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

Wastewater treatment plants in United States · South Carolina

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162 inventory records · EPA Clean Watersheds Needs Survey 2022

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

162 results

CompareNameNative sizeYear
METRO WWTPColumbia60 MGD (million gallons per day)2022
PLUM ISLAND TRTMT PLANTCharleston36 MGD (million gallons per day)2022
MAULDIN RD PLANTGreenville29 MGD (million gallons per day)2022
MANCHESTER CREEK WWTPRock Hill20 MGD (million gallons per day)2022
GSWSA/MYRTLE BEACH WWTPConway17 MGD (million gallons per day)2022
BCW&SA/Lower Berkeley WWTFGoose Creek15 MGD (million gallons per day)2022
Florence/Main PlantFlorence15 MGD (million gallons per day)2022
EAST RICHLAND WTPColumbia13 MGD (million gallons per day)2022
SCHWARTZ (PLANT G) WWTPConway12.63 MGD (million gallons per day)2022
Lancaster/Catawba RiverLancaster7.5 MGD (million gallons per day)2022
PELHAM WWTPGreer7.5 MGD (million gallons per day)2022
NORTH PLANT 'A' (VEREEN)Longs7 MGD (million gallons per day)2022
Mt. Pleasant/Henry Clay Duffie WWTPMount Pleasant7 MGD (million gallons per day)2022
DURBIN REGIONAL PLANTFountain Inn5.2 MGD (million gallons per day)2022
BUCKSPORT WWTPConway5 MGD (million gallons per day)2022
LOWER REEDY RIVER PLANTGreenville5 MGD (million gallons per day)2022
BJWSA/Port Royal Island WRFPort Royal4.8 MGD (million gallons per day)2022
LITTLE PEE DEE STPDillon4 MGD (million gallons per day)2022
WCRSA/GILDER CREEKSimpsonville4 MGD (million gallons per day)2022
Bennettsville, City ofBennettsville3.9 MGD (million gallons per day)2022
CONWAY WWTFConway3.2 MGD (million gallons per day)2022
BCW&SA/Central Berkeley WWTFGoose Creek3 MGD (million gallons per day)2022
Georges Creek WWTPGreenville3 MGD (million gallons per day)2022
Mt. Pleasant/Center Street PlantMount Pleasant2.82 MGD (million gallons per day)2022
Clinton-Joanna WWTPJoanna2.75 MGD (million gallons per day)2022
FORT MILL WWTPFort Mill2 MGD (million gallons per day)2022
City of Clemson, Pendleton/Clemson WWTPPendleton2 MGD (million gallons per day)2022
Clemson University wastewaterClemson1.8 MGD (million gallons per day)2022
DARLINNGTON/BLACK CREEK PLANTDarlington1.6 MGD (million gallons per day)2022
PIEDMONT WTPPiedmont1.2 MGD (million gallons per day)2022
City of Clemson, Cochran WWTPClemson1.15 MGD (million gallons per day)2022
BJWSA/CHERRY POINTE WWTPOkatie1.1 MGD (million gallons per day)2022
BJWSA/HardeevilleHardeeville1.01 MGD (million gallons per day)2022
Williamston/Big Creek EastWilliamston1 MGD (million gallons per day)2022
BCW&SA/Upper Berkeley WWTFSaint Stephen0.9 MGD (million gallons per day)2022
LORIS WWTPLoris0.7 MGD (million gallons per day)2022
BJWSA/St. HelenaBeaufort0.6 MGD (million gallons per day)2022
DANIEL ISLAND WWTPCharleston0.5 MGD (million gallons per day)2022
Slater MariettaMarietta0.339 MGD (million gallons per day)2022
LONGS WWTPLongs0.2 MGD (million gallons per day)2022
BJWSA/Point SouthRidgeland0.125 MGD (million gallons per day)2022
North GreenvilleTigerville0.069 MGD (million gallons per day)2022
Green Sea FloydsGreen Sea0.015 MGD (million gallons per day)2022
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

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.