why don’t dam operators dredge in the dam lake during dry spells (or times when the water levels are too low) to expand the dam’s water capacity?

Question

Because I think it’ll be nice to have more water stored

In: Engineering

Answer 1

Money. I’m in Iowa. Army Corps of Engineers says it isn’t feasible to dredge reservoirs that have lost 1/3 of the capacity and have had major floods 3 times in the past 30 years. They were each called 100 year floods