Metcalf is a privately owned dam located in Napa, California, specifically in Pope Valley. Completed in 1974, this Earth-type dam stands at 34 feet in height and stretches 1350 feet in length, with a storage capacity of 1045 acre-feet. Its primary purpose is water supply for irrigation and other uses, with a drainage area of 0.69 square miles and a spillway type and width unspecified. The dam is regulated, permitted, inspected, and enforced by the California Department of Water Resources (DWR) under the Safety of Dams program, ensuring its safety and compliance with state regulations.

With a high hazard potential but a satisfactory condition assessment as of September 2017, Metcalf has undergone regular inspections and is subject to an Emergency Action Plan (EAP). The dam's last inspection took place in July 2020, with a frequency of once per year. The surrounding area is at risk of inundation in case of a breach, highlighting the importance of proper risk management measures and emergency preparedness. Despite its age, Metcalf remains a critical water resource infrastructure in the region, providing essential water supply services while adhering to stringent state regulations to ensure public safety and environmental protection in the face of changing climate conditions.