Has anyone found a good spreadsheet/website that calculates the approximate size of a rainwater tank needed for a given roof area and water usage?

If a project treats 100% wastewater and reuses it for irrigation except the treatment in done through local govt utilities service provider, can the project claim point under Innovative Waste water

We are working on a large scale City Garage project targeting LEED Silver certification. We are considering rainwater harvesting and using it to meet the demands of truck washing.

Our building is on a college campus and we plan to route all condensate to the campus grey water system. Does this qualify even though it is not being used on-site?

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.

Hi, My project is a factory building. They are installing only Indian Water Closets and no Urinals. How to calculate water efficiency if Urinals are not used?