To generate power, Cape Horn Dam and Van Arsdale Reservoir were built on the Eel River to divert water into the tunnel. However, the system could only function during high winter flows. To ensure year ...

That spring, it reached full capacity for the first time since 2006 and even sent water over the dam’s spillway for ... Northern California, causing Lake Sonoma’s water levels to jump by ...

For farmers and city dwellers in Sonoma and Mendocino ... Scott Dam, a dozen miles upstream from Cape Horn, stores water for the hydro project, in turn creating Lake Pillsbury, a popular Lake ...