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ENVIRONMENTAL PROTECTION AGENCY

[FRL-9491-1]

Clean Water Act Section 303(d): Availability of 28 Total Maximum Daily Loads (TMDLs) in Louisiana

AGENCY: Environmental Protection Agency (EPA).
ACTION: Notice of availability.
SUMMARY: This notice announces the availability for comment on the administrative record files and the calculations of 28 TMDLs prepared by EPA Region 6. This notice covers waters in the State of Louisiana's Lake Pontchartrain Basin that were identified as impaired on the State's Section 303(d) list. These TMDLs were completed in response to a court order in the lawsuit styledSierra Club, et al.v.Clifford, et al.,No. 96-0527, (E.D. La.).
DATES: Comments must be submitted in writing to EPA on or before December 29, 2011.
ADDRESSES: Comments on the 28 TMDLs should be sent to Diane Smith, Environmental Protection Specialist, Water Quality Protection Division, U.S. Environmental Protection Agency Region 6, 1445 Ross Ave., Dallas, TX 75202-2733 or email:smith.diane@epa.gov.For further information, contact Diane Smith at (214) 665-2145 or fax (214) 665-7373. The administrative record files for the 28 TMDLs are available for public inspection at this address as well. Documents from the administrative record files may be viewed athttp://www.epa.gov/earth1r6/6wq/npdes/tmdl/index.htm,or obtained by calling or writing Ms. Smith at the above address. Please contact Ms. Smith to schedule an inspection.
FOR FURTHER INFORMATION CONTACT: Diane Smith at (214) 665-2145.
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 EPA, styledSierra 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 proposes these 28 TMDLs pursuant to a consent decree entered in this lawsuit.

EPA Seeks Comment on 28 TMDLs

By this notice EPA is seeking comment on the following 28 TMDLs for waters located within Louisiana:

Subsegment Waterbody name Pollutant 040102 Comite River—Wilson-Clinton Hwy to entrance of White Bayou (East Baton Rouge Parish) (Scenic) Fecal Coliform. 040103 Comite River—Entrance of White Bayou to Amite River Fecal Coliform. 040201 Bayou Manchac—Headwaters to Amite River Fecal Coliform. 040302 Amite River—LA Hwy 37 to Amite River Diversion Canal Fecal Coliform. 040304 Grays Creek—Headwaters to Amite River Fecal Coliform. 040305 Colyell Creek System (includes Colyell Bay) Fecal Coliform. 040503 Natalbany River—Headwaters to Tickfaw River Fecal Coliform. 040504 Yellow Water River—Origin to Ponchatoula Creek Fecal Coliform. 040505 Ponchatoula Creek and Ponchatoula River Fecal Coliform. 040603 Selsers Creek—Origin to South Slough Fecal Coliform. 040703 Big Creek and Tributaries—Headwaters to confluence with Tangipahoia River Fecal Coliform. 040909 W-14 Main Diversion Canal—From its origin in the north end of the City of Slidell to its junction with Salt Bayou Fecal Coliform. 040910 Salt Bayou—Headwaters to Lake Pontchartrain (Estuarine) Fecal Coliform. 041302 Lake Pontchartrain Drainage Canals Fecal Coliform. 041401 New Orleans East Leveed Waterbodies (Estuarine) Fecal Coliform. 040501 Tickfaw River—From MS State Line to LA Hwy 42 (Scenic) TDS. 040504 Yellow Water River—Origin to Ponchatoula Creek TDS. 040301 Amite River—MS State Line to LA Hwy 37 (Scenic) TSS. 040401 Blind River—From Amite River Diversion Canal to mouth at Lake Maurepas (Scenic) TSS. 040903 Bayou Cane—Headwaters to U.S. Hwy 190 (Scenic) TSS. 040303 Amite River—Amite River Diversion Canal to Lake Maurepas Mercury. 040401 Blind River—From Amite River Diversion Canal to mouth at Lake Maurepas (Scenic) Mercury. 040403 Blind River—Source to confluence with Amite River Diversion Canal (Scenic) Mercury. 040501 Tickfaw River—From MS State Line to LA Hwy 42 (Scenic) Mercury 040701 Tangipahoa River—MS State Line to Interstate Hwy 1-12 (Scenic) Mercury.
040801 Tchefuncte River and Tributaries—Headwaters to confluence with Bogue Falaya River (Scenic) Mercury. 040905 Bayou Liberty—Headwaters to LA Hwy 433 Mercury. 040906 Bayou Liberty—LA Hwy 433 to confluence with Bayou Bonfouca (Estuarine) Mercury.

EPA requests the public provide to EPA any water quality related data and information that may be relevant to the calculations for the 28 TMDLs. EPA will review all data and information submitted during the public comment period and will revise the TMDLs where appropriate. EPA will then forward the TMDLs to the Louisiana Department of Environmental Quality (LDEQ). The LDEQ will incorporate the TMDLs into its current water quality management plan.

Dated: November 3, 2011. Troy Hill, Acting Director, Water Quality Protection Division, EPA Region 6.