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[Federal Register Volume 77, Number 60 (Wednesday, March 28, 2012)]
[Notices]
[Page 18809]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2012-7442]

[[Page 18809]]

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ENVIRONMENTAL PROTECTION AGENCY

[FRL-9653-4]

Clean Water Act Section 303(d): Proposed Withdrawal of Nine Total 
Maximum Daily Loads (TMDLs)

AGENCY: Environmental Protection Agency (EPA).

ACTION: Notice of proposed withdrawal of nine TMDLs.

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SUBJECT: The EPA hereby issues notice of the proposed withdrawal of 
nine final Total Maximum Daily Loads (TMDLs) for Chloride, Sulfate, and 
Total Dissolved Solids (TDS) for the Bayou de L'Outre Watershed in 
Arkansas. The EPA proposes to withdraw the Bayou de L'Outre TMDLs due 
to the discovery of inconsistencies in the values used to derive the 
flow and load duration curves, resulting in the calculation of TMDLs 
which do not accurately reflect the loading capacity of the segments. 
Any future withdrawal action will not affect seven final TMDLs 
published under the same Federal Register notice (see 76 FR 52947) 
which pertain to segments 08040203-010, 08040204-006, and 08040206-015, 
-016, -716, -816, -916.

DATES: Comments on the proposed withdrawal action must be submitted in 
writing to the EPA on or before April 27, 2012.

ADDRESSES: Comments on the proposed withdrawal action of the Bayou de 
L'Outre TMDLs should be sent to Diane Smith, Environmental Protection 
Specialist, Water Quality Protection Division, U.S. Environmental 
Protection Agency Region 6, 1445 Ross Avenue Dallas, TX 75202-2733, or 
emailed to [email protected]. The administrative record files for the 
nine TMDLs are available for public inspection at the previously listed 
address. Please contact Diane Smith (via mail, email, or by calling 
(214) 665-2145) to schedule an inspection or to obtain copies of 
relevant supporting documents. Documents from the administrative record 
files may also be viewed at http://www.epa.gov/region6/water/npdes/tmdl/index.htm.

SUPPLEMENTARY INFORMATION: The TMDLs were developed under EPA Contract 
Number 68-C-02-108. The Federal Register notice of availability, 
seeking public comments on the draft TMDLs, was published on December 
17, 2007 (see 72 FR 71409). Public comments were received by January 
16, 2008, and a response to each comment was provided. The Federal 
Register notice of availability for the final TMDLs was published on 
August 24, 2011 (see 76 FR 52947). The nine pollutant pairs for Bayou 
de L'Outre subject to the proposed withdrawal are as follows.

------------------------------------------------------------------------
       Segment (reach)           Waterbody name           Pollutant
------------------------------------------------------------------------
08040202-006................  Bayou de L'Outre....  Chloride, Sulfate,
                                                     TDS.
08040202-007................  Bayou de L'Outre....  Chloride, Sulfate,
                                                     TDS.
08040202-008................  Bayou de L'Outre....  Chloride, Sulfate,
                                                     TDS.
------------------------------------------------------------------------

    The 2008 Arkansas Clean Water Act (CWA) Section 303(d) list of 
impaired waters is the current EPA approved list, and includes the 
three Bayou de L'Outre segments addressed by this action. Any future 
withdrawal action of the aforementioned TMDLs will not affect the 
listing of those segments.

FOR FURTHER INFORMATION CONTACT: Diane Smith, Environmental Protection 
Specialist, Water Quality Protection Division, U.S. EPA Region 6, 1445 
Ross Avenue, Dallas, TX 75202-2733, (214) 665-2145.

    Dated: March 21, 2012.
William K. Honker,
Acting Director, Water Quality Protection Division, EPA Region 6.
[FR Doc. 2012-7442 Filed 3-27-12; 8:45 am]
BILLING CODE 6560-50-P
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