• AIR QUALITY ADVISORY - LDEQ has issued an Air Quality Action Day for Ozone for Saturday, May 28 and Sunday, May 29, for the Baton Rouge and New Orleans areas.

WATER

TMDL Reports and Models

Draft TMDL / Alternative Reports for Public Review

Subsegment# Basin Title End of Comment Period
       

Final TMDL / Alternative Reports Approved by EPA

Subsegment# Basin Title Date Finalized
020501 Barataria St. Charles Canals and Bayous (including Main Canal)--Oxygen Demand 7/30/2004
020301 Barataria Bayou Des Allemands--Oxygen Demand 7/30/2004
020301 Barataria Appendices for Bayou Des Allemands--Oxygen Demand 7/30/2004
020101 Barataria Bayou Verret, Bayou Chevreuil, Bayou Citamon, and Grand Bayou TMDL for Biochemical Oxygen-Demanding Substances 4/18/2011
020701 Barataria Bayou Segnette--Oxygen Demand 7/30/2004
020501 Barataria Appendices for St. Charles Parish Canals and Bayou (including Main Canal)--Oxygen Demand 7/30/2004
020701 Barataria Appendices for Bayou Segnette--Oxygen Demand 7/30/2004
020102 & 020103 Barataria Bayou Boeuf, Halpin Canal, and Theriot Canal (020102) and Lake Boeuf (020103) Revised TMDL for Biochemical Oxygen-Demanding Substances 7/29/2011
120301 Bayou Terrebonne Final Revised Bayou Terrebonne Watershed TMDL for BOD and Nutrients 11/23/2015
030101 Calcasieu River Calcasieu River TMDL for Fecal Coliform Bacteria 3/7/2011
030603 Calcasieu River Marsh Bayou TMDL for Fecal Coliform Bacteria 3/7/2011
030802 Calcasieu River Hickory Branch TMDL for Fecal Coliform Bacteria 3/7/2011
030701 Calcasieu River Bayou Serpent TMDL for Dissolved Lead 3/7/2011
030805 Calcasieu River Indian Bayou TMDL for Fecal Coliform Bacteria 3/7/2011
031101 Calcasieu River Intracoastal Waterway TMDL for Fecal Coliform Bacteria 3/7/2011
030804 Calcasieu River Little River TMDL for Dissolved Lead 3/7/2011
030501 Calcasieu River Whiskey Chitto Creek TMDL for Fecal Coliform Bacteria 3/7/2011
030804 Calcasieu River Basin Little River--Oxygen Demand 3/15/2002
030101, 030102, 030103 Calcasieu River Basin Calcasieu River-Dissolved Lead 5/31/2002
030805 Calcasieu River Basin Indian Bayou--Oxygen Demand 3/25/2002
030807 Calcasieu River Basin Bear Head Creek-Dissolved Lead 12/19/2003
030803 Calcasieu River Basin Beckwith Creek-Dissolved Lead 12/19/2003
030506, 030507 Calcasieu River Basin Bundicks Creek and Lake-Dissolved Lead 12/19/2003
030503, 030504 Calcasieu River Basin Six Mile Creek (including East/West Forks)-Dissolved Lead 12/19/2003
030103 Calcasieu River Basin Wasteload Allocation Report for Town of Kinder Sewage Treatment Plant 3/2/2005
030807 Calcasieu River Basin Bear Head Creek-Oxygen Demand 9/30/2002
030601, 030602 Calcasieu River Basin Barnes Creek-Oxygen Demand 5/31/2002
030104 Calcasieu River Basin Mill Creek--Oxygen Demand 9/2/2003
030101 Calcasieu River Basin Upper Calcasieu River-Oxygen Demand 9/2/2003
030305, 030801, 030806, 030901, 031001 Calcasieu River Basin Appendices for Calcasieu Tributaries--Oxygen Demand 7/1/2002
030305, 030801, 030806, 030901, 031001 Calcasieu River Basin Calcasieu Estuary, Contraband Bayou, West Fork Calcasieu River, Houston River, Bayou D'Inde, Bayou Choupique--Oxygen Demand (revised) 7/1/2002
030603 Calcasieu River Basin Marsh Bayou--Oxygen Demand 7/1/2002
030806 Calcasieu River Basin Houston River--Oxygen Demand 7/1/2002
030701 Calcasieu River Basin Bayou Serpent-Oxygen Demand 5/31/2002
040905, 040906, 040907, and 040908 Lake Pontchartrain Final Bayou Bonfouca and Bayou Liberty TMDL for Biochemical Oxygen-Demanding Substances 10/19/2011
040305 Lake Pontchartrain Colyell Creek TMDL for Biochemical Oxygen-Demanding Substances 7/29/2011
040603 Lake Pontchartrain Selsers Creek TMDL for Biochemical Oxygen-Demanding Substances 7/29/2011
040303 Lake Pontchartrain Lower Amite River TMDL for Biochemical Oxygen-Demanding Substances 5/20/2011
040201 Lake Pontchartrain Final Bayou Manchac TMDL for Biochemical Oxygen-Demanding Substances-Phase I 5/11/2011
040901 & 040902 Lake Pontchartrain Bayou Lacombe TMDL for Biochemical Oxygen-Demanding Substances 3/2/2012
040304 Lake Pontchartrain Grays Creek Watershed TMDL for Biochemical Oxygen-Demanding Substances 11/23/2010
040903 & 040904 Lake Pontchartrain Bayou Cane TMDL for Biochemical Oxygen-Demanding Substances 6/10/2011
040802 & 040803 Lake Pontchartrain Lower Tchefuncte River TMDL for Biochemical Oxygen-Demanding Substances 3/6/2012
050304 Mermentau River Bayou Blue TMDL for Dissolved Lead 3/7/2011
050601 Mermentau River Lacassine Bayou TMDL for Dissolved Lead 3/7/2011
050301 Mermentau River Bayou Nezpique TMDL for Dissolved Lead 3/7/2011
050303 Mermentau River Castor Creek TMDL for Dissolved Lead 3/7/2011
050603 Mermentau River Bayou Chene TMDL for Dissolved Lead 3/7/2011
050401 Mermentau River Basin Mermentau River-Oxygen Demand 2/25/2000
050101, 050103, 050201 Mermentau River Basin Bayou des Cannes-Oxygen Demand/Nutrients 2/25/2000
050301, 050302, 050303, 050304 Mermentau River Basin Bayou Nezpique-Oxygen Demand 2/25/2000
050501 Mermentau River Basin Bayou Queue de Tortue-Oxygen Demand/Nutrients 2/25/2000
050601 Mermentau River Basin Lacassine Mill Summary 4/10/2006
050601 Mermentau River Basin Bayou Lacassine-Oxygen Demand (revised) 9/2/2003
050201 Mermentau River Basin Bayou Plaquemine Brule-Oxygen Demand/Nutrients 2/25/2000
070505 Mississippi River Tunica Bayou Restoration Plan for Fecal Coliform Bacteria 10/5/2020
081608 Ouachita River Big Creek TMDL for Fecal Coliform Bacteria 3/7/2011
080606 Ouachita River Cypress Creek TMDL for Fecal Coliform Bacteria 3/7/2011
080906 Ouachita River Turkey Creek TMDL for Fecal Coliform Bacteria 3/7/2011
081607 Ouachita River Trout Creek TMDL for Fecal Coliform Bacteria 3/7/2011
080101 Ouachita River Basin Appendices for Ouachita River--Oxygen Demand 7/1/2002
080101 Ouachita River Basin A summary of the April 3, 2006 update and calculation of a Graphic Packaging allocation with respect to the Ouachita River flow at Monroe 3/2/2007
080903 Ouachita River Basin Big Creek Watershed TMDL for Biochemical Oxygen-Demanding Substances or Pollutants and Nutrients 5/31/2002
080909 Ouachita River Basin Crew Lake-Oxygen Demand 7/1/2002
080102 Ouachita River Basin Bayou Chauvin-Oxygen Demand/Nutrients (vol. 1) 5/31/2002
081606 Ouachita River Basin Fish Creek-Dissolved Lead 12/19/2003
080901 Ouachita River Basin Boeuf River--Oxygen Demand/Nutrients 7/1/2002
080701 Ouachita River Basin Bayou Desiard--Oxygen Demand/Nutrients 9/30/2002
081504 Ouachita River Basin Flat Creek--Oxygen Demand 11/13/2001
081501 Ouachita River Basin Castor Creek-Oxygen Demand 5/31/2002
080102 Ouachita River Basin Bayou Chauvin-Oxygen Demand/Nutrients (vol. 2) 5/31/2002
080603, 080609, 080610 Ouachita River Basin Bayou D'Arbonne, Middle Fork Bayou D'Arbonne, Corney Bayou--Oxygen Demand 7/1/2002
080101 Ouachita River Basin Ouachita River--Oxygen Demand/Nutrients 7/1/2002
090503 Pearl River Little Silver Creek TMDL for Fecal Coliform Bacteria 3/7/2011
090502 Pearl River Big Silver Creek TMDL for Fecal Coliform Bacteria 3/7/2011
090207 Pearl River Middle and West Middle Pearl River TMDL for Fecal Coliform Bacteria 3/7/2011
101101 Red River Cane River TMDL for Fecal Coliform Bacteria 3/7/2011
100402 Red River Wasteload Allocation for Red Chute Bayou near Bossier City, Louisiana 8/25/1991
100402 Red River Addendum to waste load allocation for Red Chute Bayou near Bossier City 10/24/1997
100606 Red River Basin Bayou Pierre Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 4/26/2007
101303 Red River Basin Iatt Creek Watershed TMDL for Biochemical Oxygen-Demanding Substances 4/18/2006
101506 Red River Basin Big Creek Watershed TMDL for Biochemical Oxygen-Demanding Substances 8/12/2008
100605 Red River Basin Lake Edwards/Smithport Lake Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 10/19/2007
101605 Red River Basin Bayou Cocodrie Watershed TMDL for Biochemical Oxygen-Demanding Substances 4/18/2006
110402 Sabine River Bayou Toro TMDL for Dissolved Lead 3/7/2011
110501 Sabine Rver Basin West Anacoco Creek Watershed TMDL For Biochemical Oxygen-Demanding Substances and Nutrients 1/15/2008
120104 Terrebonne Bayou Grosse Tete TMDL for Biochemical Oxygen-Demanding Substances 4/18/2011
120111 Terrebonne Bayou Maringouin TMDL for Biochemical Oxygen-Demanding Substances 4/18/2011
120206 Terrebonne Grand Bayou and Little Grand Bayou TMDL for Biochemical Oxygen-Demanding Substances 4/18/2011
120303 Terrebonne Final Revised Bayou L'Eau Bleu Watershed Total Maximum Daily Load for Biochemical Oxygen-Demanding Substances and Nutrients, Subsegment 120303 10/20/2016
120503 Terrebonne Basin Bayou Petit Caillou TMDL for Biochemical Oxygen-Demanding Substances 1/25/2006
120111 Terrebonne Basin Bayou Maringouin TMDLs for Biochemical Oxygen-Demanding Substances and Nutrients 1/25/2006
120507 Terrebonne Basin Bayou Chauvin Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 8/15/2007
120501 Terrebonne Basin Bayou Grand Caillou Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 4/7/2006
120301 Terrebonne Basin Bayou Terrebonne Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 4/15/2008
120201 Terrebonne Basin Lower Grand/Belle River Watershed Revised TMDL for Biochemical Oxygen-Demanding Substances and Nutrients - Final 9/15/2014
120302 Terrebonne Basin Bayou Folse Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 4/15/2008
120201 Terrebonne Basin Lower Grand/Belle River Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 7/10/2006
120206 Terrebonne Basin Grand Bayou Watershed TMDL for Biochemical Oxygen-Demanding Substances 4/15/2008
120504 Terrebonne Basin Petit Caillou Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 4/15/2008
120505 Terrebonne Basin Bayou Du Large Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients 8/15/2007
120104 Terrebonne Basin Bayou Grosse Tete Watershed TMDL for Biochemical Oxygen-Demanding Substances and Nutrients, Including Bayou Portage and Bayou Fordoche 7/6/2007
120102, 120103, 120105, 120106, 120107, 120109, 120110 Terrebonne Basin Final Upper Terrebonne Basin Revised TMDL for BOD substances 06/25/2021
120605 Terrebonne Basin Bayou Pointe au Chien TMDL Report 11/7/2006
060201 Vermilion-Teche River Basin Bayou Cocodrie TMDL for Dissolved Copper 8/12/2008
060701, 060401 Vermilion-Teche River Basin Summary of Modeling for the Iberia Parish Sewerage District No. 1 POTW 4/6/2006
060301, 060401 Vermilion-Teche River Basin Addendum to the 2000 Bayou Teche TMDL for Biochemical Oxygen-Demanding Substances 11/30/2005
060301, 060401, 060501 Vermilion-Teche River Basin Bayou Teche Watershed TMDL for Dissolved Oxygen 2/25/2000
060204 Vermilion-Teche River Basin Bayou Courtableau-Oxygen Demand 2/25/2000
060702 Vermilion-Teche River Basin Lake Fausse Point and Dauterive Lake-Oxygen Demand/Nutrients (revised) 9/2/2003
060201 Vermilion-Teche River Basin Bayou Cocodrie-Copper 2/25/2000
060208 Vermilion-Teche River Basin Bayou Boeuf-Oxygen Demand 2/25/2000
060101, 060102, 060201, 060202, 060203 Vermilion-Teche River Basin Bayou Cocodrie/Lake Chicot System (revised)--Oxygen Demand 9/2/2003
060801, 060802 Vermilion-Teche River Basin Vermilion River-Oxygen Demand 4/5/2001