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Guadalupe, San Antonio, Mission, and Aransas Rivers and Mission, Copano, Aransas and San Antonio Bays: Stakeholder Committee and Expert Science Team

Basin and Bay Area Stakeholder Committee and Expert Science Team for the Guadalupe, San Antonio, Mission, and Aransas Rivers and Mission, Copano, Aransas, and San Antonio Bays. Meetings, links to member lists, recommendations, work plan documents, and previous meeting agendas and presentations.

Next Meeting

No meeting scheduled at this time.

Basin and Bay Area Stakeholder Committee (BBASC)

Stakeholder committees develop environmental flows recommendations for their river basin and bay system based on their associated science team's recommendations and other factors, including present and future needs of water for other uses.

The Guadalupe, San Antonio, Mission, and Aransas Rivers BBASC was appointed by the Environmental Flows Advisory Group (EFAG) on October 1, 2009.

Basin and Bay Area Expert Science Team (BBEST)

Science teams develop environmental flow analyses and a recommended environmental flow regime to support a sound ecological environment for their river basin and bay system. The science teams must consider all reasonably available science, without regard for other water use needs, and make recommendations based solely on the best science available.

The Guadalupe, San Antonio, Mission and Aransas Rivers BBEST was appointed by the BBASC on March 1, 2010.

The Texas Water Code (TWC) required Basin and Bay Area Stakeholder Committees and Expert Science Teams for specific river basin and bay systems. TWC 11.02362

Environmental Flows Recommendation Reports

BBEST Environmental Flow Regime Recommendations Report (Submitted to EFAG March 1, 2011)

BBASC Environmental Flow Regime Recommendations Report (Submitted to the EFAG September 1, 2011)

Adopted Environmental Flows Rules

On August 8, 2012, TCEQ adopted environmental flow standards for the Guadalupe, San Antonio, Mission, and Aransas Rivers and Mission, Copano, Aransas, and San Antonio Bays. For more information see the Environmental Flows Rules Web page or view the basin rules [30 TAC, 298(E)] .

*The rules the TCEQ makes available on this site as a public service are not a substitute for the official rules as approved and filed with the Office of the Secretary of State. See full disclaimer. The TCEQ assumes no legal liability or responsibility for the accuracy or completeness of any information provided on this site. Official copies of TCEQ rules may be obtained by e-mailing register@sos.state.tx.us.

Work Plan for Adaptive Management

After submitting environmental flow recommendations, the TWC 11.02362(p) requires that the BBASC, assisted by the BBEST, prepare a work plan that:

  • establishes a periodic review of the environmental flow recommendations and a schedule for continuing validation or refinement of them
  • prescribes monitoring and studies

Once complete, the work plan is submitted to the Environmental Flows Advisory Group (EFAG) for approval.

Funding Cycles and Projects

FY 2014-2015

The 83rd Texas Legislature appropriated $2,000,000 to the Texas Water Development Board (TWDB) for the continued study of environmental flows and instream flows for Texas river basins.

FY 2016-2017

The 84th Texas Legislature appropriated $2,000,000 to TWDB for the continued study of environmental flows and instream flows for Texas river basins.

FY 2018-2019

The 85th Texas Legislature appropriated $2,000,000 to the Texas Water Development Board (TWDB) to support environmental flow data collection and studies. $1,500,000 was provided for environmental flows studies in basins and bays across Texas.