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1. Where do I apply for a permit to do construction on my property?
2. Does the Flood Control District provide sand bags?
3. Why can’t I throw my grass clippings in the creek?

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1. What is the design storm for my project?
2. Why do we need a permit to work in the creek?
3. What is the drainage easement across my property for? Can I build on it? What can I do on it?
4. Are there more Frequently Asked Questions?

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1. Where can I find your design standards?
2. Do you have the flow rate at a specific location on a creek?
3. There is no Flood Control data point where I need it or I need to know the post development design flows for my project. How do I calculate those flows?
4. How do I determine the 25-year 24-hour storm depth

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1. What is a Watershed?
2. What is the difference between the County Watershed Program and Contra Costa Clean Water Program?
3. When is my street swept?
4. What is an illicit discharge and who do I call to report it?
5. What’s the difference between the storm drain system and the sanitary sewer?
6. What’s the difference between point source and non-point source?
7. What’s the difference between a Stormwater Pollution Prevention Plan (SWPPP) and a Stormwater Control Plan (SWCP)?
8. What is C.3?
9. What are ‘Best Management Practices’ (BMPs)?
10. What is NPDES and who oversees it?
11. What is an NOI and what permits does it cover?
12. What is IPM and what are some ways I can try it?
13. What are Pollutants of Concern (POCs)?