Olson Dam, located in Cerro Gordo County, Iowa, is a private recreational Earth dam completed in 1972 on Ideal Creek. With a height of 21 feet and a length of 350 feet, the dam provides a storage capacity of 80 acre-feet and covers a surface area of 5 acres. The dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections, enforcement, and permitting to ensure its safety and compliance with state regulations.
The primary purpose of Olson Dam is for recreation, offering opportunities for boating, fishing, and wildlife viewing in the Portland area. Despite its low hazard potential, the dam is considered to have a moderate risk level due to its age and lack of recent condition assessments. While the dam does not have outlet gates or spillway controls, its uncontrolled spillway type indicates a reliance on natural overflow mechanisms in the event of high water levels.
Located in a picturesque natural setting, Olson Dam serves as a popular destination for water resource and climate enthusiasts to enjoy outdoor activities and appreciate the importance of proper dam maintenance and risk management. With its moderate risk level and state-regulated status, the dam highlights the ongoing efforts to balance recreational opportunities with safety and environmental considerations in the management of water resources.
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