If you click on the vid the title is: Saylorville Spillway - 3-21-2007
And the description says: The outlet channel is a single circular concrete conduit, 22 ft. in diameter, located at the bottom of the west bluff. The control structure is located at the upstream end of the conduit and houses three gates, which have the capability of releasing a maximum outflow of 21,000 cubic feet of water per second (c.f.s.).
The outlet tube is 22 feet in diameter so I'm going to say that at its deepest toward the far end of the spillway it is probably closer to 40ft deep just judging by visual comparison.
wow thats just plain disgusting, the only hole I have ever seen that could ever compare to that is this gigantic hydraulic I saw on the...Misstasini...driving over a bridge in Northern Quebec that dumps into lac St jean.
...oh but this one wasn't man made
Yeah, we've got a couple of conduit gates like that at a lake here northeast of Tulsa. I think each tube passes about 10,000 cfs. And yeah, pretty sickening to watch the backwash.
But when they need to pass more than 20K cfs, they use this alternate spillway. Runs pretty rarely - some years never. It's almost a ready-made whitewater park - lots of volume, bedrock bottom to easily anchor features into, and gradient. On private land, boater-friendly landowner (calls me when they turn it on and wants to see it run more often - how's that for boater-landowner relations?). Unfortunately, Corps of Engineers is NOT boater friendly there (yet). The way they treat us, you'd think we were selling crack to grade-schoolers.
that "Shaun Baker kayaks lyn brianne dam slipway" video is really cool!
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