Eastern hellbender salamanders need clean streams with high water quality and silt-free stream beds to find their prey and avoid predators. Pipeline construction isn't making that easy.
A long legacy of industrial pollution has made the Ohio the archetype of a "working" river. But the National Wildlife Federation thinks the Ohio could be transformed into a recreation destination.
Some water quality advocates say getting industrial polluters to pay for farm runoff prevention projects is an innovative way to control water pollution. But critics argue it's just another pay-to-pollute scheme.
Though the toxic chemical found in Teflon is no longer made in the U.S., residents in the Ohio River Headwaters region are still dealing with dangerous levels of C8 in their drinking water.
A 600-mile-long algae bloom on the Ohio River in 2015 sent officials scrambling to protect water supplies and looking for answers to prevent future blooms.
As towns on the Ohio River struggle to rebuild their economies, should they be trying to attract more industry or pushing to make the Ohio a recreation destination?