Located in House Lake, California, Fredonia is a private water supply dam on Tr Pine Creek with a primary purpose of providing irrigation and water supply. Built in 1914, this Earth type dam stands at a height of 27 feet and has a storage capacity of 300 acre-feet. The dam, with a length of 180 feet and a spillway type not specified, has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in September 2017.

Managed by the California Department of Water Resources (DWR) under the Safety of Dams program, Fredonia is subject to state regulations, inspections, and enforcement measures. The dam is located within the San Francisco District of the US Army Corps of Engineers, but is not directly operated by a federal agency. The surrounding area boasts a scenic surface area of 20 acres and a drainage area of 2 square miles, making it a valuable resource for water enthusiasts and climate activists alike.

With its historical significance dating back over a century, Fredonia serves as a vital water source for the local community while also contributing to irrigation needs in the region. The dam, situated amidst picturesque surroundings in Lassen County, California, stands as a testament to the importance of sustainable water resource management and the preservation of essential infrastructure in the face of changing climate conditions.