Hattemer Dam, located in Oskaloosa, Kansas, is a private structure designed by Kramer and Company in collaboration with the USDA NRCS. This earth dam, with a height of 18 feet and a hydraulic height of 19 feet, serves multiple purposes including fire protection, stock, and small fish pond management. The dam has a storage capacity of 54.4 acre-feet, with a normal storage level of 15.5 acre-feet and a surface area of 3.6 acres.

Situated on the Burr Oak Branch river, Hattemer Dam has a low hazard potential and has not been rated for its condition as of the last inspection in October 1995. Despite not being state regulated or inspected, the dam plays a crucial role in water resource management in the area. With a maximum discharge capacity of 788 cubic feet per second and a spillway width of 52 feet, the dam serves as a vital infrastructure for the surrounding community in ensuring water security and emergency preparedness.

Although the dam may not be under state jurisdiction, its strategic location and purpose highlight its importance in fire protection, livestock management, and ecological conservation. With its historical significance and functional design, Hattemer Dam stands as a testament to sustainable water resource management and climate resilience efforts in the region.