Sims Dam, located in Lucas County, Iowa, was completed in 1988 by the USDA NRCS and is primarily used for fire protection, stock, or as a small fish pond. This earth dam stands at a height of 36 feet and has a length of 220 feet, with a storage capacity of 25 acre-feet. Situated on TR- Whites Creek, the dam is regulated by the Iowa DNR and is subject to state permitting, inspection, and enforcement.

With a low hazard potential and a moderate risk assessment rating, Sims Dam serves as a crucial resource for water management in the area. Despite not having a current condition assessment, the dam is in operation and meets the guidelines for emergency action plans. While the dam does not have an inundation map prepared, it is equipped with an uncontrolled spillway and is under the jurisdiction of the Kansas City District of the USACE.

As a vital infrastructure for water resource management in the region, Sims Dam provides essential services for fire protection and agricultural needs. With its strategic location on TR- Whites Creek, this earth dam continues to play a key role in water conservation efforts, supported by the oversight of the Iowa DNR and the USDA NRCS.