Morris S. Jones, located in Pasadena, California, is a local government-owned earth dam completed in 1952 primarily for water supply purposes. Standing at a height of 49 feet and with a hydraulic height of 45.9 feet, this dam has a storage capacity of 153.3 acre-feet and covers a surface area of 6.3 acres. Despite its age, the dam is in satisfactory condition and is regulated, inspected, and enforced by the California Department of Water Resources (DWR) under the Safety of Dams program.

With a high hazard potential, Morris S. Jones is subject to regular inspections, with the most recent conducted in March 2021. The dam is equipped with emergency action plans and is under the jurisdiction of the state, ensuring that necessary measures are in place to mitigate potential risks. In the event of an emergency, the dam's condition assessment and maintenance history play a crucial role in ensuring public safety and water resource sustainability in the region. Water resource and climate enthusiasts can appreciate the importance of structures like Morris S. Jones in managing and safeguarding vital water supplies in California.