brian a. smith ph.d., p.g. brian b. hunt, p.g. barton springs/edwards aquifer conservation district...

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Desalination and ASR in a Brackish Aquifer in Central Texas Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson Wildflower Center

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Page 1: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Desalination and ASR in a Brackish Aquifer in

Central TexasBrian A. Smith Ph.D., P.G.

Brian B. Hunt, P.G.Barton Springs/Edwards Aquifer Conservation

District

Kent Butler Summit April 25, 2014

Lady Bird Johnson Wildflower Center

Page 2: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Texas’ Water Problems

Page 3: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

District Management Zones

Western Edwards

Eastern Edwards

Saline Edwards

Trinity Outcrop

Buda

Austin

Kyle

WFC

Page 4: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

District Regulatory Setting

Buda

Austin

Kyle

WFC

No new historical Edwards permits-only conditional Edwards permits

Page 5: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

District Regulatory Setting

Buda

Austin

Kyle

WFC

Historical permits for Trinity Aquifers

Page 6: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

District Regulatory Setting

Buda

Austin

Kyle

WFC

Saline Edwards Aquifer can be used for extraction with limits

Page 7: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

District Regulatory Setting

Buda

Austin

Kyle

WFC

Aquifer Storage and Recovery allowed for saline Edwards and Trinity Aquifers

Page 8: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Main Street, Buda, Texas

Page 9: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Kyle

Austin

Page 10: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Q

Q

Q

Kyle

Austin

Page 11: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Q

Q

Q

G

G

Kyle

Austin

Page 12: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Q

Q

Q

G

G

L

Kyle

Austin

Page 13: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Kyle

Austin

Page 14: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Kyle

Austin

Page 15: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Kyle

Austin

Page 16: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Saline Zone of the Edwards AquiferFresh-brackish

boundary is relatively stable (Lambert et al., 2010)

Desalination- yields likely to be high (Pabalan et al., 2003).

Aquifer Storage and Recovery (ASR) generally is effective in brackish aquifers

Smith et al., in review

Page 17: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Acknowledgments1880s

1980s

R.T. Hill

Chock Raymond

Kent

Page 18: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Thank You!

Page 19: Brian A. Smith Ph.D., P.G. Brian B. Hunt, P.G. Barton Springs/Edwards Aquifer Conservation District Kent Butler Summit April 25, 2014 Lady Bird Johnson

Buda