Beaver Lake Dam, located in Dallas County, Iowa, is a state-owned structure designed by Butts Engineering that serves primarily for recreational purposes. The dam, completed in 1990, stands at 43 feet tall and spans 666 feet in length, with a storage capacity of 696 acre-feet. The dam is situated on the TR-Bear Creek and is regulated by the Iowa Department of Natural Resources.

Despite its significant hazard potential, Beaver Lake Dam maintains a satisfactory condition assessment as of May 2016. The dam's spillway, which is uncontrolled and 4 feet wide, helps manage water levels and prevent overflows during periods of high discharge. The risk assessment for the dam is moderate, with a risk level of 3, indicating the need for ongoing monitoring and risk management measures.

Beaver Lake Dam, with its picturesque surroundings and recreational opportunities, serves as a vital water resource for the local community. Its strategic location in Van Meter, Iowa, makes it a popular destination for water resource and climate enthusiasts seeking to explore the beauty and functionality of this earth-type dam.