Langlade County Flowage, also known as Section 27 Dike, is a state-owned structure located in Langlade County, Wisconsin. Built in 1974, this earth dam stands at a height of 9 feet and serves the primary purpose of flood risk reduction. With a normal storage capacity of 70 acre-feet and a maximum storage of 90 acre-feet, this flowage area covers 6 acres and has a drainage area of 1 square mile, offering essential protection against potential flooding events in the region.

Managed by the Wisconsin Department of Natural Resources (WIDNR), Langlade County Flowage is regulated, permitted, inspected, and enforced by the state agency to ensure its structural integrity and functionality. The dam's hazard potential is classified as low, with a fair condition assessment as of May 2020. Despite this, the risk assessment for the area is deemed very high, emphasizing the critical importance of ongoing monitoring and maintenance to mitigate potential risks and ensure the safety of nearby communities.

In addition to flood risk reduction, Langlade County Flowage also provides recreational opportunities for visitors and residents. With a controlled spillway and a maximum discharge capacity of 45 cubic feet per second, this structure plays a vital role in water resource management and climate resilience efforts in the region. As climate change continues to impact water resources, the proper maintenance and operation of Langlade County Flowage are essential for safeguarding the local ecosystem and community from the increasing threat of flooding events.