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Giant tunnels that Gov. Jerry Brown wants to build to haul water across California are economically feasible only if the federal government bears a third of the nearly $16 billion cost because local water districts may not benefit as expected, according to an analysis that the state commissioned last year but never released. The findings run counter to longstanding state pledges that the districts that would get water from the tunnels would pay the full cost.

In an effort to quicken the pace of habitat restoration in California’s biggest estuary, the California Department of Water Resources (DWR) invited private companies, non-profit groups and individuals to submit proposals to create wetlands in the Sacramento-San Joaquin Delta.
Through a first-of-its-kind Request for Proposal (RFP), DWR seeks partners to help fulfill its obligations under the U.S. Endangered Species Act.

There is an ominous presence in the waters off the Pacific Northwest and it has the potential to play havoc with ocean wildlife and could interfere with your winter plans. “The Blob,” a mass of warm water floating off the coast of northern Oregon, Washington, British Columbia and Alaska, is back, writes University of Washington atmospheric science professor Cliff Mass. But, in fact, the phenomenon never really left. Formed in 2013, Mass writes that the warm pool of ocean water occurs due to sustained high pressure over the region.

Winter made an early appearance Tuesday morning when snow fell on Sonora Pass and the craggy, highest heights of east Tuolumne County.Michael Todd Jones of Sonora was driving to work in the Bishop area, heading east up Highway 108 to the top of the 9,624-foot pass, the second-highest paved route over the Sierra Nevada range. With snowflakes coming down, dusting the ground and clinging to trees in the 6 a.m. hour, Jones used his iPhone 6 to snap a couple photos and texted them to his wife, Allison Jones, who was 65 miles west, down the hill in Sonora.

When it comes to water management in California, Metropolitan Water District of Southern California is a giant. The 26 public agencies belonging to the district together deliver water to 19 million people, making it the largest distributor of drinking water in the country. About half of it is imported, part from the Colorado River system and part from the State Water Project. What does it take to run an organization that delivers 1.5 billion gallons (5.7bn liters) of water per day? And what impact has the drought had on planning?