SNOFLO



POTTORFF DAM

RESERVOIR LEVELS
Soil Dam Tr- East Nodaway River
April 2, 2025


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Pottorff Dam, located in Corning, Iowa, serves multiple purposes including fire protection, stock, and small fish pond. Built in 1999, this earth dam has a height of 26 feet and a length of 326 feet, providing a storage capacity of 23 acre-feet. Situated on the Tr- East Nodaway River, this low hazard dam has a surface area of 1.6 acres and drains a 0.13 square mile area.

Managed by a private owner, Pottorff Dam is regulated by the Iowa Department of Natural Resources and is subject to state permitting, inspection, and enforcement. Despite being uncontrolled, the dam has a spillway width of 1 foot and a moderate risk level (3) according to the risk assessment. The dam has not been rated for its condition, and there is no Emergency Action Plan (EAP) currently in place.

Overall, Pottorff Dam presents an interesting case study for water resource and climate enthusiasts, showcasing the importance of dam infrastructure for various purposes in a rural setting. With its unique design and regulatory oversight, this dam serves as a critical asset for the local community while also highlighting the need for proper maintenance and risk management strategies in the face of changing environmental conditions.

Year_Completed 1999
Dam_Height 26
River_Or_Stream Tr- East Nodaway River
Dam_Length 326
Primary_Dam_Type Earth
Surface_Area 1.6
Drainage_Area 0.13
Nid_Storage 23
Hazard_Potential Low
Foundations Soil
Nid_Height 26
       



       

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