Moorhead Lagoon, located in Georgetown, Minnesota, is a gravity dam with a height of 9 feet and a length of 38 feet. Completed in 1950, this structure serves as a vital water resource in Clay County, with a storage capacity of 50 acre-feet and a drainage area of 26 square miles. Despite its low hazard potential, the dam has been deemed to have a very high risk assessment rating due to its critical role in managing water flow along the Red River-TR.

Managed by the Minnesota Department of Natural Resources, Moorhead Lagoon undergoes regular inspections to ensure its structural integrity and operational efficiency. With a satisfactory condition assessment as of May 2009, the dam plays a crucial role in flood control and water management in the region. The presence of controlled spillways and a maximum discharge capacity of 300 cubic feet per second further highlight its importance in mitigating potential risks and safeguarding the surrounding communities from flooding events.

Overall, Moorhead Lagoon stands as a vital piece of infrastructure in the water resource management system of Clay County, Minnesota. With its strategic location along the Red River-TR and its capacity to store and regulate water flow, this gravity dam plays a key role in maintaining the ecological balance of the region while minimizing the risks associated with potential flooding. As climate change continues to impact the frequency and intensity of extreme weather events, the importance of structures like Moorhead Lagoon in ensuring the safety and well-being of local communities cannot be overstated.