Henry J. Mills Reservoir is a vital water resource located in Riverside, California, completed in 1979 with a capacity of 83 acre-feet. This offstream reservoir primarily serves as a water supply for the region, crucial for sustaining local communities and ecosystems. Managed by a public utility, the dam stands at a height of 23 feet and has a hydraulic height of 19.3 feet, ensuring a steady water supply for the area.

The reservoir is under the jurisdiction of the California Department of Water Resources (DWR) and is regulated for safety by the Safety of Dams agency. Despite its high hazard potential, the dam has been assessed as satisfactory and is regularly inspected to maintain its structural integrity. With a solid condition assessment in place, emergency action plans are prepared to address any potential risks, ensuring the safety and security of the surrounding area in case of emergencies. The reservoir's location, design, and purpose make it a key player in water resource management in the region.

Overall, Henry J. Mills Reservoir stands as a critical infrastructure for water supply in Riverside, California, demonstrating proper regulatory oversight and safety measures. As a significant component of the local water management system, the reservoir plays a crucial role in ensuring water security for the community. With its strategic location and design, the reservoir serves as a testament to effective water resource management and climate resilience efforts in the region.