Texas Water Development Board
P.O. Box 13231
1700 N. Congress Avenue
Austin, TX 78711-3231

Telephone: (512) 463-7847
Fax: (512) 475-2053
E-Mail: info@twdb.state.tx.us

Rima Petrossian, P.G.
Manager
Phone: 512-936-2420
Fax: 512-936-0889
rima.petrossian@twdb.state.tx.us

Robert Bradley, P.G.
Groundwater Management Areas, Joint
Planning, Groundwater Conservation
District Outreach
Phone: 512-936-0870
Fax: 512-936-0889
robert.bradley@twdb.state.tx.us

David Thorkildsen, P.G.
General Groundwater Information
Phone: 512-936-0871
Fax: 512-936-0889
david.thorkildsen@twdb.state.tx.us

Peter George, Ph.D., P.G.
Aquifer Studies, Loan Reviews
Special Projects,
Phone: 512-475-2136
Fax: 512-936-0889
peter.george@twdb.state.tx.us

David Wuerch, P.G.
Aquifer Testing, Loan Reviews,
Special Projects
Phone: 512-936-2245
Fax: 512-936-0889
david.wuerch@twdb.state.tx.us

Deborah Schultz
Well and Drillers Reports
Phone: 512-463-2239
Fax: 512-936-0812
deborah.schultz@twdb.state.tx.us

Russell Pankratz
Information Technology,
Web Development, District Outreach
Phone: 512-475-2157
Fax: 512-936-0812
russell.pankratz@twdb.state.tx.us

Sarah Backhouse
Groundwater Management Areas,
Special Projects
Phone: 512-936-2387
Fax: 512-936-0889
sarah.backhouse@twdb.state.tx.us

Meredith Worthen, Ph.D.

Phone: 512-463-7475
Fax: 512-936-0816
meredith.worthen@twdb.state.tx.us

Lance Christian, P.G.
Groundwater Conservation Districts,
Management Plans
Phone: 512-463-9804
Fax: 512-936-0889
lance.christian@twdb.state.tx.us