From WHIO-TV (click link to see video):
New regulations are on the way for farmers who live and work fields around Grand Lake St. Marys. However, it turns out that many farmers are already doing their part to clean up the lake.
The land that feeds into Grand Lake St. Marys is some of the richest farm land in the entire state of Ohio. It is full of small family farmers, trying to make a living in a changing world, but also doing their part to save a state treasure in their back yards.