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The EPA WaterSense methodology and calculator allows only certain types of irrigation to be assigned to certain vegetation types. Why is this and won’t it skew results?

What if we just have a little green area on our rooftop? Is there a minimum amount of landscaped area to earn the prerequisite and credit?

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NC-v4 WEp1:Outdoor water use reduction

Hydrozones

I am a little unsure about how to generate hydrozone areas. For instance, with a group of trees, do I draw a polygon around the probable drip line and use that as an area? 

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Tue, 02/14/2023 - 16:02

Hi Charles, could you figure this out? From the LEED reference guide, I assume it refers to the general area and not the tree canopy, but it is true that this is unclear.

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