Multiple choice River in Ohio that caught fire more than once, led to Clean Water Act of '72 Danube River Fire Mississippi River Fire Nile River Fire Cuyahoga River Fire Reveal answer Fill a bubble to check yourself D Correct answer Explanation The Cuyahoga River in Cleveland, Ohio, became infamous for catching fire multiple times due to industrial pollution. These events were a major catalyst for the passage of the Clean Water Act in 1972.