Havana Street Dam, also known as Havana Street Lake, is a federally-owned structure located in Commerce City, Colorado. Completed in 1975, this earth dam serves the primary purpose of flood risk reduction along the South Platte River. With a height of 14 feet and a length of 1400 feet, the dam has a storage capacity of 397 acre-feet and a normal storage level of 145 acre-feet, covering a surface area of 45 acres.

The dam's spillway is uncontrolled with a width of 58 feet, and it has a low hazard potential with a satisfactory condition assessment as of June 2012. The risk assessment for Havana Street Dam is moderate, with a designated emergency action plan, although the last revision date was in October 2018. The dam is under state regulation, permitting, inspection, and enforcement, ensuring its continued safety and functionality for flood risk reduction in the area.

With its strategic location and vital role in managing flood risks along the South Platte River, Havana Street Dam stands as a key infrastructure in safeguarding the local community and environment from potential water-related disasters. Enthusiasts of water resources and climate will find interest in the dam's design, operation, and risk management measures, highlighting the importance of such structures in maintaining water security and resilience in the face of changing climatic conditions.