1. Water that flows over the ground surface and then into storm drains and ditches is called stormwater runoff. 2. In cities and villages such as West Bend, Hartford, and Germantown stormwater runoff is treated at the wastewater treatment before it is released into lakes and streams. 3. Storm water runoff carries pollutants from lawns and streets into local waterways creeks. 4. Pouring waste oil down the storm drain is a good idea because it helps keep culverts from rusting. 5. Yard clippings and leaves that get washed away by stormwater runoff are not polluting because they are natural. 6. You should always wait to fertilize just before a big storm, so that the fertilizer will soak in really well. 7. It's a good idea to direct downspout to grass areas or a rain garden to maximize the amount of water that soaks into the ground. 8. It is a good idea to wash your car on your lawn to keep car-washing detergents from going down the storm drain. 9. A watershed is a large metal building that stores water. 10. What you do in your backyard will impact the quality of local waterways.