Located in Davis County, Iowa, the Logan Dam is a private earth dam completed in 1999 by the NRCS with a primary purpose of fire protection, stock, or small fish pond. Standing at a height of 21 feet and spanning 270 feet in length, the dam has a storage capacity of 65 acre-feet and covers a surface area of 4.2 acres. Situated on the TR- N. FK. NORTH FABIUS RIVER, the dam is regulated by the Iowa Department of Natural Resources and is designated as a low hazard potential structure.

Despite its low hazard potential, the Logan Dam plays a crucial role in providing water resources for fire protection and supporting local wildlife. With a moderate risk assessment rating, the dam is subject to state inspection, permitting, and enforcement to ensure its structural integrity and safety measures are up to standard. As a key component in the water infrastructure of the area, the Logan Dam serves as a vital resource for water enthusiasts and climate advocates alike, showcasing the importance of sustainable water management practices in the region.