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America's Great Dam Teardown Means Cleaner Water, More Parkland

March 31, 2017

By: Daniel J. McGraw

( Next City) Bill Zawiski is Ohio's water quality man and he knows the most efficient way to clean the infamously dirty Cuyahoga River that flows through Cleveland and other Ohio cities. It's not a new regulation or cutting-edge infrastructure. The answer: tearing down old infrastructure — specifically, dams.

"If you are looking at the most economical way to gain watershed restoration, dam removal on its own jumps ahead of many things on the list," says Zawiski, water quality supervisor with the Ohio Environmental Protection Agency. Zawiski explains the science simply. Dams prevent waterways from cleaning themselves. When they are removed, the natural filtering process can work its magic...


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