Mchenry Canyon Db is a privately owned dam located in Wasatch, Utah, with a primary purpose of flood risk reduction. It was designed by JJ Johnson and Fred Duberow and completed in 1980. The dam is classified as an earth dam, with a hydraulic height of 36.5 feet and a structural height of 39 feet. It has a storage capacity of 7 acre-feet, with a normal storage level of 5.2 acre-feet.

The dam is regulated by the Utah Division of Water Rights and undergoes regular inspections, with the last one conducted in July 2003. It has been rated as having a significant hazard potential, although its overall condition assessment is currently listed as "Not Rated." The dam does not fall under the jurisdiction of the US Army Corps of Engineers and has not had an Emergency Action Plan prepared as of the latest data update in March 2021.

For water resource and climate enthusiasts, Mchenry Canyon Db provides a fascinating case study in private dam ownership and management for flood risk reduction. Its design features and regulatory oversight offer insights into how dams function within the broader context of water resource management in Utah. With its significant hazard potential and lack of a current condition assessment, this dam serves as a reminder of the ongoing importance of monitoring and maintaining critical infrastructure to ensure public safety and environmental protection.