West Dam, located in Martensdale, Iowa, is a local government-owned structure with a primary purpose of serving as a fish and wildlife pond. Built in 2000 by NRCS, this earth dam stands at a height of 9 feet and stretches 375 feet in length. With a storage capacity of 346 acre-feet, the dam covers a surface area of 84.7 acres and has a drainage area of 0.45 square miles.

Managed by the Iowa DNR, West Dam is classified as a low hazard potential structure with a moderate risk rating. While it has not been rated for its condition, the dam is regularly inspected, permitted, and regulated by state authorities. Situated on the TR-Clanton Creek, this dam plays a crucial role in fire protection, stock, and small fish pond activities in the area, making it a valuable resource for water conservation and climate enthusiasts.

As part of the Kansas City District, West Dam is a vital component of the local ecosystem, providing essential habitat for fish and wildlife. Despite its uncontrolled spillway type, the dam operates within state-enforced guidelines and is equipped to handle emergencies with a preparedness plan in place. Overall, West Dam serves as a significant asset for water management and environmental preservation efforts in Warren County, Iowa.