While trying to determine the exact requirements and procedures for satisfying Sustainable Sites Credit: Rainwater Management a member of our team decided to look into the use of the EPA Stormwater Calculator, described in the LEED BD+C 2012 Draft as an alternative approach to determine the natural land cover hydrology. He found that the calculator has not been finalized or even beta tested yet. Currently, the EPA Stormwater Calculator is under peer review and does not have a date for release.

Does anyone else find it alarming that the v2012 is referencing tools that do not exist yet AND do not have a release date?