Berthoud is a significant earth dam located in Larimer, Colorado, built in 1962 for water supply purposes along the Little Thompson River. Maintained by the local government, this dam stands at a height of 18 feet, with a hydraulic height of 13 feet and a length of 2620 feet, providing a storage capacity of 835 acre-feet. Its spillway, which is uncontrolled, has a width of 224 feet, with a maximum discharge capacity of 1670 cubic feet per second.

Despite being classified as having a significant hazard potential, Berthoud's condition assessment is rated as satisfactory, with inspections conducted every two years to ensure its structural integrity. The dam's risk assessment is moderate, with emergency action plans in place but last revised in 2008. With a surface area of 61 acres and serving as a vital water resource for the region, Berthoud plays a crucial role in water management and supply in the area, highlighting the importance of monitoring and maintaining infrastructure to mitigate potential risks and ensure public safety in the face of changing climatic conditions.