURTLE LAKE STPHW:394831,105 population served2012
O Dells Bay SD 1 WWTPHW:393671,103 population served2012
BLOOMINGTON STPHW:391131,100 population served2012
COLEMAN WWTPHW:391641,099 population served2012
BOYCEVILLE WWTPHW:395131,096 population served2012
Volk Field STPHW:392071,092 population served2012

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.