Porcupine Dam

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Porcupine Dam (National ID # UT00251) is a dam in East Canyon in Cache County, Utah, United States.[1]

The earthen dam was constructed in 1964 by the Porcupine Reservoir Company, with a height of 165 feet (50 m) and a length of 665 feet (203 m) at its crest.[2] It impounds the water of the East Fork of the Little Bear River, primarily for irrigation.

The reservoir it creates, Porcupine Reservoir, has a water surface of 190 acres (77 ha), a shoreline of about 4.2 miles (6.8 km), and a maximum capacity of 12,500 acre feet (15,400,000 m3), with an elevation of 5,381 feet (1,640 m).[3] The lake is popular for fishing, boating, and camping, although there are no recreational facilities. Only primitive camping is available at the reservoir; most areas for camping are located below the dam in the canyon.


  1. ^ U.S. Geological Survey Geographic Names Information System: Porcupine Dam
  2. ^ "Porcupine Dam, northcentral Utah". findlakes.com. Retrieved 8 Jul 2016. 
  3. ^ "Porcupine Reservoir" (PDF). deq.utah.gov. Utah Department of Environmental Quality. Aug 2006. Retrieved 8 Jul 2016. 

Coordinates: 41°31′09″N 111°44′47″W / 41.51904°N 111.74625°W / 41.51904; -111.74625