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Notice

Clean Water Act Section 303(d): Availability of Total Maximum Daily Loads (TMDLs) and Determinations That TMDLs Are Not Needed

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AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Notice of availability.

SUMMARY:

This notice announces the availability for comment of the administrative record file for 98 TMDLs and the calculations for these TMDLs prepared by EPA Region 6 for waters listed in the Calcasieu and Ouachita river basins, under section 303(d) of the Clean Water Act (CWA). These TMDLs were completed in response to a court order in the lawsuit Sierra Club, et al. v. Clifford et al., No. 96-0527, (E.D. La.).

This notice also announces the availability for comment of EPA determinations that TMDLs are not needed for 20 waterbody/pollutant combinations in the Calcasieu and Ouachita river basins because new data and information show that water quality standards are being met. This proposed action would result in the removal of 20 waterbody/pollutant combinations from the Louisiana 303(d) list.

DATES:

Comments must be submitted in writing to EPA on or before April 29, 2002.

ADDRESSES:

Comments on the 98 TMDLs and the determinations that TMDLs are not needed for 20 waterbody/pollutant combinations should be sent to Ellen Caldwell, Environmental Protection Specialist, Water Quality Protection Division, U.S. Environmental Protection Agency Region 6, 1445 Ross Ave., Dallas, TX 75202-2733. For further information, contact Ellen Caldwell at (214) 665-7513. The administrative record file for these TMDLs and the determinations that TMDLs are not needed are available for public inspection at this address as well. Documents from the administrative record file may be viewed at www.epa.gov/​region6/​water/​tmdl.htm, or obtained by calling or writing Ms. Caldwell at the above address. Please contact Ms. Caldwell to schedule an inspection.

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FOR FURTHER INFORMATION CONTACT:

Ellen Caldwell at (214) 665-7513.

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SUPPLEMENTARY INFORMATION:

In 1996, two Louisiana environmental groups, the Sierra Club and Louisiana Environmental Action Network (plaintiffs), filed a lawsuit in Federal Court against the United States Environmental Protection Agency (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 Seeks Comments on 98 TMDLs

By this notice EPA is seeking comment on the following 98 TMDLs for waters located within the Calcasieu and Ouachita river basins:

SubsegmentWaterbody namePollutant
030301Calcasieu River & Ship Channel—Saltwater Barrier to Moss Lake (Estuarine) (Includes Coon Island and Clooney Island Loops).Contaminated sediments (Mercury, PAHs, and toxicity).
030306Bayou Verdine (Estuarine)Contaminated sediments (4,4′-DDT, Methoxychlor, PAHs, Zinc, Calcium, and toxicity).
030901Bayou D'Inde—Headwaters to Calcasieu River (Estuarine)Contaminated sediments (Mercury, toxicity,and organics).
030305Contraband Bayou (Estuarine)Copper.
031201Calcasieu River Basin—Coastal Bays and Gulf Waters to State 3 mile limit.Mercury.
030301Calcasieu River and Ship Channel—Saltwater Barrier to Moss Lake (Estuarine) (Includes Coon Island and Clooney Island Loops).Metals (Copper, Lead, and Mercury).
030304Moss Lake (Estuarine)Metals (Copper, Mercury).
030306Bayou Verdine (Estuarine)Metals (Mercury, Nickel).
030901Bayou D'Inde—Headwaters to Calcasieu River (Estuarine)Metals (Copper, Nickel, and Mercury).
030305Contraband Bayou (Estuarine)Pathogen indicators.
030701Bayou SerpentPesticides (Fipronil).
030301Calcasieu River and Ship Channel—Saltwater Barrier to Moss Lake (Estuarine) (Includes Coon Island and Clooney Island Loops).Priority organics (PAHs).
030306Bayou Verdine (Estuarine)Priority organics (Phenols, and 1,2-Dichloroethane).
030901Bayou D'Inde—Headwaters to Calcasieu River (Estuarine)Priority organics (PCBs, Tetrachloroethane, Hexachlorobenzene, Hexachlorobutadiene, and Bromoform).
030702English Bayou—Headwaters to Calcasieu RiverSuspended solids.
030702English Bayou—Headwaters to Calcasieu RiverTurbidity.
081501Castor Creek—Headwaters to Little RiverChlorides.
0809(04)Little Bayou Boeuf/Wham Brake (within segment 0809)Dioxins.
080912Tisdale Brake/Staulkinghead Creek from origin to Little Bayou Boeuf.Dioxins.
080101Ouachita River—Arkansas State Line to Columbia Lock and Dam (Scenic from the Arkansas State Line to intersection with Bayou Bartholomew—22 miles).Mercury.
080902Bayou Bonne Idee—Headwaters to Boeuf RiverNitrogen.
080102Bayou ChauvinNoxious aquatic plants.
080201Ouachita River—Columbia Lock and Dam to JonesvilleNutrients.
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080302Black River—Corps of Engineers Control Structure to Red River.Nutrients.
080902Bayou Bonne Idee—Headwaters to Boeuf RiverNutrients.
080904Bayou Lafourche—near Oakridge to Boeuf River near Columbia.Nutrients.
080910Clear LakeNutrients.
081002Joe's Bayou—Headwaters to Bayou MaconNutrients.
081201Tensas River—Headwaters to Jonesville (including Tensas Bayou).Nutrients.
081202Lake St. Joseph (Oxbow Lake) Nutrients.
080201Ouachita River—Columbia LockOrganic enrichment/low DO.
080501Bayou de L'Outre—Arkansas State to Ouachita River (Scenic).Organic enrichment/low DO.
080607Corney Bayou—from Arkansas State Line to Corney Lake (Scenic).Organic enrichment/low DO.
080902Bayou Bonne Idee—Headwaters to Boeuf RiverOrganic enrichment/low DO.
080904Bayou Lafourche—near Oakridge to Boeuf River near ColumbiaOrganic enrichment/low DO.
080910Clear LakeOrganic enrichment/low DO.
081002Joe's Bayou—Headwaters to Bayou MaconOrganic enrichment/low DO.
081201Tensas River—Headwaters to Jonesville (including Tensas Bayou)Organic enrichment/low DO.
081202Lake St. Joseph (Oxbow Lake)Organic enrichment/low DO.
080102Bayou Chauvin—Headwaters to the Ouachita RiverPathogen indicators.
080610Middle Fork of Bayou D'Arbonne—From origin to Bayou D'Arbonne Lake (Scenic)Pathogen indicators.
080905Turkey Creek—Headwaters to Turkey Creek Cutoff and Turkey Creek Cutoff to Big Creek including Glade SloughPathogen indicators.
080910Clear LakePathogen indicators.
081001Bayou MaconPathogen indicators.
081602Little River—From Bear Creek to Catahoula Lake (Scenic)Pathogen indicators.
080901Boeuf River—Arkansas State Line to Ouachita RiverPesticides (Carbofuran, DDT, and Toxaphene).
080903Big Creek—Headwaters to BoeufPesticides (Carbofuran, Atrazine, DDT, and Methyl Parathion).
081001Bayou MaconPesticides (DDT).
081002Joe's Bayou—Headwaters to Bayou MaconPesticides (Carbofuran, and DDT).
081201Tensas River—Headwaters to Jonesville including Tensas BayouPesticides (Carbofuran, Toxaphene, and DDT).
080902Bayou Bonne Idee—Headwaters to Boeuf RiverPhosphorus.
080904Bayou Lafourche—near Oakridge to Boeuf River near ColumbiaPriority organics (Dioxins).
081501Castor Creek—Headwaters to Little RiverSalinity/TDS.
080202Bayou LouisSiltation.
080901Boeuf River—Arkansas State Line to Ouachita RiverSiltation.
080102Bayou ChauvinSuspended solids.
080901Boeuf River—Arkansas State Line to Ouachita RiverSuspended solids.
080903Big Creek—Headwaters to Boeuf River (including Big Colewa Bayou)Suspended solids.
080904Bayou Lafourche—near Oakridge to Boeuf River near ColumbiaSuspended solids.
080910Clear LakeSuspended solids.
081001Bayou Macon—Arkansas State Line to Tensas RiverSuspended solids.
081002Joe's Bayou—Headwaters to Bayou MaconSuspended solids.
081201Tensas River—Headwaters to Jonesville (including Tensas Bayou)Suspended solids.
081202Lake St. Joseph (Oxbow Lake)Suspended solids.
080102Bayou ChauvinTurbidity.
080901Boeuf River—Arkansas State Line to Ouachita RiverTurbidity.
080903Big Creek—Headwaters to Boeuf River (including Big Colewa Bayou)Turbidity.
080904Bayou Lafourche—near Oakridge to Boeuf River near ColumbiaTurbidity.
081001Bayou Macon—Arkansas State Line to Tensas RiverTurbidity.
081201Tensas River—Headwaters to Jonesville (including Tensas Bayou)Turbidity.

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EPA Seeks Comments on Proposed Determinations That 20 TMDLs for Waterbody/Pollutant Combinations Are Not Needed Due to Assesssment of New Data and Information That Shows They Are Meeting WQS

SubsegmentWaterbody namePollutant
030301Calcasieu River and Ship Channel—Saltwater Barrier to Moss Lake (Estuarine) (includes Coon Island and Clooney Island Loops)Ammonia
030302Lake Charles (Estuarine)Non-priority organics
030306Bayou VerdineNon-priority organics
030901Bayou D'Inde—Headwaters to Calcasieu River (Estuarine)Non-priority organics
030901Bayou D'Inde—Headwaters to Calcasieu River (Estuarine)Other inorganics
030302Lake Charles (Estuarine)Priority organics
030303Prien LakePriority organics
030304Moss Lake (Estuarine)Priority organics
030305Contraband Bayou (Estuarine)Priority organics
030401Calcasieu River—Calcasieu Ship Channel Below Moss Lake to the Gulf of Mexico (Estuarine) (Includes Monkey Island Loop).Priority organics
030402Calcasieu Lake (Estuarine)Priority organics
080102Bayou Chauvin—Headwaters to the Ouachita RiverAmmonia
080901Boeuf River—Arkansas State Line to Ouachita RiverAmmonia
080905Turkey Creek—Headwaters to Turkey Creek Cutoff and Turkey Creek Cutoff to Big Creek including Glade Slough.Ammonia
081401Dugdemona River—Headwaters to junction with Big CreekDioxins
081001Bayou Macon—Arkansas State Line to Tensas RiverNutrients
081402Dugdemona River—From Big Creek to Little RiverOrganic enrichment/low DO
081609Hemphill Creek—Headwaters to Catahoula Lake (includes Hair Creek).Organic enrichment/low DO
080901Boeuf River—Arkansas State Line to Ouachita RiverPhosphorus
080903Big Creek—Headwaters to Boeuf River (including Big Colewa Bayou).Phosphorus

EPA requests that the public provide any water quality related data and information that may be relevant to the calculations for these 98 TMDLs, or any other comments relevant to the 20 proposed determinations that TMDLs are not needed. EPA will review all data and information submitted during the public comment period and revise the TMDLs and determinations where appropriate. EPA will then forward the TMDLs to the Court and the Louisiana Department of Environmental Quality (LDEQ). LDEQ will incorporate the TMDLs into its current water quality management plan. EPA also will revise the Louisiana 303(d) list as appropriate.

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Dated: March 21, 2002.

Jayne Fontenot,

Acting Director, Water Quality Protection Division, Region 6.

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[FR Doc. 02-7771 Filed 3-28-02; 8:45 am]

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