New Lake Arrowhead, located in San Bernardino, California, is a vital water resource for the local community. Constructed in 1976, this earth dam stands at a height of 225 feet and has a hydraulic height of 216 feet, providing a maximum storage capacity of 1970 acre-feet. With a primary purpose of water supply, this reservoir also serves for recreational activities, covering a surface area of 31 acres and drawing water from the Little Bear Creek.

Managed by the local government and regulated by the Department of Water Resources and Safety of Dams, New Lake Arrowhead is subject to regular inspections to ensure its structural integrity. Despite being labeled as having a high hazard potential, the dam's condition was assessed as satisfactory in 2017. Emergency action plans are in place, and the last revision was conducted in December 2020, reflecting a commitment to ensuring the safety of the surrounding area in case of any unforeseen events.

For water resource and climate enthusiasts, New Lake Arrowhead presents an intriguing case study in water management and infrastructure. Its role in providing water supply while offering recreational opportunities highlights the multifaceted nature of modern dam projects. With a rich history dating back to the 1970s and ongoing efforts to maintain its safety and functionality, this reservoir stands as a testament to the importance of sustainable water resource management in the face of changing environmental conditions.