Tuesday, April 18, 2017

Spillway fix

State awards $275M contract for Oroville Dam repairs

Bill Croyle, acting director of Department of Water Resources, explains the current plans to fix the Oroville spillway and the emergency spillway. RANDY PENCH / Sacramento Bee

Sacramento Bee

Sacramento Bee

Kiewit Corp., a construction giant with extensive experience in dam projects, was awarded the massive repair job Monday at the troubled Oroville Dam. The Department of Water Resources said that the Nebraska-based company beat two competitors for the job with a bid of $275.4 million. Repairs at the damaged spillway are expected to began in late May or early June.

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Central Valley sank 3 feet during historic drought

Courthouse News Service

While this past winter busted California's five-year drought, a new Stanford University study shows how the dry years did permanent damage to Central Valley aquifers. A satellite remote-sensing study shows a portion of the Central Valley sank by as much as 3 feet due to overpumping of groundwater.

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Monitoring shows Delta water a soup of pesticides

Water Deeply

At a recent UC Davis symposium on multiple stressors in the San Francisco Estuary, toxicologist Tracy Collier called for more monitoring in the Delta. "We don't know what's in the water," he said. Hydrologist James Orlando presented early results from a new U.S. Geological Survey effort to help find out.

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