Storm drains are found in our streets, parking lots, Highways and more. You probably walk by a few of them each day, but just don’t think much about them. However, stormwater runoff is one of the leading causes of water pollution in the United States. Stormwater will pick up dirt, trash, oil, grease, chemicals, and other pollutants as it flows over parking lots, streets and other impervious surfaces. Find out how you can help us protect our water by using these simple pollution prevention tips and ideas: