Carl Smith, also known as Patterson #3, is a privately owned dam located in Delta, Colorado, specifically in the city of Lazear. Completed in the year 2000, this Earth-type dam stands at a height of 52 feet with a hydraulic height of 59 feet and a structural height of 70 feet. Its primary purpose is for irrigation, serving the Leroux Creek with a storage capacity of 1104 acre-feet and a normal storage of 920 acre-feet. The dam covers a surface area of 44 acres and has a maximum discharge capacity of 2475 cubic feet per second.

Managed by the Colorado Department of Water Resources, Carl Smith has a state-regulated status with permitting, inspection, and enforcement in place. The dam's hazard potential is classified as high with a fair condition assessment as of June 2020. In case of emergencies, the dam has slide and uncontrolled outlet gates, and an Emergency Action Plan (EAP) was last revised in February 2011. Risk assessment for the dam is moderate (3), highlighting the importance of ongoing monitoring and management measures to mitigate potential risks and ensure the safety of the surrounding area.