The latest in a series of winter storms moving through the Sacramento area Friday is filling Northern California rivers and reservoirs, but storage remains in the region’s dams including at Folsom and at Oroville, where state water officials began releasing water earlier this week.
Folsom Dam on the American River was at 48% of capacity, or 469,201 acre-feet, monitors at the California Department of Water Resources reported about 9 a.m. Thursday. At an elevation of about 413 feet, the reservoir is at 103% of its historical average, water managers said.
On the Feather River, Oroville Dam stood at 83% of capacity at 2.85 million acre-feet at an elevation of 861 feet, or 137% of its historical average. Department of Water Resources officials opened Oroville Dam’s main spillway Monday morning for the first time in 2025, setting releases at 35,000 cubic feet per second after weekend storms raised water levels…