California just got a rare piece of unequivocally good water news. Lake Oroville, the state's second-largest reservoir, is nearly full after another solid winter, marking a striking reversal from the drought years that turned its receding shoreline into a symbol of California's water crisis. According to the Mercury News, the reservoir was at 99% capacity earlier this month, or about 122% of its historical average for mid-May. It was sitting jus…