Johnson is a privately owned dam located in Brighton, Colorado, along the Brantner Gulch. Built in 1927, this Earth-type dam is primarily used for irrigation purposes, with a height of 12 feet and a length of 309 feet. The dam has a storage capacity of 52 acre-feet and a normal storage of 40 acre-feet, serving as a crucial water resource in the area.

Despite its low hazard potential, Johnson has been rated as unsatisfactory in its condition assessment, with the last inspection conducted in September 2013. The dam poses a high risk, requiring attention to risk management measures to ensure the safety and integrity of the structure. While it is regulated by the Colorado Department of Water Resources and falls under state jurisdiction, the dam has not undergone any modifications in recent years.

Water resource and climate enthusiasts interested in the preservation and maintenance of dams like Johnson will find this data intriguing. As a key irrigation infrastructure in Adams County, Colorado, Johnson highlights the importance of regular inspection and risk assessment to safeguard water resources and ensure public safety. The dam's historical significance and its role in water management make it a focal point for ongoing monitoring and management efforts in the region.