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

Wastewater treatment plants in United States · Louisiana

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265 inventory records · HydroWASTE v1.0 / United States

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

265 results

CompareNameNative sizeYear
CHENEYVILLE SEWAGE DISPOSAL SYSTEMHW:30119737 population served2012
REDDELL PONDHW:30250733 population served2012
Village of MermentauHW:30212723 population served2012
GREENSBURG PONDHW:30304718 population served2012
GILBERT STPHW:30133709 population served2012
LINWOOD SUBDIVISIONHW:30180700 population served2012
S D 2 SEWERAGE SYSTEMHW:30350694 population served2012
SIMSBORO STPHW:30274684 population served2012
ELIZABETH STPHW:30214682 population served2012
PLEASANT HILL STPHW:30297675 population served2012
Village of WilsonHW:30247668 population served2012
MANGHAM PONDHW:30295665 population served2012
MADISONVILLE STPHW:30166659 population served2012
MORGANZA PONDHW:30291659 population served2012
EPPS LAGOONHW:30340655 population served2012
E COLUMBIA SD 1HW:30230650 population served2012
DOWNSVILLE STPHW:30327647 population served2012
MAURICE WWTPHW:30330642 population served2012
Village of TickfawHW:30141617 population served2012
MER ROUGE STPHW:30168586 population served2012
CLARENCE WWCTSHW:30283577 population served2012
CHATHAM PONDHW:30262557 population served2012
GROSSE TETE STPHW:30261541 population served2012
PROVENCAL WWCTSHW:30285538 population served2012
FOLSOM STPHW:30130531 population served2012
VILLAGE GREEN SUBDIVISIONHW:30364504 population served2012
CHATAIGNIER PONDHW:30252501 population served2012
PLAQUEMINE NORTH WWTPHW:30184500 population served2012
Winnsboro Industrial WWTPHW:30206500 population served2012
SONDHEIMER SEPTICSHW:30244500 population served2012
COLUMBIA SEWERAGE SYSTEMHW:30120480 population served2012
HORNBECK WWCTSHW:30331480 population served2012
LEWISTOWN PONDHW:30271450 population served2012
EAST HODGE STPHW:30263439 population served2012
CONVERSE LAGOONHW:30296436 population served2012
NATCHEZ WWCTSHW:30284434 population served2012
SOUTH MANSFIELD WWSSHW:30240407 population served2012
JONATAN DAVIS STPHW:30268400 population served2012
FENTON WWSSHW:30269380 population served2012
SHELBURN SEPTICSHW:30243376 population served2012
FOREST HILL STPHW:30131353 population served2012
EVERGREEN WWTPHW:30221330 population served2012
RODESSA STPHW:30188310 population served2012
GEORGETOWN STPHW:30256288 population served2012
ATHENS STPHW:30231278 population served2012
SALINE STPHW:30192272 population served2012
Whispering Pines WWTPHW:30367271 population served2012
CASTOR STPHW:30229258 population served2012
IDA STPHW:30147250 population served2012
Mandela WWTPHW:30290250 population served2012
Harmony Hills WWTPHW:30368248 population served2012
DELTA STPHW:30280234 population served2012
REEVES LAGOONHW:30217232 population served2012
AURORA PARK SUBDIVISIONHW:30365225 population served2012
CALVIN LAGOONHW:30345207 population served2012
Timberlane Trailer ParkHW:30185200 population served2012
GRAND CANE STPHW:30241191 population served2012
ROBELINE WWCTSHW:30286174 population served2012
QUITMAN STPHW:30265162 population served2012
Lightwood Sewer Morehouse ParishHW:30380157 population served2012
EROS STPHW:30264155 population served2012
Madison Parish Second Georgia SDHW:30385138 population served2012
Donahue East WWTPHW:30366128 population served2012
PIONEER WWTPHW:30342116 population served2012
VELMA WWTFHW:30322100 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.