Hauser Dam, Hydroelectric gravity dam in Lewis and Clark County, Montana.
The Hauser Dam extends 223 meters across the Missouri River, generating power through six turbines while creating a 2,416-hectare reservoir northeast of Helena.
The first steel dam constructed in 1907 failed catastrophically in 1908, leading to a complete reconstruction project that concluded with the current structure in 1911.
The dam bears the name of Samuel Thomas Hauser, a territorial governor of Montana who led the Missouri River Power Company during the initial construction.
The reservoir maintains 79,255 million liters of water capacity and functions as a run-of-the-river facility, continuously generating 19 megawatts of electrical power.
The dam's failure in 1908 created a flood wave between 7.5 and 9 meters high, yet swift emergency warnings prevented loss of life in downstream communities.
Location: Lewis and Clark County
GPS coordinates: 46.76500,-111.88600
Latest update: May 15, 2025 07:55
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