Catchment First Flush Diverter
First-Flush Diverter, Rainwater Harvesting, Rainwater Catchment, , Renewables News DFW, Dallas Fort Worth North Texas North Central Texas
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| Although larger rooftop debris is collected by the leaf screens, smaller debris such as dust, insect bodies, animal feces, pesticides, etc., is not collected here. A diverter takes care of the smaller debris.
How much water should you divert?
A rule of thumb is to divert a minimum of 10 gallons for every 1,000 square feet of collection surface. However, opinions vary, and the correct answer will also depend upon the number of dry days dust has been allowed to accumulate, the amount and type of debris, the intensity of the rain (see below), the roof slope, and any tree overhang. Even the season of the year can affect the amount of water to divert.
The rain intensity needed to wash your roof is a function of both the roof slope and the intensity of the rain.
A roof washer may also be needed for potable water or if you use the water for drip irrigation.
Once more: Particularly if you intend to use the harvesting system as drinking water, it is very important to consult a professional about your system.
Do you need an energy consultant, energy auditor,
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