SNOFLO
 



JORGENSEN DAM

RESERVOIR LEVELS
Soil Dam Tr-Columbia River
April 23, 2025


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Jorgensen Dam, located in Douglas, Washington, was completed in 1946 and serves as a vital water resource for irrigation purposes in the region. The dam, primarily constructed with earth and stone materials, stands at a hydraulic height of 10 feet and a structural height of 9 feet. With a storage capacity of 120 acre-feet and a normal storage level of 30 acre-feet, the dam plays a crucial role in managing water resources for agricultural needs.

Owned privately, Jorgensen Dam is regulated by the Washington Department of Ecology and undergoes regular state inspections and enforcement to ensure its integrity and safety. Situated on the Tr-Columbia River, the dam covers a surface area of 30 acres and has a drainage area of 0.53 square miles. Despite being rated as having low hazard potential and not yet assessed for its condition, Jorgensen Dam continues to play a significant role in water management and irrigation in the region, contributing to the overall sustainability of water resources in the area.

In the heart of Congressional District 04 in Washington, the dam is overseen by Representative Dan Newhouse (R) and falls under the jurisdiction of the Seattle District of the US Army Corps of Engineers. Although specific details about the spillway type, outlet gates, and emergency action plans are not provided, Jorgensen Dam remains a key infrastructure for water resource enthusiasts and climate advocates interested in the management and conservation of water in the region.

Year_Completed 1946
River_Or_Stream Tr-Columbia River
Dam_Length 191
Primary_Dam_Type Earth
Surface_Area 30
Hydraulic_Height 10
Drainage_Area 0.53
Nid_Storage 120
Structural_Height 9
Hazard_Potential Low
Foundations Soil
Nid_Height 10
       

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