Lake Gregory, located in Crestline, California, is a picturesque water resource managed by the local government for multiple purposes including irrigation, recreation, and water supply. The dam, completed in 1938, is an earth structure standing at a height of 90 feet and with a storage capacity of 2100 acre-feet. The lake covers an area of 88 acres and is fed by Houston Creek, providing a vital source of water for the surrounding area.

Managed by the Department of Water Resources and regulated by the Safety of Dams agency, Lake Gregory plays a crucial role in the region's water management infrastructure. With a high hazard potential but deemed to be in satisfactory condition, the dam undergoes regular inspections to ensure its safety and reliability. In the event of an emergency, preparations are in place, and protocols are followed to mitigate risks and protect the surrounding community.

Enthusiasts of water resources and climate will appreciate Lake Gregory not only for its engineering marvel but also for its recreational opportunities and environmental significance. As a key water supply source in San Bernardino County, this reservoir serves as a vital lifeline for the region while offering a serene backdrop for outdoor activities and wildlife habitat. Visitors can enjoy boating, fishing, and hiking in this beautiful setting, all while appreciating the careful management and stewardship of this essential water resource.