Rain, stormwater, and floodwater flow across hard materials, like the concrete or asphalt in your driveway. This water ends up in storm drains, bringing all the dirty stuff it picked up along the way. You and your family can help stop this type of water pollution from occurring. Marlee and her parents noted that the rain ran quickly off of their driveway into the creek behind the house. What is one way Marlee and her parents could stop the flow of water into the creek