Stillwater River en Ohio EPA To Study Stillwater River Watershed <p>Ohio environmental officials will begin studying the Stillwater River watershed this year to monitor the quality of the river that passes through parts of Ohio and Indiana.</p><p>The state scenic river is part of the Great Miami River watershed. It flows 67 miles from its headwaters in Indiana and northern Darke County in western Ohio through Miami County to the Great Miami River in Dayton.</p> Mon, 08 Jul 2013 11:04:00 +0000 Associated Press 35831 at