Oswego Lake Dam is a private-owned structure located in Lake Oswego, Oregon, and serves multiple purposes including hydroelectric power generation and recreation. Completed in 1921, this concrete dam stands at 32 feet tall and has a structural height of 34 feet, with a storage capacity of 9,800 acre-feet. Situated on the Tualatin River offstream, it plays a significant role in managing water resources in the region.

With a maximum discharge capacity of 1,400 cubic feet per second, Oswego Lake Dam is a crucial component of the local watershed, providing flood control and water supply for various uses. Despite its age, the dam's hazard potential is rated as significant, highlighting the importance of regular inspections and maintenance to ensure its safety and effectiveness. The dam's emergency action plan status and risk management measures are currently not rated, underscoring the need for ongoing monitoring and preparedness in the face of changing climate conditions.

As a key feature in the water resource infrastructure of Clackamas County, Oregon, Oswego Lake Dam represents a blend of historical significance and modern functionality. Its role in hydroelectric power generation and recreational activities underscores the importance of balancing human needs with environmental stewardship in managing water resources. With a focus on safety, risk assessment, and emergency preparedness, the dam continues to play a vital role in the region's water management efforts amidst the challenges posed by a changing climate.