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You are here: Home / Water Quality / Total Maximum Daily Load Program / North Bosque River: Implementing a TMDL to Protect General Uses

North Bosque River: Implementing a TMDL to Protect General Uses

A project to improve water quality by developing and implementing TMDLs. The TMDLs are adopted and the I-Plan is approved; together, they provide the road map to improved water quality.
photo of
Photograph courtesy of the
Texas Institute for Applied
Environmental Research


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Counties:
Bosque, Erath, Hamilton, and McLennan
Parameter: soluble reactive phosphorus
River Basin: Brazos River
Segments: 1226, 1255

Background and Goals

The North Bosque River and Waco Lake, formed by an impoundment of Bosque River, serve as the primary drinking water supplies for more than 200,000 people in the Waco area. Water quality testing found high levels of nutrients in the North Bosque that have contributed to excessive growth of algae and other aquatic plants in the river. This TMDL project addresses the elevated levels of phosphorus (the limiting nutrient in the watershed).

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Status and Activities

The following documents are available in PDF.

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Adopted TMDLs

The commission adopted these TMDLs on February 9, 2001.

The EPA approved these TMDLs on December 13, 2001, at which time they became part of the state's Water Quality Management Plan.

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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 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). The 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 about opportunities to comment on revisions to them.

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Implementation Plan

The commission approved the implementation plan on December 13, 2002. The Texas State Soil and Water Conservation Board approved it on January 16, 2003.

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Public Participation

A committee called the Bosque River Stakeholder Advisory Group was established to advise the TCEQ on this project. The last planned meeting of the Advisory Group was in August 2002. The group may be reconvened if needed.

Records of the group's membership and meetings are provided below.

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Reports

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For More Information

Please e-mail us at tmdl@tceq.texas.gov and reference "North Bosque River" in the subject line. Or call us at 512-239-6682.

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