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I think I misunderstood the issue. Last year California was literally drying up and groundwater levels were dropping by 100s of feet each month. Then the winter storms commenced, and you know what they say: every drought is broken by a flood. Now the lake behind Oroville Dam is full. The Army Corps of Engineers have designed most Impound reservoirs with large earthen and concrete dams - sometimes one often several - depending on terrain. I assume this dam is one such dam which is functioning correctly: once the water level exceeds the top of the dam, it spills over the top into the spillway and runs off into a dry riverbed. The problem, apparently is that the water was eroding the watercourse. The worry seemed to be that the erosion would undermine the dam itself. Taking an abundance of caution the local civil authorities ordered the evacuation of citizens living downstream from the dam. If the dam burst (as Billy Crystal said in City Slickers "there's gonna be bursting?!?!") then all bets are off. It'll be a catastrophe. If not, then lake levels will be very high - probably exceeding the level of any fixed docks while floating docks might be okay. I think we all hope that the civil authorities find a quick and effective solution to the problem. If that happens then life will go on for a lot of folks. Bigger picture: there are defective dams all over the U.S. Many have outlived their usefulness and should be demolished. Problem is that most of them have been abandoned and go unmaintained. There are no funds to pay for removal so many citizens unwittingly live in the path of catastrophe.
Bruce Ross Passage ~ SR-FK ~ C25 #5032 Port Captain — Milford, CT
I'm afraid the boat isn't the issue--the town is. Apparently they have until Wed. to drop the lake level enough to do a makeshift repair to a spillway before the next storm arrives. Failing that, there's a good chance the whole thing blows and the town of Oroville (evacuated) could be like Johnstown, Tenn. And then there's Yuba City and others downstream... If boats end up in the mud above the dam, that will be forgotten compared to the devastation below it. They don't expect to be able to do the real repair until summer when they can drop the level much further.
Dave Bristle Association "Port Captain" for Mystic/Stonington CT PO of 1985 C-25 SR/FK #5032 Passage, USCG "sixpack" (expired), Now on Eastern 27 $+!nkp*+ Sarge
History Nazi here ... Dave, apologies but it was Johnstown, Pennsylvania (I grew up just outside of Philadelphia). However, in any case it was a tragic event, and hopefully the folks in California can stave off this potential disaster.
Al and Bernadette, "Pualani Nui", '82 C25 SR/SK, homeport MCB Quantico
History Nazi here ... Dave, apologies but it was Johnstown, Pennsylvania...
Brain fart--I knew that. I don't even know why I wrote Tenn. Anyway, when we mess with nature on a very large scale, we'd better be very careful! (In this case, warnings were ignored.)
Dave Bristle Association "Port Captain" for Mystic/Stonington CT PO of 1985 C-25 SR/FK #5032 Passage, USCG "sixpack" (expired), Now on Eastern 27 $+!nkp*+ Sarge
I watched the incredible efforts the water commission was mounting on bringing in giant concrete blocks by copter and monster truck, repairing the base layer of earth under the dam and drawing down the lake level. Seems as if the authorities are attempting to stabilize the situation. The oncoming rain storms are definitely bad news but I wonder what the effect of any sudden seismic activity would be? Downright biblical I'd reckon.
Bruce Ross Passage ~ SR-FK ~ C25 #5032 Port Captain — Milford, CT
Just returned from CA and Oroville is quite the conversation for locals and visitors alike, but the authorities are, IMHO, way over confident in it's ability to hold. As I understand it, the water level had dropped during the draught so low that most recreational activity was not possible and no water was touching most of the dam, hence, the soil has become brittle. Come the rains and structural issues are magnified. Anyway, this week's storm is more intense in SoCal but it's still raining a lot near Oroville. They keep releasing water from lake but that appears to be causing flood problems in itself. Locals are advising friends in the area to get out -- I just hope they do as this looks like it is going to be a mess regardless.
Peter Bigelow C-25 TR/FK #2092 Limerick Rowayton, Ct Port Captain: Rowayton/Norwalk/Darien CT
Earthquakes, mudslides, floods, wildfires... I've been there a lot, but I've always had some concerns about California. My northeast location is fairly seasonal (not like MN), has winter ice/snow events and some power outages, and is subject to a hurricane every 50 years or so, but the earth, ground, and vegetation on it basically stay where they're supposed to be, and neighborhoods don't wash or burn away. (Nor do twisters wreck us, as in the Great Plains.)
Hope things are "stable" for our friends (and everyone else) in California!
Dave Bristle Association "Port Captain" for Mystic/Stonington CT PO of 1985 C-25 SR/FK #5032 Passage, USCG "sixpack" (expired), Now on Eastern 27 $+!nkp*+ Sarge
Notice: The advice given on this site is based upon individual or quoted experience, yours may differ. The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.