East Sparta, also known as East Sparta Lake, is a federal-owned recreational water resource located in Fort McCoy, Wisconsin. Constructed in 1945 by Stabb Construction under the supervision of the US Army, this earth dam structure spans 210 feet with a height of 12 feet, creating a reservoir with a storage capacity of 61 acre-feet. The primary purpose of East Sparta is for recreation, offering a tranquil setting for outdoor enthusiasts to enjoy activities such as fishing and boating.

Situated on Sparta Creek, East Sparta serves as a significant water source for the local area, providing a surface area of 4 acres and a normal storage capacity of 25 acre-feet. While the dam is categorized as having a significant hazard potential, it has not undergone recent condition assessments. Despite this, the risk assessment for East Sparta indicates a high level of risk, emphasizing the importance of proper maintenance and monitoring to ensure the safety and functionality of the structure for both water resource and climate enthusiasts who frequent the area.

Managed by the US Army, East Sparta remains a popular destination for outdoor recreation in Monroe County, Wisconsin. With its picturesque setting and diverse wildlife, this reservoir offers a unique opportunity for visitors to connect with nature while appreciating the engineering marvel of the dam itself. As climate change continues to impact water resources, the conservation and preservation of sites like East Sparta are essential in ensuring sustainable water management practices for future generations of enthusiasts to enjoy.