Tuesday, Oct. 31, 2017

Dam near done

Oroville spillway will be done by deadline, DWR says

In 2018, DWR plans to lay structural concrete on the middle spillway chute and its walls and also fully reinforce the uppermost 730 feet. BILL HUSA / Oroville Mercury-Register


Chico Enterprise-Record

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. All that is left is to place a coating of roller-compacted concrete in the middle chute, which should provide a stronger surface. After reaching the Nov. 1 milestone, the focus will be on concrete seams, drain pipes and drain sealing.


Could simpler Delta tunnel solve years of conflict?

Water Deeply

California's ambitious plan to build two giant water tunnels under the West's largest estuary has been deemed too expensive by some of the water utilities that would have to pay for it. As a result, attention is turning back to a cheaper option: One tunnel instead of two. Ironically, it is an option the state's top water agencies rejected out of hand a decade ago.


Unprecedented push to save runoff, boost aquifer

KERO Bakersfield

In preparation for the start of construction on the main and auxiliary dams at Lake Isabella, Kern County officials have been releasing more water — slowly — over the past few weeks. Now, the scramble is on to store as much of this water as possible, after five years of drought.