Looks like it will hold up for now. I think I would have done my report on higher ground and not below it, haha.
The Spillway is new....and fine.
The emergency spillway..will probably never be used.
IF it is needed...it will be much more able... ie better... to take an emergency.
Problems arise when there are imperfections in the surface. These can cause pressure and flow fluctuations. These can literally hammer away at the concrete and cause it to chip away and fail.
So, as long as Cali allocates enough budget to maintain the structure...but you know, they've got all these bullet trains to fund, sidewalks, street cleanup, illegals to provide medical and legal services to...