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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
FERRIDAY SOUTHWEST WWTPHW:302374,111 population served2012
BUNKIE STPHW:301164,100 population served2012
BOOTHVILLE VENICE STPHW:302884,097 population served2012
CADDO PARISH SD 7 WWTFHW:303494,000 population served2012
JONESBORO NORTH PONDHW:302673,914 population served2012
HAYNESVILLE STPHW:302323,900 population served2012
COUSHATTA WWTPHW:302943,838 population served2012
HOMER WWTPHW:302333,788 population served2012
DEQUINCY SEWER SYSTEMHW:301263,742 population served2012
MAMOU STPHW:302493,733 population served2012
RAYVILLE STPHW:301873,695 population served2012
Town of RidgecrestHW:303473,612 population served2012
CARENCRO SEW OXY PONDHW:301173,500 population served2012
WELSH STPHW:302703,380 population served2012
FARMERVILLE STPHW:303253,334 population served2012
VINTON SEWERAGE SYSTEMHW:302003,154 population served2012
DELHI SEWERAGE SYSTEMHW:301253,066 population served2012
KELLEY LAND SUBDHW:303623,017 population served2012
GRAMERCY STPHW:303053,000 population served2012
INDEPENDENCE PONDHW:303163,000 population served2012
BLANCHARD SEWERAGE SYSTEMHW:301122,899 population served2012
MANY STPHW:303002,853 population served2012
STERLINGTON STPHW:302872,794 population served2012
JONESVILLE STPHW:301512,720 population served2012
LOCKPORT STPHW:302732,629 population served2012
COTTONPORT WWTFHW:301212,600 population served2012
BRUSLY STPHW:303382,589 population served2012
IOWA SEWERAGE SYSTEMHW:301482,588 population served2012
KENTWOOD LAGOONHW:303172,468 population served2012
ERATH WWCTSHW:303282,428 population served2012
St Mary SD 5HW:303142,400 population served2012
Rosethorn WWTPHW:303592,350 population served2012
COTTON VALLEY STPHW:303332,258 population served2012
KINDERHW:302152,246 population served2012
SUNSET LAGOONHW:303072,201 population served2012
PEARL RIVER WWTPHW:301812,179 population served2012
DELCAMBRE STPHW:302582,168 population served2012
OAK GROVE PONDHW:303412,126 population served2012
GREENWOOD STPHW:301372,092 population served2012
SIMMESPORT STPHW:301942,092 population served2012
NAPOLEONVILLE STPHW:302201,900 population served2012
RINGGOLD NORTH STPHW:302271,856 population served2012
BASILE STPHW:302481,821 population served2012
ST FRANCISVILLE WWTPHW:301911,814 population served2012
ZWOLLE STPHW:302981,780 population served2012
HAUGHTON STPHW:301431,700 population served2012
HENDERSON WWCTSHW:303121,674 population served2012
CLINTON WWTPHW:302451,653 population served2012
BERNICE STPHW:303241,653 population served2012
LOGANSPORT STPHW:301641,630 population served2012
CULLEN STPHW:303341,625 population served2012
MANSURA WWTPHW:302231,617 population served2012
GUEYDAN STPHW:301391,611 population served2012
COLFAX STPHW:302541,600 population served2012
NEWELLTON PONDHW:303211,576 population served2012
GLENMORA SEWERAGE SYSTEMHW:301341,558 population served2012
ROSEPINE WASTEWATER SYSHW:301891,500 population served2012
IOTA OX PONDHW:302111,500 population served2012
DRY PRONG WWTPHW:302551,488 population served2012
OLLA WWTPHW:301781,410 population served2012
LECOMPTE STPHW:301631,400 population served2012
LIVINGSTON STPHW:302771,342 population served2012
ABITA SPRINGS STPHW:301061,296 population served2012
GIBSLAND STPHW:302261,224 population served2012
OIL CITY STAB PONDHW:301771,219 population served2012
URANIA STPHW:303461,201 population served2012
ADDIS STPHW:301071,200 population served2012
NEW SEWAGE PLANTHW:301361,200 population served2012
ROSELAND WWTPHW:303231,194 population served2012
FISHER FLORIEN PONDHW:302991,193 population served2012
GRUNDY COOPER SUBDIVISIONHW:303631,174 population served2012
Town of EltonHW:303821,128 population served2012
SORRENTO STPHW:302191,119 population served2012
WISNER LAGOONHW:302531,112 population served2012
JONESBORO EAST PONDHW:302661,100 population served2012
ST MARY PARIS WESTERN PROJECT WCTSHW:303131,100 population served2012
WOODWORTH WWTPHW:302071,096 population served2012
ALBANY STPHW:302761,088 population served2012
WASHINGTON STPHW:303081,082 population served2012
CAMPTI STPHW:302821,035 population served2012
MOREAUVILLE STPHW:302251,025 population served2012
PLAIN DEALING STPHW:301821,015 population served2012
POLLOCK STPHW:301861,000 population served2012
SIBLEY LAGOONHW:30337997 population served2012
DUBACH SOUTH STPHW:30275961 population served2012
RINGGOLD SOUTH PLANTHW:30228956 population served2012
DODSON LAGOONHW:30343940 population served2012
CLAYTON LAGOONHW:30235917 population served2012
DOYLINE LAGOONHW:30335900 population served2012
SPRINGFIELD STPHW:30196899 population served2012
MARION LAGOONHW:30326893 population served2012
SAREPTA LAGOONHW:30336886 population served2012
Lukeville WWTPHW:30348876 population served2012
MOORINGSPORT STPHW:30173833 population served2012
LOREAUVILLE STPHW:30260811 population served2012
MERRYVILLE STPHW:30128800 population served2012
GOLDEN MEADOW STPHW:30272790 population served2012
ESTHERWOOD STPHW:30210750 population served2012
HESSMER LAGOONSHW:30222750 population served2012
JUNCTION CITY STPHW:30234743 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.