Stony Gorge Dam (National ID # CA10194) is a dam in

Glenn County, California Glenn County is a county located in the U.S. state of California. As of the 2020 census, the population was 28,917. The county seat is Willows. It is located in the Sacramento Valley, in the northern part of the California Central Valley. ...

. The concrete buttress dam was constructed between and by the

United States Bureau of Reclamation The Bureau of Reclamation, formerly the United States Reclamation Service, is a federal agency under the U.S. Department of the Interior, which oversees water resource management, specifically as it applies to the oversight and operatio ...

, with a height of and long at its crest. Structurally it is a relatively early example of an Ambursen-type dam, using contraction joints between all face slabs and buttresses for stability. It impounds

Stony Creek Stony Creek may refer to the following waterways or communities: Waterways Australia * Stony Creek, a tributary of the Allyn River, in the Hunter region of New South Wales * Stony Creek, a tributary of the Brogo River, in the South Coast region ...

for irrigation storage and flood control. Hydroelectric power is also produced. Along with the East Park Dam about upstream, it is part of the Orland Project in the Sacramento valley, one of the Bureau of Reclamation's first generation of water projects. The dam is owned by the Bureau and is operated by the local Orland Unit Water Users` Association. The reservoir it creates, Stony Gorge Reservoir, has a water surface of , a shoreline of about , and a maximum capacity of . Recreation includes camping, boating, and fishing (for largemouth bass, smallmouth bass, bluegill, crappie, and catfish). The

California Office of Environmental Health Hazard Assessment The Office of Environmental Health Hazard Assessment, commonly referred to as OEHHA (pronounced oh-EEE-ha), is a specialized department within the cabinet-level California Environmental Protection Agency (CalEPA) with responsibility for evaluati ...

(OEHHA) has developed a safe eating advisory for fish caught in the Stony Gorge Dam based on levels of mercury or

PCBs Polychlorinated biphenyls (PCBs) are organochlorine compounds with the formula C12 H10−''x'' Cl''x''; they were once widely used in the manufacture of carbonless copy paper, as heat transfer fluids, and as dielectric and coolant fluids f ...

found in local species.

References

{{authority control Dams in California Reservoirs in Glenn County, California United States Bureau of Reclamation dams Dams completed in 1928 Energy infrastructure completed in 1928 Buildings and structures in Glenn County, California Hydroelectric power plants in California Dams in the Sacramento River basin Reservoirs in California 1928 establishments in California Reservoirs in Northern California

See also

References