Maynes Grove West Dam, located in Cedar Falls, Iowa, is a local government-owned structure designed by USDA NRCS for the primary purpose of recreation. Completed in 1992, this earth dam stands at 27 feet high and spans 433 feet in length, creating a reservoir with a storage capacity of 78 acre-feet. The dam, situated on TR- Maynes Creek, is regulated by the Iowa Department of Natural Resources and is subject to state permitting, inspection, and enforcement.

Despite its low hazard potential and moderate risk assessment, Maynes Grove West Dam has not been rated for its condition. With an uncontrolled spillway type and no outlet gates, the dam has a surface area of 6.1 acres and serves a drainage area of 0.25 square miles. While there are no associated structures or locks, the dam's primary function as a recreational site attracts water resource and climate enthusiasts alike. As an integral part of the local landscape, Maynes Grove West Dam offers a peaceful retreat for visitors to enjoy the beauty of its surroundings and the opportunities for outdoor recreation it provides.