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No laz, the failure that DWR is concerned about is at the southerly end of the emergency weir.
The geology there is very “ify”
Well, we still have Fukushima.
“Department of Water Resources spokesman Kevin Dossey told the Sacramento Bee the emergency spillway was rated to handle 250,000 cubic feet per second, but it began to show weakness Sunday at a small fraction of that. Flows through the spillway peaked at 12,600 cubic feet per second at 1 a.m. Sunday and were down to 8,000 cubic feet per second by midday.”
No an engineer here, but it sounds like they now do not have the design controls that were built into the dam.