Complete the Indoor Water Use Reduction Calculator for LEED v4 BD+C and ID+C WE Prerequisite Indoor Water Use Reduction and LEED v4 BD+C and ID+C WE Credit Indoor Water Use Reduction usage-based calculations as well as LEED v4 O+M WE Prerequisite Indoor Water Use Reduction and LEED v4 O+M WE Credit Indoor Water Use Reduction Option 1.
The calculator includes assumptions for baseline water use. Use the summary tab in the calculator to complete the form in LEED Online.
Revision History:
- Original Posting 11/15/2013
- Updated 10/15/2014 to include LEED ND
- Updated 7/1/2015
- Updated 1/27/2017 - modified flow fixture calculation to allow for savings on total daily water use from non-default duration (v03)
- Updated 9/1/2017 – added instructional note to Step 5 on the instructions tab (v03)
- Updated 3/26/2019 - added option for ADA and /or gender-neutral bathrooms, made available to v4.1 projects (v04)
- Updated 4/17/2019 - updated to correct formula error on summary tabs (v04)
- Updated 6/23/2022 - updated error in Summary tab for ND projects
- Updated 8/23/2022 - changed default view to the instructions tab with ND selected as "no" and added Help Center Instructions link
ID: v05.1
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