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What is Stormwater?
Stormwater is precipitation such as rain, sleet, or melting snow. In a natural setting only a small percentage becomes surface runoff, but as development occurs this percentage increases. This runoff usually flows into the nearest stream, creek, river, lake, or wetland.

Stormwater

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1. What is Stormwater?
2. Why is stormwater important?
3. What is an NPDES (National Pollutant Discharge Elimination System) permit?
4. What is a point source?
5. What is a water of the United States?
6. What is a pollutant?
7. Do I need an NPDES permit?
8. Where do I apply for an NPDES permit?
9. How are the conditions in NPDES permits enforced by EPA and the States?
10. Typically, how long are NPDEES permits effective?
11. What is the National Pollutant Discharge Elimination System (NPDES) Storm Water Program?
12. What is a Municipal Separate Storm Sewer System (MS4)?
13. Which MS4s are regulated by the NPDES Storm Water Program?