Elwood Dam, located in Bluffton, Iowa, was completed in 1967 and serves multiple purposes including fire protection and as a stock or small fish pond. The dam, designed by USDA NRCS, is primarily owned by a private entity but is regulated by the Iowa DNR, ensuring that it meets state permitting, inspection, and enforcement requirements. With a height of 28 feet and a length of 376 feet, Elwood Dam has a storage capacity of 127 acre-feet and covers a surface area of 9.7 acres.

Despite its low hazard potential, Elwood Dam is considered to have a moderate risk level, indicating the need for continued monitoring and management. The dam's spillway type is uncontrolled, and it sits on a soil foundation with no hydraulic height or structural height specified. The dam's condition assessment is currently listed as "Not Rated," indicating the need for further evaluation. While the dam has not been modified in recent years, it is important for water resource and climate enthusiasts to stay informed about its risk level and potential impact on the surrounding area.