During construction, activities such as grading and demolition create pollutants that can leave the site and harm our waterways. Sediment is one of the main pollutants of concern. When it rains, stormwater washes over the loose soil on a construction site, along with various materials and products being stored outside. As stormwater flows over the site, it can pick up pollutants like:
These pollutants can be transported to nearby storm drains or directly into local creeks, lakes, and reservoirs.