Rainwater Catchment

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Revision as of 15:05, 20 April 2017 by Donney Clark (talk | contribs)
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  • Goals - gutters, first flush filter, etc.

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Catchment Calculation

Harvested water (gallons) = catchment area (square feet) [roof footprint] x rainfall depth (inches) x 0.623 [conversion factor]

Harvested water (liters) = catchment area (square meters) [roof footprint] x rainfall depth (millimeters)