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Implementation Plan and Total Maximum Daily Load for Lake O' the Pines

The TMDL and its I-Plan are the road maps for activities to improve conditions for aquatic life in the lake.

Lake O' the Pines Lake O' the Pines Lake O' the Pines

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Watershed Counties: Cass, Harrison, Marion, Morris, Upshur
Parameter: Dissolved oxygen
River Basin: Cypress Creek
Segment: 0403

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Status and Activities

TMDL Projects

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Approved I-Plan

On July 9, 2008, the Commission approved the I-Plan for Lake O’ the Pines.

Revised I-Plan

Texas Water Resources Institute (TWRI) worked closely with stakeholders to revise the original I-Plan to continue their efforts in improving water quality.

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Adopted TMDL

On April 12, 2006, the Commission adopted the TMDL for Lake O’ the Pines. The Texas State Soil and Water Conservation Board approved it on March 23, 2006. EPA approved the TMDL on June 7, 2006, at which time it became part of the state’s Water Quality Management Plan.

Updates to TMDLs

From time to time, it is necessary to revise TMDLs to account for changing conditions in the watershed, such as new or amended permits, or urban growth, or to correct oversights in the original TMDL report. Revisions to the load allocations in TMDLs are made via the state’s Water Quality Management Plan (WQMP), which is updated quarterly.

The WQMP provides projected effluent limits for use in planning and permitting activities under the Texas Pollutant Discharge Elimination System (TPDES). TCEQ reviews all applications for new and amended permits for conformance with applicable portions of the WQMP, including adopted TMDLs.

Revisions to the TMDL are documented in the approved WQMP updates listed below.

Learn more about WQMP updates and opportunities to comment on them.

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Contact the TMDL Program

Please email tmdl@tceq.texas.gov and mention Lake O’ the Pines in the subject line. Or call us at 512-239-6682.

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