Lake Oroville is a reservoir formed by the Oroville Dam impounding the Feather River, located in Butte County, northern California. The lake is situated 5 miles northeast of the city of Oroville, with
Aerial view from the west of Lake Oroville, the Oroville Dam, Thermalito Forebay and Thermalito Afterbay, and vicinity
In May 2021, water levels of Lake Oroville dropped significantly, exposing much of the lake's banks as shown in this photograph, as California headed into another drought year. The Edward Hyatt hydroelectric power plant at Oroville Dam was forced to shut down due to low water levels later in the summer.
Lake Oroville events timeline
Bidwell Bar Suspension Bridge
In early February 2017, Oroville Dam's main and emergency spillways both sustained damage during a period of sustained outflow from Lake Oroville, leading to the evacuation of areas downstream. Severe
Lake Oroville
…January 2016. The year 2017 has made up for the five-year drought by having above-average precipitation. The excess of water created a new danger – see 2017 Oroville Dam crisis. In 2021, another drought affected California which resulted in the lake level falling to 35% of its capacity in July. In August, the Hyatt hydroelectric…
View of Oroville Dam's main spillway (center) and emergency spillway (top), February 11, 2017. The large gully to the right of the main spillway was caused by water flowing through its broken and damaged concrete surface.
The Oroville dam before the crisis, with main spillway center and overflow spillway immediately to the left, above vegetation
Partial view of the emergency spillway (left) and the concrete structure containing the gates for the main service spillway (right)