SNOFLO
 


JEPSON NO. 2

RESERVOIR LEVELS
Rock, Soil Dam Little Willow Creek
May 9, 2025


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Jepson No. 2, located in Reclusa Ranch, Wyoming, is a privately owned earth dam completed in 1953 for irrigation purposes on Little Willow Creek. With a height of 19 feet and a storage capacity of 252 acre-feet, this dam serves multiple purposes including fire protection, stock watering, and small fish pond maintenance. The dam has a fair condition assessment and a low hazard potential, with a moderate risk assessment rating.

Managed by the Wyoming State Engineer's Office and Department of Environmental Quality, Jepson No. 2 undergoes regular inspections and is regulated, permitted, and enforced by state agencies. The dam features an uncontrolled spillway with a width of 200 feet and a maximum discharge capacity of 8823 cubic feet per second. Despite its age, Jepson No. 2 remains a crucial water resource infrastructure in Johnson County, Wyoming, ensuring water supply for agricultural and livestock activities in the region.

Overall, Jepson No. 2 stands as a testament to efficient water management in Wyoming, providing essential irrigation services while maintaining a low-risk profile. With its strategic location on Little Willow Creek and its contribution to the local ecosystem, this dam plays a pivotal role in sustaining water resources and supporting the agricultural community in the area. As climate change continues to impact water availability, structures like Jepson No. 2 will be vital in ensuring water security for future generations.

Year_Completed 1953
Dam_Height 19
River_Or_Stream LITTLE WILLOW CREEK
Dam_Length 1208
Primary_Dam_Type Earth
Surface_Area 18.23
Hydraulic_Height 11
Drainage_Area 18.3
Nid_Storage 252
Structural_Height 22
Outlet_Gates Valve - 1
Hazard_Potential Low
Foundations Rock, Soil
Nid_Height 22
       

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