Transboundary Aquifer Assessment Program (TAAP)

U.S. Geological Survey

San Pedro and Santa Cruz Aquifers

James Callegary, Ph.D.
Arizona Water Science Center
(520) 670-6671 ext 294
jcallega@usgs.gov

Mesilla Conejos-Medanos Aquifer

Anne-Marie Matherne, Ph.D.
New Mexico Water Science Center
(505) 830-7971
matherne@usgs.gov

Andrew Robertson
New Mexico Water Science Center
(505) 830-7975
ajrobert@usgs.gov

Hueco Bolson Aquifer

​Andrew Teeple
Texas Water Science Center
(512) 927-3560
apteeple@usgs.gov

International Boundary and Water Commission

​Gilbert Anaya
United States Section
(915) 832-4702
gilbert.anaya@ibwc.gov

University of Arizona Water Resources Research Center

San Pedro and Santa Cruz Aquifers

Sharon B. Megdal, Ph.D.
(520) 621-9591
smegdal@email.arizona.edu

New Mexico Water Resources Research Institute

Mesilla Conejos-Medanos Aquifer

Sam Fernald, Ph.D.
(575) 646-4337
afernald@ad.nmsu.edu

Texas Water Resources Institute

Hueco Bolson Aquifer

Rosario Sanchez, Ph. D.
(979) 314-2928
rosario@tamu.edu