Silver Lake Dam, located in Delaware County, Iowa, was completed in 1948 and serves primarily for recreation purposes. The earth dam stands at a height of 25 feet and has a length of 200 feet, creating a reservoir with a storage capacity of 415 acre-feet. The dam is regulated by the Iowa Department of Natural Resources and has a low hazard potential, with a moderate risk assessment rating.

Situated on the Maquoketa River, the Silver Lake Dam is owned by the local government and is subject to state jurisdiction, permitting, inspections, and enforcement. The dam features an uncontrolled spillway with a width of 5 feet and has not been rated for its condition assessment. Despite its moderate risk level, the dam has not had an Emergency Action Plan prepared, and no updates have been made in recent years regarding emergency contacts or inundation maps.

Overall, Silver Lake Dam provides a vital resource for recreational activities in the area, while also contributing to the management of water resources in the region. With its scenic location and importance for the local community, the dam serves as a reminder of the intersection between human development and environmental conservation, highlighting the need for continued monitoring and maintenance to ensure its safety and functionality for years to come.