Bureau of Reclamation Banner, Upper Colorado Region
Fontenelle Dam







Inflows to Fontenelle Reservoir for the month of June were approximately 427,000 acre-feet (AF), or 143 percent of average. The reservoir elevation is 6506.7 feet, 102 percent of live capacity.

The July final forecast April-July inflow volume is 1,050,000 acre-feet (145% of average). Inflows for the next three months are projected to be above average: with July, August September forecasted inflow volumes at 250,000 AF (141% of average), 80,000 AF (105% of average), and 59,000 AF (129% of average), respectively. 


Fontenelle Reservoir releases are currently at 2,400 cfs total release.  Fontenelle Reservoir began spilling on on Sunday, July 20, 2014. Total release from Fontenelle Dam is expected to gradually increase and range between 2,200 cfs to 2,600 cfs depending upon observed inflows. Addition information regarding increased Fontenelle Dam bypass releases will be shared when available.

Base flow releases are provisionally scheduled at 1,300 cfs and will likely begin sometime in August.

To view the most current reservoir elevation, content, inflow and release, click on: Fontenelle Reservoir Data.


The next Fontenelle Working Group meeting is scheduled for August 20, 2014, at 10:00 am at the Joint Powers Water Board in Green River, Wyoming. The Fontenelle Working Group is an open public forum for information exchange between Reclamation and other parties associated with the operation of Fontenelle Reservoir. The spring Fontenelle Working Group meeting was held on April 23, 2014 at Seedskadee National Wildlife Refuge in Green River, Wyoming.  Minutes from the meeting are currently being drafted and will be posted on the Working Group webpages

Updated July 29, 2014
Heather Patno

Email comments/inquires to: ResourceMgr@usbr.gov