Big Hollow Dam in Burlington, Iowa, is a significant earth dam completed in 2008 for the primary purpose of recreation. Managed by the local government, the dam stands at a height of 60 feet and has a storage capacity of 5942 acre-feet, with a surface area of 178 acres and a drainage area of 7.5 square miles. Situated on Big Hollow Creek, the dam is regulated by the Iowa Department of Natural Resources and is inspected regularly to ensure its safety and satisfactory condition.

The dam's spillway type is uncontrolled with a width of 3 feet, and it has a significant hazard potential. Despite this, the risk assessment for Big Hollow Dam is moderate, with a satisfactory condition assessment as of June 2020. The dam poses no immediate threat, but it is crucial for stakeholders and water resource enthusiasts to stay informed about its management and potential risks to ensure the continued safety and functionality of this vital water resource in Des Moines County, Iowa.