Thomas Briles, also known as Briles Reservoir, is a privately owned dam located in Modoc, California, near Goose Lake. Built in 1910, this Earth dam stands at a height of 23 feet and has a hydraulic height of 18.6 feet. With a storage capacity of 209 acre-feet and a surface area of 20 acres, Thomas Briles primarily serves as a water supply for irrigation and other purposes in the area.

Managed by the California Department of Water Resources (DWR) and regulated by the Safety of Dams agency, Thomas Briles has a high hazard potential but is currently assessed to be in satisfactory condition. The dam underwent its last inspection in October 2020, with inspections occurring at a frequency of one year. While the dam meets guidelines for emergency action plans (EAP), specific details regarding preparedness and risk assessment are not provided in the data.

Water resource and climate enthusiasts will find Thomas Briles to be an intriguing structure, given its historical significance and importance in providing water for agricultural and other uses in the region. The dam's location near Goose Lake and its association with the Tr Goose Lake stream further highlight its role in water management and conservation efforts in California. Further exploration of the dam's design, construction, and current operations can offer valuable insights into the intersection of water resource management and environmental stewardship in the area.