Stormwater pollution is caused when rainwater runs off of disturbed areas, stockpiles, or storage yards and picks up pollutants such as sediment, oils, or chemicals from leaks or spills. These pollutants are transported into the storm sewers and directly into our lakes, streams, and the ocean.
Most people are surprised to learn that stormwater is a leading cause of water pollution across the country. Most stormwater is NOT treated before it enters the creeks or ocean; whatever material the water collects as it runs off is transported directly to our creeks or ocean.
There are many simple ways that construction sites in San Luis Obispo County can help prevent stormwater pollution. For more information check out the Resources and Frequently Asked Questions and Answers below.