Asti is a privately owned dam located in Sonoma County, California, near the city of Healdsburg. Built in 1955, this Earth-type dam serves primarily for water supply purposes, specifically irrigation and water supply. With a height of 34 feet and a length of 900 feet, Asti has a storage capacity of 325 acre-feet and covers a surface area of 14 acres. It is regulated by the California Department of Water Resources (DWR) under the Safety of Dams program, ensuring regular inspections and enforcement to maintain its satisfactory condition.

Situated on the Tr Russian River, Asti plays a crucial role in managing water resources in the region, serving as a vital source of water for agricultural and domestic use. Despite its low hazard potential and satisfactory condition assessment as of September 2017, the dam undergoes frequent inspections every year to ensure its continued safety and functionality. The San Francisco District of the US Army Corps of Engineers is not involved in the ownership, funding, design, construction, or operation of Asti.

Asti's location and design by the Natural Resources Conservation Service reflect its importance in the water infrastructure of Sonoma County. With its regulated status, the dam contributes to the sustainable management of water resources in the area, highlighting the importance of maintaining and monitoring critical infrastructure in the face of changing climate conditions. As a key component of the water supply system, Asti underscores the intersection of water resource management and climate resilience in California's diverse and dynamic landscape.