Discharge of Oil Placard
On federal waters, vessels 26 feet or longer must display a 5 x 8 inch placard made of durable material, fixed in a conspicuous place in the machinery spaces, or at the bilge pump control station, stating the following:
Discharge of Oil Prohibited
The Federal Water Pollution Control Act prohibits the discharge of oil or oily waste upon or into any navigable waters of the U.S. The prohibition includes any discharge which causes a film or discoloration of the surface of the water or causes a sludge or emulsion beneath the surface of the water. Violators are subject to substantial civil and/or criminal sanctions including fines and imprisonment.