Dd Sp-8, located in Butler, Kansas, is a local government-owned earth dam completed in 1992 with a primary purpose not specified. This dam on Diamond Creek-TR has a height of 20 feet and a length of 1600 feet, providing a storage capacity of 360 acre-feet. With a surface area of 7.6 acres and a drainage area of 0.7 square miles, Dd Sp-8 has a low hazard potential and a moderate risk assessment rating of 3.

Despite being designed by GENE F. BOHNENBLUST, P.E, Dd Sp-8 is not regulated or permitted by the state of Kansas. The dam, with an uncontrolled spillway type and no outlet gates, does not have a designated emergency action plan or updated contacts. With a condition assessment of "Not Rated," the dam's risk management measures and risk characterization summary remain unspecified. The surrounding area, represented by Congressman Ron Estes (R), benefits from the dam's moderate risk assessment and low hazard potential status.

Overall, Dd Sp-8 serves as a vital water resource structure in Butler, Kansas, with a focus on flood control and water storage. As a part of the Kansas City District and with no associated structures or federal funding, this earth dam stands as an essential component in managing the flow of Diamond Creek-TR. Its location, size, and risk assessment highlight the importance of monitoring and maintaining this critical infrastructure for water resource and climate enthusiasts in the region.