TAAP Publications

TAAP-Official Binational Report

The International Boundary and Water Commission, United States and Mexico (IBWC) have completed the Binational Study of the Transboundary San Pedro Aquifer.

Read the report

October 15, 2019

Ambos Nogales Effluent

Perennial flows in the United States of America (US) portion of the Santa Cruz River downstream from the Nogales International Wastewater Treatment Plant (…

On August 19, 2009, the Principal Engineers representing the binational International Boundary and Water Commission (IBWC) signed the "Joint Report of the Principal Engineers Regarding the Joint Cooperative Process United States-Mexico for the Transboundary Aquifer Assessment Program" (Joint Report). The Joint Report enabled scientists and government officials from the United States and Mexico to partner in assessing their shared aquifers, an effort that aligns with principles that advance sustainable groun

August 23, 2019

Weekly Wave - Reflections on the 10th Anniversary of the Transboundary Aquifer Assessment Program and the Importance of its Joint Cooperative Process

On August 19, 2009, the Principal Engineers representing the binational International Boundary and Water Commission (IBWC) signed the "Joint Report of the…

Signing Ceremony at Boundary Monument #1 in El Paso/Juarez. Principal Engineers John Merino and Luis Antonio Rascón Mendoza. August 19, 2009

August 23, 2019

Reflections on the 10th Anniversary of the Transboundary Aquifer Assessment Program and the Importance of its Joint Cooperative Process

Signing Ceremony at Boundary Monument #1 in El Paso/Juarez. Principal Engineers John Merino and Luis Antonio Rascón Mendoza. August 19, 2009 On August 19,…

September 14, 2018

Findings and lessons learned from the assessment of the Mexico-United States transboundary San Pedro and Santa Cruz aquifers:

Groundwater, the "invisible water," is difficult to assess, manage and govern for many reasons, mostly due to the unknown quantities of the resource. Political…

August 23, 2018

Groundwater Governance and Assessment in a Transboundary Setting

As groundwater reliance is increasing across the globe, including the United States-Mexico region, the complications of governing transboundary groundwater…

journal cover and title "transboudary groundwater"

May 01, 2018

The Cooperative Framework for the Transboundary Aquifer Assessment Program: A Model for Collaborative Transborder Studies

Membership on the Transboundary Aquifer Assessment Program (TAAP) team continues to be gratifying. The late 2016 publication of the Binational Study of the…

July 19, 2017

The Cooperative Framework for the Transboundary Aquifer Assessment Program

Being part of the team working on the Transboundary Aquifer Assessment Program (TAAP) continues to be gratifying. The International Boundary and Water…

November 06, 2014

Climate change and water resources management in the Upper Santa Cruz River, Arizona

Episodic streamflow events in the Upper Santa Cruz River recharge a shallow alluvial aquifer that is an essential water resource for the surrounding…

March 07, 2012

Climate Change and Population Growth Impacts on the Transboundary Santa Cruz Aquifer

The USA and Mexico have initiated comprehensive assessment of 4 of the 18 aquifers underlying their 3000 km border. Binational management of groundwater is not…

March 01, 2012

Groundwater Use and Re-use in the Transboundary Santa Cruz River Basin

The fourth edition of the World Water Development Report (WWDR4), ‘Managing Water under Uncertainty and Risk’ was recently launched at the 6th World Water…

September 23, 2011

The Importance of Institutional Asymmeries to the Development of Binational Aquifer Assessment Programs: The Arizona-Sonora Experience

Setting water policy depends fundamentally on the location of the supply and demand for water and the legal/institutional framework for water management.…

August 20, 2009