Does anybody know of a good rainwater harvesting calculator online anywhere? Most of the ones I have found do not let you adjust enough of the inputs to be useful.

There is a non-potable aquifer under the building's basement. Can we install a well to extract this water and use it for irrigation and flush the toilets?

This is an academic problem that I need confirmation for. It’s a LEED-NC 2009 project. • 242 FTEs. No visitors, etc. 50:50 gender ratio = 121 of each.

Hello, Our project is a new building on a school campus.

WE 2.2 states, "minimize the amount of wastewater conveyed to the municipal system" Can we automatically acheive this Credit by using an onsite Well and Septic system?

I am wondering if I can include a restaurant dishwasher in my waste water calculations for WEc2? According to the reference guide waste water is defined as "the spent or used water from a home, co

We have a project that is considering a 0.8 gpf water closet. The project is an existing building renovation and we do not have ADA clearance space for the addition of urinals.

Dear community, We have pursued this credit with option 1 and have achieved 52.31% only with the use of high efficiency WC and urinals.