Delta Pond, located in Sonoma, California, is a significant Earth dam completed in 1984 for water supply purposes. With a height of 27 feet and a hydraulic height of 24 feet, it serves multiple functions including flood risk reduction, irrigation, and water supply. The dam has a storage capacity of 1950 acre-feet and a surface area of 94 acres, making it a crucial asset for the local community.

Managed by the local government, Delta Pond is regulated by the California Department of Water Resources (DWR) for safety and enforcement. Despite its significant hazard potential, the dam is in satisfactory condition according to the last assessment in 2017. With inspection frequency of once a year, the dam has been maintained to meet regulatory standards and ensure its structural integrity.

Situated along the Tr Russian River, Delta Pond plays a vital role in the water resource management of the region. With its strategic location and purposeful design, it continues to provide essential services while mitigating risks associated with flooding and water scarcity. For water resource and climate enthusiasts, Delta Pond stands as a testament to efficient infrastructure management in the face of environmental challenges.