Fox Lake Diversion, located in Armstrong, Iowa, is a concrete dam completed in 1938 with a primary purpose of recreation. Managed by the Minnesota state agency MNDNR EWR, this structure on County Ditch 1 has a height of 9 feet and a storage capacity of 950 acre-feet. With a low hazard potential and satisfactory condition assessment, the dam serves as a vital resource for water management in the area.

The Fox Lake Diversion plays a crucial role in regulating water flow and providing recreational opportunities for the local community. With state oversight and regular inspections, the dam ensures the safety and functionality of the surrounding area. Despite its age, the structure continues to meet guidelines and serve as a reliable asset for water resource management in Martin County, Minnesota.

As climate change impacts water resources and availability, structures like Fox Lake Diversion become increasingly important for sustainable water management. With its recreational benefits and storage capacity, the dam serves as a valuable asset for both residents and the environment. By maintaining its infrastructure and adhering to regulatory standards, the state agency ensures the long-term viability of this essential water diversion system.