Did you know that stormwater pollution starts at home? Many of the activities that you do around your house could be contributing to stormwater pollution. Pet waste, over application of fertilizers, vehicle maintenance, vehicle washing, and yard maintenance all pose a threat to our stormwater. You can be the solution to stormwater pollution! The City of Thornton offers many programs and tools to help make keeping our waterways clean as easy as 1, 2, 3!