Barrett, a gravity dam located in Barrett Junction, California, serves as a crucial water supply structure in the area. Completed in 1922, this dam stands at a height of 161 feet and has a storage capacity of 44,755 acre-feet. With a high hazard potential and a fair condition assessment as of September 2017, Barrett plays a vital role in the region's water resource management.

Managed by the local government and regulated by the California Department of Water Resources (DWR) under the Safety of Dams program, Barrett Dam ensures the safety and security of the surrounding community. The dam's primary purpose is to provide water supply, drawing from the Cottonwood Creek and covering a drainage area of 252 square miles. Despite its age, Barrett Dam continues to undergo regular inspections and enforcement measures to uphold its functionality and integrity.

With its historical significance and ongoing importance in water resource management, Barrett Dam stands as a testament to the enduring infrastructure that supports climate resilience in California. As climate enthusiasts and water resource advocates, understanding the role and maintenance of structures like Barrett Dam is crucial for ensuring sustainable water management practices in the face of changing environmental conditions.