TIMELINE EVENT
Both governments approve Minute 334
What happened
The IBWC archive records approval by the United States and Mexican governments on September 8, 2026. Approval follows the September 2 signing.
- Event date
Related claims 1
- VerifiedMinute 334 establishes U.S.–Mexico Colorado River cooperative measures through December 31, 2028.
Minute 334 establishes U.S.–Mexico Colorado River cooperative measures through December 31, 2028.
Sources 3
- Primary source · Government recordIBWC, Minutes archive
Minute 334 entry: signing and both government approval dates.
- Primary source · Government recordIBWC, official Minute 334
PDF p. 1: signing date and term. This is a scanned official document. The cited provision was verified visually in the official copy.
- Primary source · Public statementReclamation, September 9 U.S.–Mexico agreement announcement
Additional official announcement and bundled material: https://www.ibwc.gov/wp-content/uploads/2026/09/US-and-Mexico-announce-Colorado-River-cooperative-agreement.pdf
Related articles 1
- ExplainerArizona Is Losing Colorado River Water. Is Yuma?
Arizona’s conditional 760,000-acre-foot share does not establish a uniform 27% cut to Yuma. Here is what the official records say about local priorities, planning and the decisions still unresolved.
Organizations 1
- International Boundary and Water Commission
Binational commission whose Minute 334 records Colorado River cooperative measures through December 31, 2028.
Related topics 1
- Colorado River Water & Yuma
What federal Colorado River reductions mean for Yuma-area water holders, with evidence on priorities, planning, conservation and unresolved delivery decisions.