SNOFLO



LAKE KEOMAH DAM

RESERVOIR LEVELS
Soil Dam Tr-South Skunk River
April 2, 2025


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Lake Keomah Dam, located in Mahaska, Iowa, is a state-owned structure with a primary purpose of recreation. Built in 1935 by the Iowa Conservation Commission, this earth dam stands at a height of 42 feet and stretches 1100 feet in length across the TR-South Skunk River. With a normal storage capacity of 802 acre-feet and a maximum storage of 1710 acre-feet, the dam plays a crucial role in providing water resource management and recreational opportunities for the local community.

The dam, classified as having a significant hazard potential but in satisfactory condition, is regulated and inspected by the Iowa Department of Natural Resources. With a spillway width of 60 feet and uncontrolled spillway type, Lake Keomah Dam is designed to handle potential flood events. The risk assessment for the dam is moderate, indicating the need for ongoing monitoring and risk management measures to ensure its continued safety and functionality. As a key feature in the region's water infrastructure, the dam serves as a reminder of the importance of sustainable water resource management in the face of changing climate patterns.

As a popular destination for outdoor enthusiasts and climate advocates, Lake Keomah Dam offers not only recreational opportunities but also a glimpse into the intersection of water resource management and environmental stewardship. With its rich history and role in supporting the local ecosystem, the dam stands as a testament to the ongoing efforts to balance the needs of human development with the preservation of natural resources in the face of a changing climate.

Year_Completed 1935
Dam_Height 42
River_Or_Stream TR-SOUTH SKUNK RIVER
Dam_Length 1100
Primary_Dam_Type Earth
Surface_Area 82
Drainage_Area 3.1
Nid_Storage 1710
Hazard_Potential Significant
Foundations Soil
Nid_Height 42
       



       

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