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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
Linesville Pine Jt MA WWTPCWNS2022_42008012023Not reported MGD (million gallons per day)Not reported
RIDGEWAY, TOWN OFCWNS2022_45000057001Not reported MGD (million gallons per day)Not reported
CLIO WWTPCWNS2022_45000074001Not reported MGD (million gallons per day)Not reported
ELLOREE WWTPCWNS2022_45000076001Not reported MGD (million gallons per day)Not reported
HARLEYVILLE STPCWNS2022_45000081002Not reported MGD (million gallons per day)Not reported
HEATH SPRINGS STPCWNS2022_45000082001Not reported MGD (million gallons per day)Not reported
JEFFERSON STPCWNS2022_45000083001Not reported MGD (million gallons per day)Not reported
LAKE VIEW WWTPCWNS2022_45000084002Not reported MGD (million gallons per day)Not reported
SPRINGFIELD PLANT #1CWNS2022_45000101001Not reported MGD (million gallons per day)Not reported
SPRINGFIELD PLANT #2CWNS2022_45000101002Not reported MGD (million gallons per day)Not reported
YEMASSEE WWTPCWNS2022_45000103001Not reported MGD (million gallons per day)Not reported
CAYCE WWTPCWNS2022_45000104002Not reported MGD (million gallons per day)Not reported
BOWMAN WWSCWNS2022_45000106001Not reported MGD (million gallons per day)Not reported
BRANCHVILLE WWTPCWNS2022_45000107001Not reported MGD (million gallons per day)Not reported
BUCK CREEK STPCWNS2022_45000109001Not reported MGD (million gallons per day)Not reported
DUE WEST TREATMENT PLANTCWNS2022_45000111001Not reported MGD (million gallons per day)Not reported
HEMINGWAY WWTPCWNS2022_45000113001Not reported MGD (million gallons per day)Not reported
HOLLY HILL WWTPCWNS2022_45000114001Not reported MGD (million gallons per day)Not reported
JOHNSONVILLE EAST STPCWNS2022_45000117001Not reported MGD (million gallons per day)Not reported
JONESVILLE TRMT PLANTCWNS2022_45000118001Not reported MGD (million gallons per day)Not reported
TOWN OF LAMAR WWTPCWNS2022_45000119001Not reported MGD (million gallons per day)Not reported
LYMAN WASTE TREATMENT PLACWNS2022_45000120001Not reported MGD (million gallons per day)Not reported
RIDGELAND WWTPCWNS2022_45000126001Not reported MGD (million gallons per day)Not reported
SUMMERTON WWTP/LAND APP.CWNS2022_45000128001Not reported MGD (million gallons per day)Not reported
Blacksburg/Canoe CreekCWNS2022_45000136001Not reported MGD (million gallons per day)Not reported
THOMPSON CREED WWTPCWNS2022_45000137003Not reported MGD (million gallons per day)Not reported
ESTILL STPCWNS2022_45000138001Not reported MGD (million gallons per day)Not reported
ALLENDALE-FAIRFAX STPCWNS2022_45000140001Not reported MGD (million gallons per day)Not reported
INMAN WWTPCWNS2022_45000142001Not reported MGD (million gallons per day)Not reported
KERSHAW STPCWNS2022_45000145001Not reported MGD (million gallons per day)Not reported
PAGE CREEK STPCWNS2022_45000147002Not reported MGD (million gallons per day)Not reported
LATTA WWTFCWNS2022_45000148001Not reported MGD (million gallons per day)Not reported
MCCORMICK WWT PLNTCWNS2022_45000150001Not reported MGD (million gallons per day)Not reported
CRESENT BEACH WWTPCWNS2022_45000152001Not reported MGD (million gallons per day)Not reported
OCEAN DRIVE WWTPCWNS2022_45000152002Not reported MGD (million gallons per day)Not reported
PACOLET MILLS WWTPCWNS2022_45000153001Not reported MGD (million gallons per day)Not reported
ST GEORGE WWTPCWNS2022_45000155002Not reported MGD (million gallons per day)Not reported
BLACKVILLE, TOWN OFCWNS2022_45000160001Not reported MGD (million gallons per day)Not reported
CALHOUN FALLS WWTPCWNS2022_45000161001Not reported MGD (million gallons per day)Not reported
Cowpens/Pacolet River PlantCWNS2022_45000162001Not reported MGD (million gallons per day)Not reported
NINETY SIX STPCWNS2022_45000163001Not reported MGD (million gallons per day)Not reported
PAGELAND SE WWTFCWNS2022_45000164001Not reported MGD (million gallons per day)Not reported
PAGELAND NW WWTFCWNS2022_45000164002Not reported MGD (million gallons per day)Not reported
ST. MATTHEWS SOUTH PLANTCWNS2022_45000166001Not reported MGD (million gallons per day)Not reported
SALUDA TREATMENT PLANTCWNS2022_45000167001Not reported MGD (million gallons per day)Not reported
TIMMONSVILLE WWTPCWNS2022_45000168001Not reported MGD (million gallons per day)Not reported
Ware Shoals/Dairy StreetCWNS2022_45000170001Not reported MGD (million gallons per day)Not reported
Town of Whitmire/Ducan Creek PlantCWNS2022_45000171001Not reported MGD (million gallons per day)Not reported
BARNWELL WWTPCWNS2022_45000177002Not reported MGD (million gallons per day)Not reported
BATESBURG STPCWNS2022_45000178001Not reported MGD (million gallons per day)Not reported
BISHOPVILLE STPCWNS2022_45000179001Not reported MGD (million gallons per day)Not reported
DENMARK, CITY OFCWNS2022_45000182002Not reported MGD (million gallons per day)Not reported
GREAT FALLS WWTPCWNS2022_45000187001Not reported MGD (million gallons per day)Not reported
HAMPTON WTPCWNS2022_45000188001Not reported MGD (million gallons per day)Not reported
MCCOLL OXIDATION POND/WWTFCWNS2022_45000194001Not reported MGD (million gallons per day)Not reported
MANNING TREATMENT PLANTCWNS2022_45000195001Not reported MGD (million gallons per day)Not reported
SUMMERVILLE LAGOONCWNS2022_45000202001Not reported MGD (million gallons per day)Not reported
LOWER DORCHESTER WWTPCWNS2022_45000202006Not reported MGD (million gallons per day)Not reported
WILLISTON STPCWNS2022_45000207002Not reported MGD (million gallons per day)Not reported
WINNSBORO JACKSON CR WWTPCWNS2022_45000208001Not reported MGD (million gallons per day)Not reported
WOODRUFF/ENOREE RIVER WWTPCWNS2022_45000209003Not reported MGD (million gallons per day)Not reported
Belton/DuckworthCWNS2022_45000212002Not reported MGD (million gallons per day)Not reported
CAMDEN STPCWNS2022_45000214002Not reported MGD (million gallons per day)Not reported
CHERAW WWTPCWNS2022_45000215001Not reported MGD (million gallons per day)Not reported
CHESTER ROCKY CK STPCWNS2022_45000216001Not reported MGD (million gallons per day)Not reported
CHESTER SANDY R. STPCWNS2022_45000216002Not reported MGD (million gallons per day)Not reported
HARTSVILLE, CITY OFCWNS2022_45000222001Not reported MGD (million gallons per day)Not reported
LAKE CITY/LYNCHES RIVER PLANTCWNS2022_45000223002Not reported MGD (million gallons per day)Not reported
Marion/South Main StreetCWNS2022_45000225002Not reported MGD (million gallons per day)Not reported
WHITE OAK CREEK PLANTCWNS2022_45000226001Not reported MGD (million gallons per day)Not reported
WALTERBORO WW TRT PLANTCWNS2022_45000233001Not reported MGD (million gallons per day)Not reported
YORK WWTPCWNS2022_45000234003Not reported MGD (million gallons per day)Not reported
BELTLINE PLANTCWNS2022_45000235003Not reported MGD (million gallons per day)Not reported
ANDERSON CO WW MGMNT/6 & 20CWNS2022_45000236001Not reported MGD (million gallons per day)Not reported
GENEROSTEE WWTPCWNS2022_45000237001Not reported MGD (million gallons per day)Not reported
ROCKY RIVER WW TRT PLANTCWNS2022_45000237002Not reported MGD (million gallons per day)Not reported
GAFFNEY/CLARY CREEK PLANTCWNS2022_45000238001Not reported MGD (million gallons per day)Not reported
Sumter/Pocotaligo River PlantCWNS2022_45000240001Not reported MGD (million gallons per day)Not reported
ROPERCWNS2022_45000242002Not reported MGD (million gallons per day)Not reported
CRAMER LAGOONCWNS2022_45000242005Not reported MGD (million gallons per day)Not reported
18 MI CR WWTPMID REGCWNS2022_45000244005Not reported MGD (million gallons per day)Not reported
Pickens/12 Mile RV & Wolf CreekCWNS2022_45000244006Not reported MGD (million gallons per day)Not reported
18 MI CRK UPPER REG WWTPCWNS2022_45000244007Not reported MGD (million gallons per day)Not reported
GEORGETOWN WWTPCWNS2022_45000250001Not reported MGD (million gallons per day)Not reported
WAGENER WWTPCWNS2022_45000253001Not reported MGD (million gallons per day)Not reported
SANTEE WWTPCWNS2022_45000254001Not reported MGD (million gallons per day)Not reported
ORANGEBURG STPCWNS2022_45000255001Not reported MGD (million gallons per day)Not reported
NORWAY WWTPCWNS2022_45000256001Not reported MGD (million gallons per day)Not reported
MONCKS CORNER WWTPCWNS2022_45000259001Not reported MGD (million gallons per day)Not reported
MIDDLEBRANCH CREEKCWNS2022_45000261005Not reported MGD (million gallons per day)Not reported
LITTLE RIVER S T PCWNS2022_45000262001Not reported MGD (million gallons per day)Not reported
Greer/Maple Creek PlantCWNS2022_45000267002Not reported MGD (million gallons per day)Not reported
EASTOVER / RICHLAND CO. REG WWTFCWNS2022_45000269001Not reported MGD (million gallons per day)Not reported
Gaffney/Peoples Creek-Broad RiverCWNS2022_45000272006Not reported MGD (million gallons per day)Not reported
GCW&SD PAWLEYS AREACWNS2022_45000276003Not reported MGD (million gallons per day)Not reported
GCW&SD/North Santee WWTPCWNS2022_45000276007Not reported MGD (million gallons per day)Not reported
Central/North WWTPCWNS2022_45000277002Not reported MGD (million gallons per day)Not reported
ISLE OF PALMS S.C.CWNS2022_45000283001Not reported MGD (million gallons per day)Not reported
SULLIVANS ISLAND PLANTCWNS2022_45000287001Not reported MGD (million gallons per day)Not reported
CHAPIN WTFCWNS2022_45000293001Not 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.