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Clean Water Act Section 303(d): Final Agency Action on 12 Modified Total Maximum Daily Loads (TMDLs)

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Environmental Protection Agency (EPA).


Notice of availability.


This notice announces final agency action modifying 12 established TMDLs prepared by EPA Region 6 for waters listed in Louisiana's Mermentau and Vermilion/Teche river basins, under section 303(d) of the Clean Water Act (CWA). The EPA evaluated these waters and prepared the 12 TMDLs in response to a consent decree entered in the lawsuit Sierra Club, et al. v. Clifford et al., No. 96-0527, (E.D. La.). Documents from the administrative record files for the 12 modified TMDLs, including TMDL calculations and responses to comments, may be viewed at​region6/​water/​tmdl.htm.


The administrative record files may be obtained by writing or calling Ms. Ellen Caldwell, Environmental Protection Specialist, Water Quality Protection Division, U.S. Environmental Protection Agency Region 6, 1445 Ross Ave., Dallas, TX 75202-2733. Please contact Ms. Caldwell to schedule an inspection.

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Ellen Caldwell at (214) 665-7513.

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In 1996, two Louisiana environmental groups, the Sierra Club and Louisiana Environmental Action Network (plaintiffs), filed a lawsuit in Federal Court against the EPA, styled Sierra Club, et al. v. Clifford et al., No. 96-0527, (E.D. La.). Among other claims, plaintiffs alleged that EPA failed to establish Louisiana TMDLs in a timely manner.

EPA Takes Final Agency Action on 12 Modified TMDLs

By this notice EPA is taking final agency action modifying the following 12 TMDLs for waters located within the Mermentau and Vermilion/Teche river basins:

SubsegmentWaterbody namePollutant
050102Bayou Joe MarcelPathogen indicators
060204Bayou Courtableau—Origin to West Atchafalaya Borrow Pit CanalPathogen indicators
060212Chatlin Lake Canal and Bayou DulacPathogen indicators
060701Tete BayouPathogen indicators
060703Bayou PortagePathogen indicators
060901Bayou Petite AnsePathogen indicators
060909Lake PeigneurPathogen indicators
060911Dugas CanalPathogen indicators
060204Bayou Courtableau—Origin to West Atchafalaya Borrow Pit CanalSulfates
050201Bayou Plaquemine Brule—Headwaters to Bayou Des CannesTDS
050501Bayou Queue de Tortue—Headwaters to Mermentau RiverTDS
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060208Bayou Boeuf—Headwaters to Bayou CourtableauTDS

EPA requested the public to provide EPA with any significant data or information that may impact the 12 modified TMDLs in 67 FR 77257 (December 17, 2002). The comments received and EPA's response to comments may be found at​region6/​water/​tmdl.htm.

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Dated: April 17, 2003.

Miguel I. Flores,

Director, Water Quality Protection Division, Region 6.

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[FR Doc. 03-10270 Filed 4-24-03; 8:45 am]