Jones is a privately owned dam located in Grand County, Colorado, specifically in the city of State Bridge. Built in 1937, this earth dam stands at a height of 39 feet and serves multiple purposes including irrigation, recreation, and water supply for the surrounding area. With a capacity to store 111 acre-feet of water, Jones Dam sits on Henry Creek and covers a surface area of 6 acres.

Managed by the Colorado Department of Water Resources, Jones Dam has a spillway width of 36 feet and a maximum discharge of 729 cubic feet per second. The dam underwent modifications in 1965 to enhance its hydraulic, mechanical, and structural components. Despite being categorized as having a significant hazard potential, the dam's condition was assessed as satisfactory during the last inspection in October 2019, with an inspection frequency of every 2 years.

Jones Dam, under the jurisdiction of the State of Colorado, is a critical infrastructure for the local community and the environment. With its recreational opportunities and role in water supply, the dam is a vital asset that requires careful monitoring and maintenance to ensure its continued safety and functionality for years to come.