Appalachian History Series A highway made a lake Lake Linville is not a conventional reservoir built behind a separate concrete structure. Kentucky’s own mapping and basin summary explain that “Renfro Creek was dammed in 1968 by the I-75 fill embankment to create the lake.” The same Kentucky Geological Survey page notes that the Mount Vernon Water Works draws its raw water from Lake Linville and even provides a ramp locator for public access.