Lagunita, located in Windsor, California, is a privately-owned earth dam that serves as a crucial water supply for irrigation and domestic needs. Completed in 1954, this dam stands at a height of 49 feet and has a storage capacity of 133 acre-feet. With a Hazard Potential rating of "High," the dam has been deemed to be in satisfactory condition following a recent assessment in September 2017.

Managed by the Natural Resources Conservation Service, Lagunita plays a significant role in water resource management in Sonoma County. The dam spans over the Tr Windsor Creek and covers a surface area of 8 acres with a drainage area of 0.23 square miles. Despite its remote location, Lagunita is subject to regular inspections, with the last one conducted in September 2020, ensuring its structural integrity and safety standards are upheld.

As climate change continues to impact water resources and infrastructure, the necessity of maintaining and enhancing structures like Lagunita becomes increasingly important. With state regulation, permitting, and inspection processes in place, Lagunita stands as a vital asset in the region's water supply system, highlighting the collaborative efforts of private owners, state agencies, and federal designers in safeguarding water resources for future generations.