Fontenelle Dam

Current Status

Last Updated: February 8, 2021

As of February 7, 2021, the Fontenelle Reservoir pool elevation is 6477.89 feet, which amounts to 44 percent of live storage capacity. Inflows for the month of January totaled 25,000 acre-feet (af) or 82 percent of average.

Fontenelle’s releases are currently set at 825 cfs. This release is scheduled to be maintained through the Fall/Winter operation period, which typically ends in late March or early April when ice on the Green River begins to thaw.

The February final forecast for unregulated inflows into Fontenelle for the next three months projects below average conditions. February, March, and April inflow volumes amount to 22,000 af (80 percent of average), 39,000 af (74 percent of average), and 55,000 af (64 percent of average), respectively. 

The 2021 water year unregulated inflow volume is forecasted to be 659,000 af (61 percent of average) based on the February forecast.

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 22, 2021. The meeting will be held at 10:00 am at the Seedskadee National Wildlife Refuge. Depending on the COVID-19 (Coronavirus) situation we may need to change it to a virtual meeting using WebEX. The Fontenelle Working Group is an open public forum for information exchange between Reclamation and other parties associated with the operation of Fontenelle Reservoir. Meeting Minutes from the August 27, 2020 meeting are currently posted on the Working Group webpages.


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

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Last Updated: 2/8/21