Fontenelle Dam Wyoming Water Update

Current Status

Last Updated: January 8, 2020

As of January 7, 2020, the Fontenelle Reservoir pool elevation is 6485.81 feet, which amounts to 58 percent of live storage capacity. Inflows for the month of December totaled 36,283 acre-feet (af) or 113 percent of average. Releases remain at 1050 cfs.

The January final forecast for unregulated inflows into Fontenelle for the next three months projects near average conditions.  January, February, and March inflow volumes amount to 32,000 af (106 percent of average), 30,000 af (108 percent of average), and 48,000 af (91 percent of average), respectively.

The January water supply forecast of the April through July inflow volume into the Fontenelle Reservoir is 570,000 acre-feet (79 percent of average). Current snowpack is 105 percent of median for the Upper Green Basin.