Still is - but only because the EPA will get you otherwise. Even without their [adjective meaning "extremely stupid or foolish" which begins with the alternate name for a mule or donkey] interpretation of the Waters of the United States Rule, if measurable levels of pesticides or fertilizers are leaving your property and headed towards a waterway, they can make your life a living hell.I'm old enough to remember back in the 70's or so when FARM EROSION!!!! was one of the big environmental hot buttons.