Logan Dam, located in Davis County, Iowa, is a privately-owned structure designed by the USDA NRCS and completed in 1998. The dam serves multiple purposes including fire protection, stock watering, and creating a small fish pond. With a height of 31 feet and a length of 415 feet, Logan Dam has a storage capacity of 55 acre-feet and covers a surface area of 4.1 acres.

The dam is regulated by the Iowa Department of Natural Resources and is considered to have a low hazard potential. Despite not being rated for its condition, Logan Dam is inspected, permitted, and enforced by state agencies. The structure is situated on TR- Carter Creek and is managed by the State of Missouri, under the jurisdiction of the Kansas City District office of the US Army Corps of Engineers.

Water resource and climate enthusiasts will appreciate the role of Logan Dam in providing essential water resources for fire protection and agricultural purposes in the region. The earth dam, constructed with a stone core and soil foundation, not only supports the local ecosystem but also contributes to the overall water management efforts in the area. With its moderate risk assessment rating and state-regulated status, Logan Dam stands as a reliable and efficient infrastructure for water storage and conservation in Iowa.