Fontenelle Reservoir

Fontenelle Reservoir is a reservoir located in southwest Wyoming.

The Fontenelle Dam is located on the Green River convert|24|mi|km southeast of La Barge, Wyoming. A zoned earthfill structure, the dam is convert|139|ft|m high with a crest length of convert|5421|ft|m, and a volume of convert|5265000|cuyd|m3 of material. The spillway consists of an uncontrolled crest, open chute, and stilling basin with a design capacity of convert|20200|cuft|m3 per second. Fontenelle Powerplant is located adjacent to the toe of the dam, with the power penstock branching from the river outlet works. The powerplant consists of one 10,000-kilowatt generator and one convert|16000|hp hydraulic turbine.

Construction of Fontenelle Dam commenced in June 1961 and was completed in April 1964. In September 1965, after the reservoir had filled to capacity, water passing through relief cracks in the right abutment carried away part of the downstream embankment. The reservoir was evacuated and a repair program undertaken and completed in 1967. The reservoir was refilled in the winter and spring of 1968. Construction of Fontenelle Powerplant and appurtenant facilities was started in February 1963, and completed in January 1966. Power generation commenced in May 1968.

[US Bureau of Reclamation (March, 2008). [http://www.usbr.gov/dataweb/html/seedskadee.html#general Seedskadee Project] Retrieved 2008-06-01] [http://www.usbr.gov/dataweb/html/seedskadee.html#general Seedskadee Project]

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