This incredible video from LiveCopter 3 shows the waterfall-like flow down the eroded Oroville Dam Spillway. See how full the lake is and how much water is coming in and out of Lake Oroville here: https://goo.gl/ayN8yg | KCRA 3

Water started flowing over an emergency spillway at the nation's tallest dam, on Lake Oroville, for the first time Saturday after erosion damaged the Northern California dam's main spillway. It was the first time the emergency spillway has been used in the reservoir's nearly 50-year history. http://abcn.ws/2khb3YP | ABC News

WATCH: Oroville Dam's main spillway is releasing water as the lake hits 70% capacity | Action News Now

WATER IS FLOWING! Water flows on the rebuilt spillway today at the Oroville Dam for first time since it crumbled two years ago and drove hundreds of thousands of Northern California residents from their homes over fears of catastrophic flooding. bit.ly/2FTz5lS | KTVU Fox 2

This was the scene back in August at Lake Oroville in California. Years of extreme drought have brought water levels dangerously low. Now with the waves of moisture off the Pacific ramping up, we'll hopefully see some recovery from the drought in the coming weeks. | WeatherNation