Current Status
Last Updated: December 4, 2025
As of December 03, 2025, the Fontenelle Reservoir pool elevation is 6486.95 feet, which amounts to 59 percent of live storage capacity. Inflows for the month of November totaled approximately 37,097 acre-feet (af) or 89 percent of average.
Current releases are 800 cfs. This release is expected to remain constant throughout the winter base flow period, pending significant hydrologic changes or emergencies. The winter base flow is typically from mid-November to mid-March, pending icing conditions on the Green River downstream of the dam this coming spring.
The December final forecast for unregulated inflows into Fontenelle for the next three months projects below average conditions. December, January, and February Most Probable inflow volumes amount to 28,000 af (88 percent of average), 23,000 af (76 percent of average), and 21,000 af (74 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 April 2026 in Green River, WY. Details on the meeting will be provided as we get closer to the meeting date.
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.
