ProgramsCalifornia TodayCalifornia’s Lake Oroville Now at 100 Percent Capacity Following Years of Intense DroughtByNTD Newsroom|Published: 6/15/2023, 1:00:18 AM EDT10100:00/0:00California’s lakes are getting replenished. The second largest reservoir, Oroville, is at 100 percent capacity, or 127 percent of the historical average.