East Park Wma Pond, also known as R-2 Nelson Slough, is a local government-owned water resource located in Marshall County, Minnesota. This flood risk reduction structure was completed in 1970 by the USDA NRCS and is regulated by the Minnesota Department of Natural Resources. The earth dam stands at a height of 12 feet and has a length of 72 feet, with a storage capacity of 8,600 acre-feet and a drainage area of 70 acres.

The pond serves as a controlled spillway for Judicial Ditch 19, with a maximum discharge capacity of 1,800 cubic feet per second. Despite its low hazard potential and satisfactory condition assessment, the risk assessment for East Park Wma Pond ranks it as very high. The structure is inspected every 8 years, with the last assessment conducted in September 2020. With its strategic location and crucial role in flood risk management, East Park Wma Pond is a valuable asset in safeguarding the surrounding community from potential water-related disasters.