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JENKS LAKE - DAM

RESERVOIR LEVELS
March 23, 2025


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Jenks Lake - Dam is a historic earth dam located in San Bernardino, California, completed in 1875 with a primary purpose of serving as a Fish and Wildlife Pond. Owned by the USDA Forest Service, this dam stands at a height of 30 feet and a length of 150 feet, with a spillway width of 2 feet. The dam is classified as having a high hazard potential, with a moderate risk assessment rating.

Despite its age, Jenks Lake - Dam has not been recently assessed for its condition and does not have a current condition rating. The dam has uncontrolled spillways and outlet gates, indicating potential risks in the event of a flood or emergency. While the risk assessment for the dam is moderate, there is a need for updated emergency action plans and risk management measures to address any potential hazards and ensure the safety of the surrounding area.

Enthusiasts of water resources and climate may find Jenks Lake - Dam an intriguing site due to its historical significance and the need for continued monitoring and maintenance to uphold its safety standards. As a Federal-owned structure, the dam plays a vital role in supporting fish and wildlife habitats in the region. However, with its high hazard potential, there is a call for increased attention to assessing and addressing any risks associated with the dam to ensure the protection of the surrounding community and environment.

Year_Completed 1875
Dam_Height 30
Dam_Length 150
Primary_Dam_Type Earth
Structural_Height 30
Outlet_Gates Uncontrolled
Hazard_Potential High
Foundations Rock, Soil
Nid_Height 30
       

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