Hurlburt Dam, located in St. Joseph, Iowa, is a private earth dam built in 1975 by the USDA NRCS. With a height of 24 feet and a length of 200 feet, the dam serves multiple purposes including fire protection, stock, and a small fish pond. It has a storage capacity of 53 acre-feet and covers a surface area of 3.6 acres, with a drainage area of 0.28 square miles along the TR-Purcell Creek.

Managed by the Iowa DNR, Hurlburt Dam is regulated and inspected by the state to ensure its safety and functionality. With a low hazard potential and a moderate risk assessment rating, the dam provides essential water resources for the surrounding area while also offering recreational opportunities for the community. Despite not being rated for its condition, the dam continues to serve its primary purposes effectively while being monitored for any necessary maintenance or upgrades in the future.