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FriedFred t1_iwjn5wl wrote

Cor, that's a massive dam - I hadn't really appreciated that you might want to build something that big for the sake of flood management, rather than because you want to store the water for later (e.g drinking water reservoirs).

Does a structure like that aim to produce constant river flow, averaging out the wet and dry seasons? Is this sort of thing only common in places with variable climates?


ian2121 t1_iwjnwmw wrote

I’m in the PNW so l don’t know a ton about it but I believe the sole purpose of that dam is to minimize flash flood damage to the city