Why do we need a permit to work in the creek?
The District boundaries cover all of Contra Costa County. Within District right of ways, they District can dictate hydrology methods and freeboard standards. The County has adopted our standards and so in the unincorporated areas our standards are used. FEMA will require you to use the FCD flow rates in any FEMA sutdy. The District can generate the flow rates using the Hydro program.

Public Works Flood Control

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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?