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| − | Content here about retention and detention in landscapedepressions.
 | + | Also known as infiltration basins.  | 
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|  | + | ==Overview== | 
|  | + | Dry ponds are recommended as flood control structures to accommodate occasional excess overflow downstream of other structural BMPs. They should be integrated into the landscape as useful, accessible public space.   | 
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|  | + | ==Design== | 
|  | + | The surface storage volume of a dry pond is simply determined: | 
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|  | + | <math>A_{pond}=\frac{\left (RVC_T\times A_{catchment}\right)}{\left ( q\times t_{drawdown}\right )}</math> | 
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|  | [[Flood control]] |  | [[Flood control]] |