Aerial photo released by the California Department of Water Resources, showing the damaged spillway with eroded hillside in Oroville
California’s historic winter ended the drought in many parts of the state and piled up record levels of snowpack in the Sierra Nevada Mountains. With so much precipitation, surface water infrastructure – our network of dams, reservoirs and levees – has been called into action like never before, and in some cases has struggled to handle the influx of flows.
With spring temperatures on the rise, snowmelt and runoff have accelerated, adding another wave of stress to the system. And with snowpack still at 192% of average, there is even more runoff on the way.
So where will all this water go?
With many reservoirs near capacity already, water managers have had to allow spring snowmelt to flow out through the Sacramento-San Joaquin Delta and into the ocean. This is inevitable given the sheer amount of water in the system this year, and in fact, these occasional high flows provide multiple benefits to ecosystems and coastal communities.
Last week, Arizona Governor Doug Ducey illustrated strong and consistent leadership in addressing Arizona’s pressing water supply needs with two significant announcements.
As populations in Colorado and the West continue to grow, water is moving from farms to cities. The current practice of “buy and dry” in Colorado – buying farmland only for its water – is bad for farmers, bad for rural communities and bad for critical ecosystems across the state.