Los Verjels, also known as Lake Mildred, is a privately owned water resource in Yuba, California, with a significant historical importance dating back to its completion in 1915. This multi-arch dam stands at a height of 56 feet and has a storage capacity of 1530 acre-feet, serving primarily for irrigation and water supply purposes. The dam is regulated and inspected by the California Department of Water Resources (DWR) for safety and operational compliance.

Located on Dry Creek, Los Verjels covers a surface area of 80 acres and has a drainage area of 49 square miles, making it a vital component of the local water supply infrastructure. Despite its age, the dam has been assessed to be in satisfactory condition, with a significant hazard potential that requires regular inspections and emergency preparedness measures. The dam's hazard potential and emergency action plans are crucial factors in ensuring the safety and reliability of the water resource for both the local community and the environment.

With its close oversight by state regulatory agencies and a satisfactory condition assessment, Los Verjels remains a key contributor to the water supply and irrigation needs of the region. Its historical significance, structural integrity, and operational efficiency make it a noteworthy site for water resource and climate enthusiasts interested in the intersection of engineering, conservation, and sustainable water management practices.