Ecological threats loom amid rising Calif. reservoir, damaged spillway at tallest US dam

A damaged spillway that diverts overflow from a major California reservoir has authorities preparing to use a forested emergency spill route if Lake Oroville continues to rise. A salmon hatchery below the dam is currently at risk, officials say. Rising levels of Northern California’s Lake Oroville, a reservoir contained by the Oroville Dam, the largest […]