Talcot Lake, located in Cottonwood County, Minnesota, is a gravity dam constructed in 1941 by the Works Progress Administration (WPA). The dam, standing at a height of 11 feet and with a length of 538 feet, serves multiple purposes, with a primary role in water resource management. With a storage capacity of 5379 acre-feet and a surface area of 873 acres, Talcot Lake plays a crucial role in regulating water flow and providing recreational opportunities in the area.

Managed by the Minnesota Department of Natural Resources, Talcot Lake is subject to state regulation, permitting, inspection, and enforcement to ensure its safety and functionality. Despite its low hazard potential and fair condition assessment, the dam has a moderate risk level associated with it, highlighting the importance of ongoing monitoring and risk management measures. The dam is situated on the Des Moines River, within the Rock Island District, and is a significant feature in the region's water infrastructure.

Talcot Lake's location in Windom, Minnesota, and its association with the Des Moines River make it a key component of the local water resource system. With its historical significance, ample storage capacity, and state-regulated management, Talcot Lake stands as a vital structure for water supply, flood control, and ecosystem support in the area. Enthusiasts of water resources and climate management can appreciate the role that Talcot Lake plays in maintaining a balance between human needs and environmental sustainability in Cottonwood County.