Fontenelle Dam

Current Status

Last Updated: March 6, 2023

As of March 5, 2023, the Fontenelle Reservoir pool elevation is 6475.61 feet, which amounts to 41 percent of live storage capacity. Inflows for the month of February totaled approximately 27,760 acre-feet (af) or 97 percent of average.

Winter release has been set at 950 cfs to meet spring elevation targets and are forecasted to remain at this level through winter, subject to hydrology. The winter release is planned to be maintained until March or April when the ice along the Green River begins to melt.

The March final forecast for unregulated inflows into Fontenelle for the next three months projects below average conditions. March, April, and May Most Probable inflow volumes amount to 45,000 af (79 percent of average), 70,000 af (83 percent of average), and 125,000 af (71 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 27, 2023 at 10:00 a.m. at Green River, WY, tentatively. The Fontenelle Working Group is an open public forum for information exchange between Reclamation and other parties associated with the operation of Fontenelle Reservoir. Past meeting minutes are posted on the Working Group webpage.


Please contact the Operations Group via e-mail at for additional information.

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Last Updated: 3/6/23