Lake Hemet, located in Riverside County, California, is a gravity dam constructed in 1895 primarily for water supply purposes, serving irrigation and water supply needs in the region. With a height of 135 feet and a storage capacity of 14,000 acre-feet, the dam stands as a vital infrastructure for managing water resources in the area. The dam is regulated and inspected by the California Department of Water Resources for safety and compliance, ensuring its satisfactory condition for continued operation.

The dam impounds the waters of the Tr San Jacinto River, creating a reservoir with a surface area of 470 acres and a drainage area of 65.8 square miles. Despite its high hazard potential, the dam has been assessed as satisfactory, with an emergency action plan in place to address any potential risks. The surrounding area of Valle Vista benefits from the reservoir's water supply, demonstrating the crucial role Lake Hemet plays in supporting both agricultural and domestic water needs in the region.

With its long history of providing water resources to the community, Lake Hemet stands as a symbol of sustainable water management in California. The dam's strategic location and efficient operation underscore its importance in securing water supply for the area, while its compliance with state regulations and regular inspections ensure the safety and reliability of this critical infrastructure. For water resource and climate enthusiasts, Lake Hemet serves as a fascinating example of how man-made structures can play a pivotal role in shaping the hydrological landscape and supporting environmental sustainability.