Fresno Dam construction was completed in 1939 as an irrigation storage facility under the greater Milk River Project. Fresno was authorized under the National Industrial Recovery Act and was approved by President Franklin D. Roosevelt in August 1935, pursuant to the acts of June 25, 1910, and December 5, 1924. In addition to providing irrigation water to the Milk River Project, Fresno Dam provides incidental benefits for flood control and recreation.
Fresno Dam, located on the Milk River 14 miles west of Havre, Montana, is a compacted earthfill dam with a structural height of 110 feet and a crest length of 2,070 feet. It contains 2,105,000 cubic yards of material. An overflow-type spillway at the north end of the dam provides for a maximum flow of 51,360 cubic feet per second through the concrete-lined channel. The outlet works discharge a maximum of 2,500 cubic feet per second through two 72-inch conduits. Total conservation storage of 91,746 acre-feet is impounded in Fresno Reservoir.
Reclamation initiated a Safety of Dams Corrective Action Study in April 2017 in response to the identification by the Reclamation Dam Safety Program of dam failure risks above Reclamation’s Public Protection Guidelines. Historical settlement of the Fresno Dam foundation and the lack of current state of the practice dam filter and seepage collection system are driving these concerns. In addition, to ensure risks are as low as reasonably practicable, an incidental effort to add spillway joint state-of-the-art defensive measures was added to the dam safety project. Interim measures including increased visual inspections and stockpiling of filter materials at the dam have been implemented. There are currently no operational restrictions at Fresno Dam.
Fishing Access to Close as Construction Begins
Construction Contracted Awarded to NW Construction
Fresno safety of dams modification public meetings
30-day public comment period begins for Fresno dam safety modification’s environmental assessment
Reclamation to conduct safety investigations for proposed modifications at Fresno dam
Reclamation to conduct investigations at Fresno dam
Construction on Fresno Safety of Dams Project to Start in 2023 – Hi-Line Today
Click Here for the Fresno Safety of Dams Project Photo Gallery.
Safety of Dams Modification
Fresno Reservoir Allocation Allowances
Fresno Safety of Dam Photo Gallery
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