Higdon Dam, located in Davis City, Iowa, is a privately-owned structure designed by the NRCS and completed in 2001. This earth dam serves multiple purposes, including fire protection and creating a small fish pond, with a capacity of 49 acre-feet for storage. The dam, standing at a height of 33 feet and a length of 441 feet, is built on soil foundation and regulates the flow of TR- South Elk Creek.

Despite being categorized as having a low hazard potential, Higdon Dam is subject to state regulation, inspection, and enforcement by the Iowa DNR. The dam's condition is currently not rated, but it is considered to have a moderate risk level. While it does not have outlet gates or locks, the spillway type is uncontrolled with a width of 1 foot, and the dam is equipped to handle a maximum discharge of 0 cfs.

Water resource and climate enthusiasts interested in Higdon Dam will find it to be a fascinating structure that plays a crucial role in water management and conservation efforts in Decatur County, Iowa. With its strategic location and design, the dam not only provides essential services for fire protection and stock, but also contributes to the local ecosystem by creating a habitat for small fish. Its compliance with state regulations and regular inspections ensure the safety and effectiveness of the dam in managing water resources for the surrounding area.