Fontenelle

Snake River Fly Fishing Guides
Upper Green River
May 9, 2016
Snake River Fly Fishing Guides
Snake River
May 10, 2016
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Fontenelle

Fontenelle Reservoir is currently at elevation 6483.8 ft (54% full) and releases are approximately 950 cfs. The current rate of inflow is roughly 3,000 cubic feet per second (cfs) and will continue increasing with recent precipitation.

 Due to recent storm activity, the forecasted April-July inflow volume has increased substantially since early May, and it is anticipated that the official forecast issued in mid-May will be higher. Fontenelle shall be operated to accommodate the current increase in precipitation.

 Therefore, beginning Wedneday, May 11, 2016, at 8:00 a.m., releases from Fontenelle will be increased to 1,700 cfs according to the following schedule:                              

                                                                                   

Date

Time

MST

Initial Release

(cfs)

 

 

Change

(cfs)

 

Final Release

(cfs)

5/11/2016

0800

950

+100

1050

5/11/2016

1600

2000

+100

1150

5/12/2016

0800

2200

 

 

+100

 

1250

5/12/2016

1600

2400

 

 

+100

 

1350

5/13/2016

0800

2600

 

 

+150

 

1500

5/13/2016

1600

2800

 

 

+200

 

1700


After the final change at 4:00 p.m. on Friday, May 13, 2016, releases will remain 1,700 cfs until further notice.   All times identified are local time (Mountain Standard Time) and not hour ending.

Releases will likely vary throughout May and June in response to observed hydrology. Due to the early spring runoff, it is anticipated that releases will be reduced beginning in July, and will likely reach baseflow levels in early August.  This is subject to change as additional information becomes available. 

Thank you,

Heather E. Patno

Hydraulic Engineer

Upper Colorado Region

Bureau of Reclamation

Telephone: (801) 524-3883

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