SNOFLO
 



FOLKERTS DAM

RESERVOIR LEVELS
Soil Dam Tr-Big Sioux River
April 21, 2025


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Folkerts Dam, located in Lyon County, Iowa, serves multiple purposes including fire protection, stock, and small fish pond, as well as irrigation. Built in 1989 by the Soil Conservation Service (SCS), this earth dam stands at a height of 35 feet and stretches 180 feet in length, with a storage capacity of 49 acre-feet. Situated along the TR-Big Sioux River, Folkerts Dam plays a crucial role in water resource management in the region.

Managed by private owners, Folkerts Dam is regulated by the Iowa Department of Natural Resources (DNR) and undergoes regular state inspections and enforcement. With a low hazard potential and moderate risk assessment, this dam serves as a vital infrastructure for water storage and flood control in the area. Despite its uncontrolled spillway type, Folkerts Dam continues to be a significant asset for the community, ensuring water availability for various purposes while also supporting the local ecosystem.

With its strategic location and efficient design, Folkerts Dam exemplifies the harmonious balance between human needs and environmental conservation. As climate change continues to impact water resources, the importance of structures like Folkerts Dam in ensuring water security and sustainability cannot be overstated. Climate enthusiasts and water resource experts alike can appreciate the role that Folkerts Dam plays in safeguarding water availability and promoting resilience in the face of changing climatic conditions.

Year_Completed 1989
Dam_Height 35
River_Or_Stream TR-BIG SIOUX RIVER
Dam_Length 180
Primary_Dam_Type Earth
Surface_Area 2.9
Drainage_Area 0.29
Nid_Storage 49
Hazard_Potential Low
Foundations Soil
Nid_Height 35
       

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