White Dam, located in Hawleyville, Iowa, is a privately owned structure designed by the USDA NRCS and regulated by the Iowa DNR. Completed in 1975, this earth dam stands at 34 feet tall and spans 500 feet in length, with a storage capacity of 65 acre-feet. Its primary purpose is for fire protection, stock, or small fish pond, serving as a vital resource for the surrounding area. The dam's hazard potential is rated as low, with a moderate risk assessment of 3.

Situated on the TR-Long Branch of the No Danny River, White Dam plays a crucial role in water resource management and climate resilience in Taylor County, Iowa. With a surface area of 4.2 acres and a drainage area of 0.34 square miles, the dam provides essential water storage and flood control benefits. While not currently rated for condition assessment, White Dam continues to fulfill its intended purposes and contribute to the local ecosystem's sustainability.

As a key component of the state's infrastructure, White Dam exemplifies the importance of effective dam management and maintenance. With its controlled spillway and low hazard potential, the dam serves as a reliable resource for fire protection and water conservation. Its moderate risk assessment underscores the need for ongoing monitoring and risk management measures to ensure the safety and longevity of this essential water infrastructure in Iowa.