Hamilton in Glenn County, California, is a private dam primarily designed for water supply purposes, including irrigation. Constructed in 1967, this earth-type dam stands at a height of 28 feet with a hydraulic height of 24 feet, containing a storage capacity of 111 acre-feet. Situated on Tr Watson Creek, Hamilton plays a crucial role in water resource management in the region, serving as a significant asset for the surrounding communities.

Managed by the California Department of Water Resources (DWR) and regulated by the Safety of Dams agency, Hamilton is subject to state jurisdiction, permitting, inspection, and enforcement. With a fair condition assessment as of November 2019, this dam poses a significant hazard potential, requiring a thorough risk management approach to ensure the safety and integrity of the structure. John Garamendi (D) represents the area in Congress, overseeing the federal involvement through agencies like the Natural Resources Conservation Service.

As a key component of the water infrastructure in Glenn County, Hamilton's importance lies in its role in providing reliable water supply for irrigation and other purposes. With its proximity to San Francisco District and its critical location on Tr Watson Creek, Hamilton stands as a vital resource for water resource and climate enthusiasts seeking to understand the impact of dams on water management and conservation efforts in California.