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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
NCSD/Felix C Davis WWTPCWNS2022_45000298001Not reported MGD (million gallons per day)Not reported
SSSD/Lawson Fork PlantCWNS2022_45000606002Not reported MGD (million gallons per day)Not reported
FAIRFOREST WWTPCWNS2022_45000606003Not reported MGD (million gallons per day)Not reported
N. TYGER RIV. WWTPCWNS2022_45000606101Not reported MGD (million gallons per day)Not reported
ECW&SA/JOHNSTON PLANT #1CWNS2022_45000608003Not reported MGD (million gallons per day)Not reported
ECW&SA/BROOKS AVENUE PLANTCWNS2022_45000608006Not reported MGD (million gallons per day)Not reported
AIKEN WTF/HORSE CREEK TFCWNS2022_45000612001Not reported MGD (million gallons per day)Not reported
GROVE CREEK PLANT & INTERCWNS2022_45000614024Not reported MGD (million gallons per day)Not reported
Saluda/Brushy Creek WWTPCWNS2022_45000614031Not reported MGD (million gallons per day)Not reported
Huff Creek WWTPCWNS2022_45000614033Not reported MGD (million gallons per day)Not reported
WILSON CREEK STPCWNS2022_45000620002Not reported MGD (million gallons per day)Not reported
WEST ALEXANDER STREET PLACWNS2022_45000620004Not reported MGD (million gallons per day)Not reported
Oconee Co/Coneross Creek WWTFCWNS2022_45000704001Not reported MGD (million gallons per day)Not reported
CATEECHEE VILLAGE STPCWNS2022_45008001001Not reported MGD (million gallons per day)Not reported
PAMPLICO W.W. SYS.CWNS2022_45009005001Not reported MGD (million gallons per day)Not reported
KINGSTREE WWTPCWNS2022_45009016001Not reported MGD (million gallons per day)Not reported
SSSD/Clifton WWTPCWNS2022_45009020002Not reported MGD (million gallons per day)Not reported
HILTON HEAD PSD #1 STPCWNS2022_45009022001Not reported MGD (million gallons per day)Not reported
Broad River Regional WWTPCWNS2022_45011272006Not reported MGD (million gallons per day)Not reported
Fripp Island PSDCWNS2022_45041007201Not reported MGD (million gallons per day)Not reported
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
REDFIELD WWTFCWNS2022_46000091001Not reported MGD (million gallons per day)Not reported
SALEM WWT WORKSCWNS2022_46000094001Not reported MGD (million gallons per day)Not reported
SISSETON WWT WORKSCWNS2022_46000095001Not reported MGD (million gallons per day)Not reported
SPRINGFIELD CITY WWTLCWNS2022_46000096001Not reported MGD (million gallons per day)Not reported
TYNDALL WWT FACILITIESCWNS2022_46000099001Not reported MGD (million gallons per day)Not reported
WAGNER WWTPCWNS2022_46000100001Not reported MGD (million gallons per day)Not reported
WESSINGTON SPRINGS WWT WKCWNS2022_46000101001Not reported MGD (million gallons per day)Not reported
STURGIS WWT FACCWNS2022_46000102001Not reported MGD (million gallons per day)Not reported
WEBSTER WWT FACCWNS2022_46000103001Not reported MGD (million gallons per day)Not reported
VERMILLION WWT WORKSCWNS2022_46000107001Not reported MGD (million gallons per day)Not reported
PIERRE WWT FACCWNS2022_46000108001Not reported MGD (million gallons per day)Not reported
SIOUX FALLS WWT FACILITYCWNS2022_46000110001Not reported MGD (million gallons per day)Not reported
HERREID WWTPCWNS2022_46000113001Not reported MGD (million gallons per day)Not reported
VIBORG WWTPCWNS2022_46000114001Not reported MGD (million gallons per day)Not reported
SINAI WWTPCWNS2022_46000115001Not reported MGD (million gallons per day)Not reported
AVON LAGOONSCWNS2022_46000258001Not reported MGD (million gallons per day)Not reported
PLANKINTON LAGOONCWNS2022_46000260001Not reported MGD (million gallons per day)Not reported
TABOR LAGOONCWNS2022_46000263001Not reported MGD (million gallons per day)Not reported
IROQUOIS LAGOONCWNS2022_46000264001Not reported MGD (million gallons per day)Not reported
VOLGA LAGOONCWNS2022_46000266001Not reported MGD (million gallons per day)Not reported
HECLA WWTPCWNS2022_46000267001Not reported MGD (million gallons per day)Not reported
WARNER LAGOONSCWNS2022_46000268001Not reported MGD (million gallons per day)Not reported
WHITE LAGOONSCWNS2022_46000269001Not reported MGD (million gallons per day)Not reported
ELKTON LAGOONSCWNS2022_46000270001Not reported MGD (million gallons per day)Not reported
FREDRICK LAGOONSCWNS2022_46000271001Not reported MGD (million gallons per day)Not reported
COLUMBIA LAGOONCWNS2022_46000272001Not reported MGD (million gallons per day)Not reported
ARTAS LAGOONSCWNS2022_46000274001Not reported MGD (million gallons per day)Not reported
POLLOCK LAGOONSCWNS2022_46000275001Not reported MGD (million gallons per day)Not reported
LAKE ANDES LAGOONSCWNS2022_46000277001Not reported MGD (million gallons per day)Not reported
GEDDES LAGOONSCWNS2022_46000278001Not reported MGD (million gallons per day)Not reported
RAYMOND LAGOONCWNS2022_46000285001Not 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.