The Appenzeller Dam, located in Dallas County, Iowa, was completed in 1961 by the USDA NRCS and serves multiple purposes including fire protection and as a small fish pond. This private dam stands at a height of 35 feet and has a length of 173 feet, with a storage capacity of 39 acre-feet. Situated on the TR-DES MOINES RIVER, it is regulated by the Iowa DNR and is subject to state inspection and enforcement.

With a low hazard potential and moderate risk assessment, the Appenzeller Dam is designed to withstand potential emergencies. While its condition is currently not rated, the dam is considered to meet state guidelines in terms of emergency action planning. As a key structure in the area, it plays a crucial role in water resource management and climate resilience efforts, contributing to the overall sustainability of the region's water supply and ecosystem.

Overall, the Appenzeller Dam serves as a vital component in the water infrastructure of the Saylorville Reservoir area. With its earth construction and soil foundation, this dam provides essential functions for fire protection and wildlife habitat. Climate enthusiasts and water resource professionals can appreciate the strategic design and purpose of the Appenzeller Dam in maintaining a balance between human needs and environmental conservation in the region.