Interior issues Colorado River decision framework and 2027–2028 guidelines

The Arizona 760,000-acre-foot share is conditional on the required implementing agreements.

The federal 2027–2028 guidelines set an annual Lower Basin reduction of 1.25 million acre-feet.

The guidelines specify 700,000 acre-feet of additional voluntary conservation in total across 2026–2028.

Supports the announcement date, aggregate reduction and conditional state allocation. The announcement should be read together with the final operating guidelines, which provide the operative details for the conservation period.

§3 printed p. 2; §5.3.A printed p. 7/PDF p. 8; §5.3.B printed p. 8/PDF p. 9; §5.9 printed p. 15.

Opening decision-framework discussion. Official decision index: https://www.usbr.gov/ColoradoRiverBasin/post2026/

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.

Federal agency publishing Colorado River operating guidelines, entitlement lists, project descriptions and water-accounting records.

Federal department issuing the August 21, 2026 Colorado River operating decision.

What federal Colorado River reductions mean for Yuma-area water holders, with evidence on priorities, planning, conservation and unresolved delivery decisions.