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Lake Bronson, located in Kittson County, Minnesota, serves as a vital flood risk reduction structure with a primary purpose of mitigating potential flooding in the region. Built in 1937, this gravity dam stands at a height of 36 feet and spans a length of 2000 feet, containing a storage capacity of 6000 acre-feet. The dam is regulated by the Minnesota Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure its safe operation.
Despite its crucial role in flood risk management, Lake Bronson is currently assessed as being in poor condition, with a high hazard potential due to its age and maintenance issues. The dam's emergency action plan was last revised in 2017, highlighting the need for updated risk assessment and management measures to address the very high risk associated with the structure. With a drainage area of 540 square miles and a maximum discharge capacity of 4900 cubic feet per second, the dam's controlled spillway and vertical lift outlet gates are essential for managing water levels and protecting downstream areas.
Water resource and climate enthusiasts will find Lake Bronson to be a fascinating example of infrastructure designed to safeguard communities from the impacts of flooding. As efforts continue to assess and address the dam's condition and risk potential, the importance of proactive maintenance and modernization measures becomes increasingly evident to ensure the long-term resilience and effectiveness of this critical flood control structure in Minnesota.
Year_Completed | 1937 |
Dam_Height | 36 |
River_Or_Stream | TWO RIVERS SOUTH BRANCH |
Dam_Length | 2000 |
Primary_Dam_Type | Gravity |
Surface_Area | 281 |
Drainage_Area | 540 |
Nid_Storage | 6000 |
Structural_Height | 38 |
Outlet_Gates | Vertical Lift |
Hazard_Potential | High |
Foundations | Unlisted/Unknown |
Nid_Height | 38 |