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Status of GBRA Water Supply Projects Region L Meeting March 19, 2009

Status of GBRA Water Supply Projects Region L Meeting March 19, 2009. Projects. Projects under Study Lower Basin Project Storage above Canyon Mid Basin Project Gonzales County Project Brazos Valley Project Alternate Supply to Coleto Creek. Lower Basin Project.

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Status of GBRA Water Supply Projects Region L Meeting March 19, 2009

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  1. Status of GBRA Water Supply ProjectsRegion L MeetingMarch 19, 2009

  2. Projects • Projects under Study • Lower Basin Project • Storage above Canyon • Mid Basin Project • Gonzales County Project • Brazos Valley Project • Alternate Supply to Coleto Creek

  3. Lower Basin Project

  4. Guadalupe-Blanco River AuthorityMid-Basin Project

  5. Mid-Basin –Gonzales Diversion – 25,000 af Maximum Diversion – 75,000af 77777

  6. Guadalupe River Diversions @ Gonzales* *Subject to Hydrologic Assumptions and Environmental Flows

  7. Project Status • GBRA has submitted an application to TECQ for Water Rights • GBRA is requesting the project be evaluated for incorporation into the 2011 Regional Water Plan • GBRA will hire a consultant to prepare the plan in accordance with Region L planning criteria • GBRA plans to submit plan to Region L in August for review

  8. Gonzales County Project

  9. Gonzales County Project • Conjunctive use project: • Provides firm water supply of 25,000 acre-ft/yr, maximizing use of renewable surface water supplies and using groundwater when surface water supplies are unavailable • Provides opportunity for aquifer recovery during wet and normal hydrologic conditions when more surface water is available

  10. Gonzales County Project San Marcos Lockhart 1-30 Luling

  11. Coverage of Regional Groundwater Models • Texas Water Development Board’s Groundwater Availability Models (2004) • Southern Carrizo-Wilcox, Queen City and Sparta (SCWQCS GAM) • Central Carrizo-Wilcox, Queen City and Sparta (CCWQCS GAM) • San Antonio System-HDR Model • South Central Carrizo System (SCCS)

  12. Project Status • GBRA is requesting the project be evaluated for incorporation into the 2011 Regional Water Plan • GBRA will hire a consultant to prepare the plan in accordance with Region L planning criteria • GBRA plans to submit plan to Region L in August for review

  13. Brazos Valley Project

  14. Project Status • GBRA is requesting the project be evaluated for incorporation into the 2011 Regional Water Plan • GBRA will hire a consultant to prepare the plan in accordance with Region L planning criteria • GBRA plans to submit plan to Region L in August for review

  15. Alternate Supply for Coleto Creek

  16. Q&A

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