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Drano has met it's match

I'm still wondering why they don't just have normal spillways like every other dam in the world? It seems like buildings a giant "glory hole" intake would probably be more expensive than normal spillways. Perhaps its because small dams liek these are not continually monitored and therefore don't have people to operate the spillways in case of flood?
 
I'm still wondering why they don't just have normal spillways like every other dam in the world? It seems like buildings a giant "glory hole" intake would probably be more expensive than normal spillways. Perhaps its because small dams liek these are not continually monitored and therefore don't have people to operate the spillways in case of flood?

It drastically reduces the cost of building the damn in terms of concrete usage as compared to say the Boulder/Hoover dam spillways.
 
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