Semke Dam, located in Greene, Iowa, is a privately owned structure completed in 1998 by the NRCS. With a primary purpose of providing fire protection and serving as a small fish pond, this earth dam stands at a height of 46 feet and spans a length of 138 feet. The dam has a storage capacity of 45 acre-feet and covers a surface area of 2.3 acres, serving the surrounding area for stock and fire protection needs.

Managed by the Iowa Department of Natural Resources, Semke Dam is regulated, inspected, and enforced by state agencies to ensure its safety and compliance with regulations. The dam poses a low hazard potential and currently holds a moderate risk rating. While the condition assessment is not rated, the dam meets guidelines for emergency action preparedness, although specific emergency contacts and inundation maps are yet to be updated. With its location on TR- Buttrick Creek, Semke Dam plays a crucial role in water resource management in the region and provides valuable support for local ecosystems and agriculture.

Overall, Semke Dam is a vital water resource structure in Greene County, Iowa, contributing to fire protection, stock needs, and small fish pond functions. With its low hazard potential and moderate risk rating, the dam is a key feature in the region's water management infrastructure. As climate change impacts water resources, the proper maintenance and regulation of Semke Dam by state agencies are essential to ensure its continued effectiveness and safety for the surrounding community.