Located in Lucas, Iowa, the Paul Graves Dam is a private-owned structure designed by the USDA - NRCS to serve multiple purposes including grade stabilization, recreation, and water supply. Completed in 2014, this earth dam stands at a height of 28 feet and spans 306 feet in length, with a storage capacity of 34 acre-feet. Situated on the TR - White Breast Creek, the dam's primary function is to stabilize grades in the area while also providing opportunities for recreation and water supply.

With a low hazard potential and a moderate risk assessment rating, the Paul Graves Dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections and enforcement to ensure its safety. The dam features an uncontrolled spillway and outlet gates, with a surface area of 2 acres and a drainage area of 0.11 square miles. While the condition assessment is currently not rated, the dam meets guidelines for emergency action plans and risk management measures to mitigate potential risks to surrounding areas.

Overall, the Paul Graves Dam serves as a vital infrastructure for the community, offering benefits such as grade stabilization, recreational opportunities, and water supply. With its strategic location and design, this earth dam plays a crucial role in managing water resources in Clarke County, Iowa, while also ensuring the safety and well-being of nearby residents.