Tuesday, March 28, 2017

Chute plan

Oroville Dam spillway shut down again as state officials work on long-term strategy; permanent repairs in doubt

State water official vows new Oroville Dam spillway by winter. CARLOS AVILA GONZALEZ / San Francisco Chronicle

SF Chronicle

Sacramento Bee

The operators of Oroville Dam acknowledged Monday they might not be able to permanently repair the dam's battered main spillway in time for the next rainy season, but said they're confident the fractured structure will be usable. Engineers expect to have this summer's repair plans largely in place by early next week for the concrete spillway.

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Nature provides flood control. Is it time to use it?

KQED San Francisco

After millions of dollars of flood damage and mass evacuations this year, California is grappling with how to update its aging flood infrastructure. That has some calling for a new approach to flood control — one that mimics nature instead of trying to contain it. It's being tried in a handful of places, including just below Oroville Dam.

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Record snow + warm temps = a dangerous combo

Los Angeles Times

As snow continued to fall on the eastern Sierra Nevada this week, platoons of earth movers, cranes and utility trucks fanned out across the Owens Valley, scrambling to empty reservoirs and clean out a lattice-work of ditches and pipelines in a frantic effort to protect the key source of Los Angeles’ water.

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