Does road salt end up in the Ohio River?

The city of Louisville has a fleet of around 50 salt trucks, and when it snows, each can carry 10 tons of snow at a time to scatter on our roads and expressways. When the snow melts, most of us never have to think about that salt again. But Annie McCanless, a retired social studies teacher in the Crescent Hill neighborhood wondered, "Does the salt put on the street to melt the snow end up in the…