Garns Dam, located in Dallas County, Iowa, serves multiple purposes including fire protection, stock, and small fish pond management. Built in 1994 by the USDA NRCS, this private dam stands at a height of 34 feet with a length of 250 feet, offering a storage capacity of 30 acre-feet. Situated on TR- Bulger Creek, the dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections to ensure its structural integrity.

Despite its low hazard potential, Garns Dam poses a moderate risk according to assessments. The dam's uncontrolled spillway and soil foundation are key features that contribute to its risk profile. While the dam has not been rated for its condition, it remains an important water resource for the local community. With a surface area of 2 acres and a drainage area of 0.11 square miles, Garns Dam plays a crucial role in managing water flow and providing essential services to the surrounding area.

Overall, Garns Dam is a vital infrastructure for water resource management in the region, serving as a key point of interest for water resource and climate enthusiasts. Its construction, purpose, and regulatory oversight highlight the intricate balance between human needs and environmental protection. As climate change continues to impact water resources, dams like Garns Dam will play a crucial role in adapting to and mitigating the effects of a changing climate on water availability and management.