Bolen, Anderson, Jacobs (B-A-J) is a local government-owned dam located in Grand Junction, Colorado, on Kannah Creek. Constructed in 1969, this earth-type dam stands at a height of 19 feet and has a length of 1500 feet, providing a storage capacity of 568 acre-feet. The primary purpose of the dam is water supply, with a normal storage capacity of 236 acre-feet and a surface area of 55 acres.

Managed by the Colorado Department of Water Resources, B-A-J is regulated, inspected, and enforced by state authorities. Despite being classified as low hazard potential with fair condition assessment, the dam poses a high risk due to its location and the surrounding area's vulnerability. The emergency action plan (EAP) for the dam was last revised in January 2015, with inspection frequency set at every 6 years.

Overall, Bolen, Anderson, Jacobs serves as a vital water resource infrastructure in Mesa County, Colorado, ensuring water supply for the local community. While it has a relatively low hazard potential, the dam's high-risk assessment underscores the importance of continued monitoring and maintenance to ensure the safety and reliability of this essential water source in the region.