What is storm water runoff?

Storm water runoff occurs when precipitation from rain or snowmelt flows over the ground. Impervious surfaces like driveways, sidewalks, and streets prevent storm water from naturally soaking into the ground.

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1. Why can't I dump my used motor oil in the alley?
2. Why do I have to contain the silt on my construction site?
3. What happens if I don't keep my silt containment in good working condition?
4. What is storm water runoff?
5. Why is storm water runoff a problem?
6. What can I do as a resident to prevent storm water runoff?
7. What can I do as a commercial business to prevent storm water runoff?
8. What can I do as a construction company to prevent storm water runoff?
9. Does my construction site need a permit?