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

May 01, 2021

A Review of Climate Change Impacts on the USA-Mexico Transboundary Santa Cruz River Basin

Abstract: In the parched Upper Santa Cruz River Basin (USCRB), a binational USA–Mexico basin, the water resources depend on rainfall-triggered infrequent flow…

April 09, 2021

Reflections: On April 4, Easter, and the Earthquake

In 2021, the Easter holiday once again fell on April 4, which happens to be my birthday. This coincidence previously happened in 1999 and 2010. For different…

February 18, 2021

The U.S.-Mexico Transboundary Aquifer Assessment Program as a Model for Transborder Groundwater Collaboration

The assessment of transboundary aquifers is essential for the development of groundwater management strategies and the sustainable use of groundwater resources.

September 18, 2020

WRRC Weekly Wave: Transboundary and International Groundwater Topics Fill Events Calendar

The Permanent Forum of Binational Waters is hosting the US-Mexico Transboundary Groundwater Conference, “Innovation and Creativity: Strategies for…

June 01, 2020

Impacts of Variable Climate and Effluent Flows on the Transboundary Santa Cruz Aquifer

Assessing groundwater resources in the arid and semiarid borderlands of the United States and Mexico represents a challenge for land and water managers,…

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,…

March 22, 2019

Weekly Wave - Binational Summit on Transboundary Groundwater includes WRRC Presenters

The Binational Summit on Transboundary Groundwater at the US-Mexico Border, which is organized by the International Boundary and Water Commission, United…

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