West Lake Dam in Mahaska County, Iowa, stands as a testament to engineering excellence, with its construction completed in 1989 by McClure Engineering. Serving a primary purpose of recreation, this private dam is regulated by the Iowa Department of Natural Resources and boasts a height of 32 feet and a length of 665 feet. The dam provides a storage capacity of 496 acre-feet, with a normal storage level of 214 acre-feet and a surface area of 25.8 acres.

Situated on Tr-Muchakinock Creek, West Lake Dam is designated as a significant hazard potential structure, yet it maintains a satisfactory condition assessment as of June 2017. With its uncontrolled spillway type and moderate risk assessment rating, the dam is subject to inspections every five years to ensure its safety and functionality. The dam's location in Mahaska County, Iowa, near the city of Beacon, offers water resource and climate enthusiasts a unique opportunity to appreciate the intersection of human infrastructure and natural landscapes.

As enthusiasts explore the West Lake Dam site, they can marvel at the dam's earth construction and soil foundation, designed to enhance the recreational experience while ensuring the safety of surrounding communities. With its close proximity to Rock Island District and under the jurisdiction of the Iowa DNR, West Lake Dam is a vital part of the local water management system. By understanding the dam's design, purpose, and regulatory oversight, enthusiasts can gain a deeper appreciation for the intricate balance between human needs and environmental stewardship in maintaining water resources in Mahaska County.