October 8, 2025
Mr. Ciscomani (for himself and Ms. Stansbury) introduced the following bill; which was referred to the Committee on Natural Resources
To amend the United States-Mexico Transboundary Aquifer Assessment Act to reauthorize the United States-Mexico transboundary aquifer assessment program.
Section 1. Short title
This Act may be cited as the Transboundary Aquifer Assessment Program Act
or the TAAP Act
.
Sec. 2. Reauthorization of Transboundary Aquifer Assessment Program
(a) Designation of priority transboundary aquifers
Section 4(c)(2) of the United States-Mexico Transboundary Aquifer Assessment Act (42 U.S.C. 1962 note; Public Law 109–448) is amended by striking New Mexico or Texas
and inserting New Mexico, Texas, or Arizona (other than an aquifer underlying Arizona and Sonora, Mexico, that is partially within the Yuma groundwater basin designated by the order of the Director of the Arizona Department of Water Resources dated June 21, 1984)
.
(b) Authorization of appropriations
Section 8(a) of the United States-Mexico Transboundary Aquifer Assessment Act (42 U.S.C. 1962 note; Public Law 109–448) is amended by striking $50,000,000 for the period of fiscal years 2007 through 2016
and inserting $1,500,000 for each of fiscal years 2026 through 2033
.
(c) Sunset of authority
Section 9 of the United States-Mexico Transboundary Aquifer Assessment Act (42 U.S.C. 1962 note; Public Law 109–448) is amended by striking enactment of this Act
and inserting enactment of the Transboundary Aquifer Assessment Program Act
.