Collaboration in Binational Research and Engagement on Shared Aquifers
Photo: Santa Cruz River
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TAAP-A/S (Transboundary Aquifer Assessment Program-Arizona/Sonora) is a federally funded program co-hosted by the USGS Arizona Water Science Center in Tucson, Arizona, and the Water Resources Research Center (WRRC) at the University of Arizona. The program originates from U.S. Public Law 109-448, signed by the President on December 22, 2006 as the Transboundary Aquifer Assessment Act.
The Act applies to the states of Texas, New Mexico, and Arizona, where four transboundary aquifers have been designated for priority assessment; those being the Hueco Bolson and Mesilla Basin aquifers in the greater El Paso / Ciudad Juárez region, and the Santa Cruz and San Pedro aquifers across the Arizona – Sonora border (see map). TAAP-A/S is designated to operate for 10 years, with $50 million authorized for appropriation over that time period.
Transboundary aquifer reconnaissance work, characterization of selected border communities, stakeholder engagement, collaborative efforts identified through the TAAP Cooperative Framework.
Development of water balance modeling tools to characterize the effects of system changes, particularly related climate uncertainties and changes in groundwater demand.
Participation in binational technical working meetings, publication of journal articles and reports, presentations at regional, national, and international conferences, organization of forums and seminars for improving knowledge on transboundary aquifers.
TAAP News and Events
Transboundary Aquifer Assessment Book Published
A new book, Advances in Transboundary Aquifer Assessment, edited by WRRC Director Sharon B. Megdal and Anne-Marie Matherne of the US Geological Survey, reprints the Special Issue of the same title that was published previously online in the open-access journal Water. Around the globe, groundwater is an increasingly important resource.
The views and conclusions contained on this page are those of the authors and should not be interpreted as representing the opinions or policies of the U.S. Geological Survey. Mention of trade names or commercial products does not constitute their endorsement by the U.S. Geological Survey.