Island Lake 22 & 23 is a water resource managed by the Lyon County Highway Department in Minnesota. This dam structure, completed in 1999, is designed as a buttress type with a height of 33 feet and a length of 730 feet. It has a storage capacity of 530 acre-feet and serves the purpose of regulating Threemile Creek's flow. The dam is regulated by the Minnesota Department of Natural Resources and undergoes inspections every 8 years, with a low hazard potential rating.

Located in S22 T111N R43W, Island Lake 22 & 23 contributes to the local water management and conservation efforts in Lyon County, Minnesota. Despite its age, the dam's condition is currently not rated, and there are no emergency action plans in place. This water resource, situated near the Threemile Creek, plays a crucial role in the region's hydrological cycle and environmental sustainability. With its state-regulated status and inspection protocols, Island Lake 22 & 23 ensures the safety and reliability of its operations.

For water resource and climate enthusiasts, Island Lake 22 & 23 presents a fascinating case study in dam infrastructure management and regulatory oversight. As a locally owned structure with a significant storage capacity, this dam on Threemile Creek showcases the collaboration between the Lyon County Highway Department and the Minnesota Department of Natural Resources in ensuring the integrity of water resources. With its low hazard potential and state-regulated status, Island Lake 22 & 23 stands as a testament to responsible water management practices in the region.