Roberts, also known as Lower Roberts Reservoir, is a privately owned dam located in Lookout, California. Built in 1905, this earth-type dam stands at 17 feet tall and spans 700 feet in length. With a storage capacity of 5500 acre-feet and a surface area of 640 acres, Roberts primarily serves the purpose of flood risk reduction, irrigation, and water supply for the surrounding area along the Pit River.

Managed by the Natural Resources Conservation Service, Roberts has a high hazard potential but is currently in satisfactory condition according to a 2017 assessment. The dam is regulated by the California Department of Water Resources (DWR) under the Safety of Dams program, ensuring regular inspections, permitting, and enforcement to maintain its structural integrity and safety standards. The dam has a drainage area of 23.2 square miles and is situated in Modoc County, providing crucial water resource management for the region.

With its strategic location and vital role in water management, Roberts dam plays a significant part in mitigating flood risks and providing essential water resources to the community. As a key infrastructure asset in the area, it is closely monitored and maintained to uphold safety standards and ensure the continued protection of the surrounding environment and residents. For water resource and climate enthusiasts, Roberts represents a fascinating example of the intersection between human engineering and natural resource management in California.