Horn Creek is a privately owned irrigation dam located in Johnson County, Wyoming. Completed in 1956, this Earth core dam stands at a height of 35 feet and has a hydraulic height of 30 feet. With a storage capacity of 425 acre-feet, it primarily serves the purpose of irrigation for the surrounding area. The dam is regulated by the State of Wyoming and undergoes regular inspections to ensure its structural integrity.

Despite its low hazard potential and fair condition assessment, Horn Creek poses a moderate risk level due to its location and design. The dam has a spillway width of 85 feet and an outlet gate for controlled water release. As a part of the Omaha District, this dam on Horn Creek is crucial for water resource management in the region. With a drainage area of 0 square miles and a surface area of 23 acres, the dam plays a vital role in maintaining water supply for agricultural activities in the area.

Horn Creek dam is a key infrastructure for water management in Wyoming, specifically in the city of Arvada. As climate change continues to impact water resources, monitoring and maintenance of such dams become increasingly important. With a history of responsible ownership and regulatory oversight, Horn Creek remains a critical piece of the water supply infrastructure in the region.