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Notice

Clean Water Act Section 303(d): Final Agency Action on 19 Total Maximum Daily Loads (TMDLs) and Final Agency Action on 54 Determinations That TMDLs Are Not Needed

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AGENCY:

Environmental Protection Agency (EPA).

ACTION:

Notice of availability.

SUMMARY:

This notice announces the final agency action on 19 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). This notice also announces the final agency action removing 54 waterbody/pollutant combinations from the Louisiana 303(d) list because TMDLs are not needed. EPA evaluated these waters and prepared the 19 TMDLs needed in response to a Court Order dated October 1, 1999, in the lawsuit Sierra Club, et al. v. Clifford et al., No. 96-0527, (E.D. La.). Under this court order, EPA is required to prepare TMDLs when needed for waters on the Louisiana 1998 section 303(d) list by December 31, 2007. Documents from the administrative record files for the 54 determinations that TMDLs are not needed and the final 19 TMDLs, TMDL calculations and responses to comments may be viewed at http://www.epa.gov/​region6/​water/​tmdl.htm. The administrative record files may be 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. Discussion of the court's order may be found at 65 FR 54032 (September 6, 2000).

EPA Takes Final Agency Action on 19 TMDLs

By this notice EPA is taking a final agency action on the following 19 TMDLs for waters located within the Mermentau and Vermilion/Teche basins:

SubsegmentWaterbody namePollutant
050201Bayou Plaquemine BruleMercury.
050101Bayou Des CanesMercury.
050702Seventh Ward Canal (Intracoastal Waterway)Mercury.
060203Chicot LakeMercury.
050901Coastal Waters of the Gulf of Mexico (Mermentau River Basin Coastal)Mercury.
061201Coastal Waters of the Gulf of Mexico (Vermilion-Teche RB-CB & G)Mercury.
050101Bayou Des CannesFecal Coliform.
050201Bayou Plaquemine BruleFecal Coliform.
050301Bayou NezpiqueFecal Coliform.
050501Bayou Queue de TortueTurbidity.
060208Bayou BoeufFecal Coliform.
060301Bayou TecheFecal Coliform.
060401Bayou TecheFecal Coliform.
060801Vermilion RiverFecal Coliform, Dissolved Oxygen, Nitrogen.
060802Vermilion RiverFecal Coliform, Dissolved Oxygen, Nitrogen.

EPA requested the public to provide EPA with any significant data or information that may impact the 19 TMDLs in 65 FR 19762 (April 12, 2000). The comments received and EPA's response to comments may be found at http://www.epa.gov/​region6/​water/​tmdl.htm.

Final Agency Action Removing 54 Waterbody/Pollutant Combinations From the Louisiana 303(d) List Because TMDLs Are Not Necessary

WaterbodyWaterbody descriptionSuspected pollutantReason for delisting
050101Bayou Des Cannes—Headwaters to MermentauTurbidityAssessment of new data and information shows it Is meeting Water Quality Standards (WQS).
050102Bayou Joe MarcelTurbidityAssessment of new data and information show it is meeting WQS.
050103Bayou MalletTurbidityAssessment of new data and information show it is meeting WQS.
050201Bayou Plaquemine Brule Headwaters to Bayou Des CannesChlorides, SulfatesAssessment of new data and information show it is meeting WQS.
050301Bayou Nezpique—Headwaters to Mermentau RiverTurbidityAssessment of new data and information show it is meeting WQS.
050401Mermentau River—Origin To Lake ArthurTurbidityAssessment of new data and information show it is meeting WQS.
050402Lake Arthur and Lower MermentauTurbidityAssessment of new data and information shows it is meeting WQS.
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050501Bayou Que de Tortue—Headwaters to Mermentau RiverChlorides, Sulfates, PhosphorusAssessment of new data and information shows it is it meeting WQS.
050602Intracoastal WaterwayTurbidityAssessment of new data and information shows it is meeting WQS.
050701Grand LakeTurbidityAssessment of new data and information shows it is meeting WQS.
050702Intracoastal WaterwayTurbidityAssessment of new data and information shows it is meeting WQS.
050703White LakeSulfatesAssessment of new data and information shows it is meeting WQS.
050901Bays and Gulf Waters to State 3-mile LimitTurbidityAssessment of new data and information shows it is meeting WQS.
060202Bayou CocodrieTurbidityAssessment of new data and information shows it is meeting WQS.
060203Chicot LakeTurbidityAssessment of new data and information shows it is meeting WQS.
060204Bayou Courtableau—Origin to West Atchafalaya Borrow Pit CanalChlorides TurbidityAssessment of new data and information shows it is meeting WQS.
060205Bayou Teche—Headwaters at Bayou Courtableau to I-10TurbidityAssessment of new data and information shows it is meeting WQS.
060207Bayou des Glaises Diversion ChannelTurbidityAssessment of new data and information shows it is meeting WQS.
060208Bayou Boeuf—Headwaters to Bayou CourtableauChlorides, Sulfates, TurbidityAssessment of new data and information shows it is meeting WQS.
060209Irish Ditch/Big Bayou—Unnamed Ditch to Irish DitchSalinity/TDS, Chlorides, SulfatesAssessment of new data and information shows it is meeting WQS.
060210Bayou CarronTurbidityAssessment of new data and information shows it is meeting WQS.
060211West Atchafalaya Borrow Pit CanalChlorides TurbidityAssessment of new data and information shows it is meeting WQS.
060212Chatlin Lake Canal and Bayou DuLacTurbidityAssessment of new data and information shows it is meeting WQS.
060401Bayou Teche—Keystone Locks and Dam to Charenton CanalTurbidityAssessment of new data and information shows it is meeting WQS.
060501Bayou Teche—Charenton Canal to Wax Lake OutletTurbidityAssessment of new data and information shows it is meeting WQS.
060601Charenton CanalTurbidityAssessment of new data and information shows it is meeting WQS.
060701Tete BayouTurbidityAssessment of new data and information shows it is meeting WQS.
060702Lake Fausse Point and Dauterive LakeTurbidityAssessment of new data and information shows it is meeting WQS.
060703Bayou du PortageTurbidityAssessment of new data and information shows it is meeting WQS.
060801Vermilion River—Head-waters at Bayou Fusilier-Bourbeaux Junction to New Flanders (Ambassador Caffery Bridge at Hwy 3073)Chlorides, Salinity/TDS, TurbidityAssessment of new data and information shows it is meeting WQS.
060802Vermilion River—From New Flanders (Ambassador Caffery Bridge at Hwy 3073) To Intracoastal WaterwaySalinity/TDS, Chlorides, Temp., TurbidityAssessment of new data and information shows it is meeting WQS.
060803Vermilion River CutoffTurbidityAssessment of new data and information shows it is meeting WQS.
060804Intracoastal WaterwayTurbidityAssessment of new data and information shows it is meeting WQS.
060901Bayou Petite AnseTurbidityAssessment of new data and information shows it is meeting WQS.
060902Bayou Carlin (Delcambre Canal)—Lake Peigneur to Bayou Petite Anse (Estuarine)TurbidityAssessment of new data and information shows it is meeting WQS.
060903Bayou TigreTurbidityAssessment of new data and information shows it is meeting WQS.
060904Vermilion River B890 Basin New Iberia Southern Drainage CanalTurbidityAssessment of new data and information shows it is meeting WQS.
060906Intracoastal WaterwayTurbidityAssessment of new data and information shows it is meeting WQS.
060909Lake PeigneurTurbidityAssessment of new data and information shows it is meeting WQS.
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061102Intracoastal WaterwayTurbidityAssessment of new data and information shows it is meeting WQS.

EPA requested the public to provide to EPA any significant data or information that may impact the determination that 54 TMDLs are not necessary in 65 FR 79100 (December 18, 2000). No comments were received.

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Dated: March 1, 2001.

Sam Becker,

Acting Director, Water Quality Protection Division, Region 6.

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[FR Doc. 01-8277 Filed 4-4-01; 8:45 am]

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