Ducks and ducklings hanging out under a lift bridge in Cleveland Ohio along the Cuyahoga River

water nature natural water watershed cuyahoga cuyahoga national park cuyahoga valley national park tributary cuyahoga watershed water source falling water shale ohio cleveland akron burning river clean river river of the year hiking river bed rocks river rocks clean water act epa environmental protection agency ohio waterway crooked river burn on pollution trash garbage ducks mallards geese liter climate change natural polluted river polluted lake wildlife wild animals birds ducklings