California and the U.S.

The latest news and analysis covering water issues in Caliornia and the rest of the United States.

Oroville Dam Ready To Withstand Winter Rains As First Phase Of Repairs Is Finished, Officials Say

The Oroville Dam flood control spillway has been fixed. Eight and a half months after the gravest emergency in the dam’s history forced 188,000 residents to flee, state officials said Wednesday that Oroville’s structures have been largely rebuilt and can withstand a rainy Northern California winter. A second phase of work will be completed next […]

California Launches Overall Safety Review At Tallest US Dam

California is launching an overall safety review of the nation’s tallest dam to pinpoint any needed upgrades in the half-century-old structure, water officials said Wednesday, launching the kind of overarching review called for by an independent national panel of experts in September following the collapse of two spillways at Oroville Dam. Experts from the national Association of […]

DWR Hits Nov. 1 Target For Oroville Spillway Repair

After a massive construction effort, the main flood control spillway at Oroville Dam is up and running in time for the rainy season and on point for its Nov. 1 target for repair, officials with the California Department of Water Resources announced today. DWR set Nov. 1 as its goal for repairing and reconstructing more […]

State Water Board Releases Draft Proposed Water Waste Regulation

The State Water Resources Control Board today released its draft proposed regulation to implement permanent prohibitions against certain wasteful water use practices, as directed by Gov. Jerry Brown under executive orders B-37-16 and B-40-17. According to the State Water Board, the agency is conducting the rulemaking process under its “Waste and Unreasonable Use” authority as part of the […]

Oroville Dam: DWR Says Spillway Will Be Done By Deadline

Crews are laying the last layer of concrete on the Oroville Dam spillway with one day until the state Department of Water Resources’ deadline to have the structure ready to pass flows of 100,000 cubic-feet per second, or cfs. Over the last week, Kiewit Corp. construction workers connected the lower and upper chutes and erected […]

Rising Temperatures Sucking Water Out Of The Colorado River

A new study by the US Geological Survey finds the river’s flow has shrunk by about seven percent over the past 30 years. As air temperature rises due to increasing emissions of greenhouse gases, more water is sucked into the atmosphere from the snowpack and the river itself instead of flowing downstream. The amount that has […]