Natalie Ballew

1. Texas Water
Development Board
Updates
TAGD Business Meeting
January 27, 2021

2. General TWDB
happenings

3. Regional Water Planning
Adopted all 16 regional water plans in January 2021
Now working on the 2022 State Water Plan (SWP)

4. TWDB Legislative Appropriations
Request, Exceptional Items: FY22-23
1. Restore state revolving fund match
2. Mitigate IT risk
3. Improve critical data analysis capabilities for the SWP
4. Funding for the Economically Distressed Areas Program
5. Fund increased costs for State Technology Services
6. Provide staff support to the Interregional Planning Council
Click here to see the full TWDB Legislative Appropriations Request for FY22-23

5. TWDB Legislative Appropriations
Request, Exceptional Items: FY22-23
Even though there’s not much in the way of groundwater in
the TWDB request, that doesn’t mean that we’re not still hard
at work with groundwater studies and modeling projects!

6. Groundwater-Related
TWDB happenings

7. Brackish Aquifer
Characterization
System (BRACS)
Click here for completed and ongoing BRACS studies

8. BRACS rules
Adopted rules related to brackish groundwater
production zones in January 2021
Will publish guidance on amending production zones
Click here to see the more info on the new rules

9. Aquifer Storage &
Recovery and Aquifer
Recharge
Click here to check out the cool website for the Statewide Suitability
Survey for Aquifer Storage & Recovery and Aquifer Recharge Projects

10. Groundwater
Availability Modeling
(GAM)

11. In-House GAMs
Blossom Aquifer
Gulf Coast Aquifer System (central and southern)
Northern Edwards (BFZ) and Trinity aquifers
Pecos Valley, Edwards-Trinity (Plateau), Hill Country portion
of the Trinity, and Edwards (BFZ) aquifers
Nacatoch

12. Contracted GAMs
Cross Timbers Aquifer conceptual model
Marathon Aquifer conceptual model
Northern Carrizo-Wilcox, Queen City, and Sparta
aquifers – Currently reviewing final deliverable
Recently released an update for the Central
Carrizo-Wilcox, Queen City, and Sparta aquifers
that includes info for the Vista Ridge wellfield
Southern Carrizo-Wilcox, Queen City, and Sparta
aquifers
Pumping study in Pecos Valley, Edwards-Trinity
(Plateau), Hill Country portion of the Trinity, and
Edwards (Balcones Fault Zone) aquifers
Study to estimate recharge and
groundwater/surface water interactions using the
Pecos Valley, Edwards-Trinity (Plateau), Hill
Country portion of the Trinity, and Edwards
(Balcones Fault Zone) aquifer
Working with USGS, Harris Galveston Subsidence
District, and Fort Bend Subsidence District on
northern Gulf Coast Aquifer System model update

13. Groundwater-Surface
Water Interaction

14. Springs Monitoring
Program
Starting to compile data for a springs database
Data to share?
Contact Heather Dodson - heather.dodson@twdb.texas.gov
Ideas or want to cooperate with us on spring sampling?
Contact Rebecca Storms - rebecca.storms@twdb.texas.gov and Cody Bjornson -
cody.bjornson@twdb.texas.gov

15. South Llano River Basin GW-SW
Interaction study with the LCRA
Looking for site access, unused wells for continuous monitoring
equipment, springs, and, potentially, sites for TexMesonet equipment
Contact Andy Weinberg - andrew.weinberg@twdb.texas.gov and
Alberto Jimenez - alberto.jimenez@twdb.texas.gov if you have any
local intel

16. TexMesonet
Want more data in your arsenal to better understand the hydrologic
cycle in your area? See if a TexMesonet site might be a good fit!
Contact TexMesonet@twdb.texas.gov to inquire

17. Natalie Ballew
Groundwater Technical Assistance
natalie.ballew@twdb.texas.gov
512-463-2779