Hello! 

I have two sources of non-potable water in the project: gray and rainwater. These two sources, combined, are enough to supply my irrigation demand and also toilets flush for the...

All mention of establishment periods refer to the no potable water/irrigation case (WEc1 Option 2), but what about for Option 1, 50% non-potable water use reduction?

If a 50% reduction in...

My project consists of some landscaping at grade (2%) and the majority of landscaping on the podium level (18%) for a combined landscaped area that is about 20% of the site. 

The exert...

Within the WEc1 "Thresholds" tab, there is a green button that reads "Submit". Are you supposed to click this button in order for the credit to be ready for review? And/or what is the function of...

We are building on a previously developed site where there are many existing Redwood trees that will not be uprooted for the project. Our site has...

We use 100% non-potable water in our project but the LEED v06 form still requires 50% reduction from baseline, but there is no calculator on the form and none separately available under Resources...

I have a plaza with 32 trees, with each in their own tree grate. I am trying to determine how to input this vegetation type into the EPA WaterSense calculator. Is it based on the tree's caliper...

We have a project where a good part of the non-hardscaped area inside the LEED boundary will be planted in native prairie grasses, with no irrigation. At least 50% of the area inside the LEED...

What is the...

Even if pursuing Option 2 Temporary Irrigation, we've always had to comply with Option 1 reductions also. The points were additive. There was an explicit note on the forms to that effect and the...