Green Valley Lake, a privately owned dam in Solano, California, serves as a vital water supply infrastructure for the region. Completed in 1956, this earth dam stands at a height of 40 feet and has a storage capacity of 150 acre-feet. Situated on the Dug Road Gulch, the dam supports irrigation and water supply purposes, contributing to the sustainable management of water resources in the area.

Managed by the California Department of Water Resources and subject to state regulations, Green Valley Lake has undergone regular inspections to ensure its structural integrity. Despite its high hazard potential, the dam's condition was assessed as satisfactory in September 2017. With a drainage area of 0.73 square miles and a surface area of 11 acres, the dam plays a crucial role in flood control and water storage, highlighting its importance in the local ecosystem and community.

Located in Greenville, Green Valley Lake is monitored for any potential risks and has emergency action plans in place to address any unforeseen incidents. With its significant contribution to water supply and its strategic position in the region, this dam stands as a symbol of effective water resource management and climate resilience efforts in Solano County, California.