Fleming Hill No. 2 is a significant earth dam located in Vallejo, California, with a primary purpose of water supply. Completed in 1912, this dam stands at a height of 39.25 feet and has a hydraulic height of 36.4 feet. It has a storage capacity of 33 acre-feet and spans a length of 570 feet, harnessing the waters of Tr Napa River for the local community. The dam is under state regulation and inspection, ensuring its safety and compliance with the necessary standards.

Despite its age, Fleming Hill No. 2 is in satisfactory condition according to the last assessment in September 2017. With a high hazard potential, this dam is crucial for water resource management in Solano County. It is equipped with emergency action plans and regular inspections to mitigate any risks. The dam's strategic location and historical significance make it a vital infrastructure for climate enthusiasts and water resource professionals to study and monitor for sustainable water management practices.