Larry French, Texas Water Development Board

1. TWDB Groundwater Update
Larry French, P.G.
Director, Groundwater Division
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Texas Alliance of Groundwater Districts
Regular Business Meeting
Austin, Texas
January 22, 2019

2. Updates
Research activities:
–Ongoing and recently completed,
–New
Water quality monitoring
MAG Peak Factors
Groundwater monitoring changes…
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3. Research Projects (done/ongoing)
• Done (in 2018)!
– Val Verde County
– Vulnerability of Aquifers to subsidence-induced pumping
– Central Carrizo-Wilcox, Queen City, and Sparta GAM
• Almost…
– GMA 13 salinity mapping
– Hill Country Trinity Aquifer – updated conceptual model
– Blossom Aquifer GAM
• Ongoing.
– Northern Carrizo-Wilcox GAM
– Central/Southern Gulf Coast Aquifer GAM
– Northern Segment of Edwards (BFZ) Aquifer GAM
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4. Research Projects (future)
• We’re reviewing SOQs for:
– Conceptual Model for Cross Timbers Aquifer
– Update of the Southern Carrizo-Wilcox Aquifer
GAM
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5. Water Quality Monitoring
Target Aquifers in 2019
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6. MAG Peak Factor Applications
• Brazos Valley GCD - approved
• Multiple GCDs in Region H – under review
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7. Janie Hopkins, P.G.
• Retiring after nearly 30 years at TWDB
• Groundwater Monitoring Manager
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