Where can I find your design standards?
The District is preparing to bring all its standards into one document. Until then, contact District office at (925) 313-2000 and ask for someone in Flood Control. We will be happy to explain, e-mail, or main you information about our standards.

Public Works Hydrology

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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