Lake Okabena, also known as Worthington Dam, is a gravity-type dam located in Nobles County, Minnesota. Built in 1941 by the Works Progress Administration (WPA), this dam serves primarily for recreational purposes, offering a serene retreat for water resource and climate enthusiasts. With a structural height of 12 feet and a length of 50 feet, Lake Okabena has a normal storage capacity of 8368 acre-feet, providing ample opportunities for water-based activities on its 785-acre surface area.

Managed by the Minnesota Department of Natural Resources, Lake Okabena is regulated, permitted, inspected, and enforced to ensure its safety and functionality. The dam has a low hazard potential and is currently assessed to be in fair condition, with the last assessment conducted in July 2010. Despite its low hazard potential, the risk assessment for Lake Okabena is classified as very high, emphasizing the importance of ongoing risk management measures to safeguard the surrounding community and environment. With its picturesque setting and recreational offerings, Lake Okabena remains a cherished destination for those seeking to connect with nature and enjoy the beauty of Minnesota's water resources.