Current Status
Last Updated: May 8, 2026
As of May 7, 2026, the Fontenelle Reservoir pool elevation is 6478.92 feet, which amounts to 46 percent of live storage capacity. Inflows for the month of April totaled approximately 45,915 acre-feet (af) or 54 percent of average.
Current releases are 800 cfs. This release is expected to remain constant through May.
The May final forecast for unregulated inflows into Fontenelle for the next three months projects much below average conditions. May, June, and July Most Probable inflow volumes amount to 65,000 af (37 percent of average), 165,000 af (54 percent of average), and 79,000 af (47 percent of average), respectively.
Please refer to the following link for Green River flow projections, through Green River, WY, provided by the Colorado River Basin Forecast Center: CBRFC Green River, WY Projection.
To view the most current reservoir elevation, content, inflow and release, click on: Fontenelle Reservoir Data.
Working Group Meetings
The next Fontenelle Working Group meeting is scheduled for TBD, August 2026.
Prior Fontenelle Working Group meeting minutes are available online on USBR’s website at the Working Group webpage. The Fontenelle Working Group is an open public forum for information exchange between Reclamation and other parties associated with the operation of Fontenelle Reservoir.

