Located in Hamilton, Colorado, Sedimentation Pond Hg-5 is a privately owned structure that serves multiple purposes, including flood risk reduction. This earth dam, completed in 1979, stands at a height of 32 feet and has a hydraulic height of 46 feet, with a storage capacity of 18 acre-feet. The pond covers a surface area of 1 acre and is situated along the Dowden Gulch-TR river.

Despite its low hazard potential, Sedimentation Pond Hg-5 has a high risk assessment rating due to its condition not being rated and the lack of recent inspections since 1991. The structure has not been evaluated for emergency action preparedness, and there is no documentation of risk management measures in place. With a maximum discharge capacity of 942 cubic feet per second, ensuring the structural integrity and maintenance of this sedimentation pond is crucial for effective flood risk reduction and water resource management in the area.

Water resource and climate enthusiasts interested in the management and regulation of sedimentation ponds in Colorado will find Sedimentation Pond Hg-5 to be an intriguing case study. With its unique design, location, and operational history, this structure offers insights into the challenges and considerations associated with maintaining water infrastructure in a changing climate. It serves as a reminder of the importance of regular inspections, risk assessments, and emergency preparedness measures to ensure the safety and functionality of critical water management systems.