East Twin Lake, located in Lincoln County, Minnesota, is a state-regulated body of water with a dam constructed in 2004. The dam, a buttress type structure with a height of 8 feet, serves to provide storage capacity for the lake, with a maximum capacity of 300 acre-feet. The lake covers an area of 13 acres and has a drainage area of 2.48 square miles.

With its low hazard potential and satisfactory condition assessment as of March 2017, East Twin Lake is a key component of the local water resource management infrastructure. The dam is regularly inspected by the Minnesota Department of Natural Resources, ensuring its safe operation for flood control and water storage purposes. The lake's location within the Omaha District underscores its importance in the regional water management framework.

For water resource and climate enthusiasts, East Twin Lake presents an intriguing case study in dam construction and management. Its role in regulating water flow and providing storage capacity showcases the intersection of human infrastructure with natural ecosystems. As the climate continues to change, understanding and monitoring the impact of structures like the East Twin Lake dam will be crucial in ensuring sustainable water resource management for the future.