Perris Hill Reservoir, located in San Bernardino, California, serves as a vital water supply source for the local community. Completed in 1962, this offstream reservoir has a dam height of 31 feet and a storage capacity of 31 acre-feet. Managed by the local government, the reservoir is regulated and inspected by the Department of Water Resources, ensuring its safety and compliance with state standards.

With a primary purpose of water supply, Perris Hill Reservoir plays a crucial role in meeting the water needs of San Bernardino and surrounding areas. Despite being classified as having a high hazard potential, the reservoir's condition is assessed as satisfactory, with the last inspection in May 2020 confirming its operational integrity. The reservoir's emergency action plan is regularly updated and meets guidelines to ensure swift response in case of any unforeseen events.

For water resource and climate enthusiasts, Perris Hill Reservoir stands as a testament to effective water management and infrastructure in California. Its strategic location, efficient design, and ongoing regulatory oversight highlight the importance of sustainable water supply systems in the face of changing climate patterns. As a key component of the local water infrastructure, Perris Hill Reservoir exemplifies the commitment to securing water resources for the community's present and future needs.