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Water Use Reduction Calculations in LEED®
This LEED® Specific course is for anyone working on a LEED project and will address issues such as proper calculation methodology, accounting for urinals in buildings, proper weighted calculations for dual-flush toilets, public vs. private fixtures, fixture usage groups and the use of proper gender ratios, and how to successfully submit the LEED Prerequisite/Credit Forms in LEED Online. Learn what reviewers are looking for and how to submit it right the first time.
Upon completion of this course, the Learner should be able to:
- Understand the common mistakes made by project teams submitting WEp1 during the LEED certification process.
- Successfully calculate the water use reduction of a LEED project.
- Assess which fixture usage groups to use on a LEED project.
- Assess whether there are any weighted calculations that need to be completed in order to properly reflect the project conditions.
- Determine what documentation to include to meet Prerequisite requirements.
Approximately 1 hour. Delivered online, at your own pace.
Presented by Erika Mayer on behalf of Erika Mayer. View the Privacy Policy .
Presenter Information

Name: Erika Mayer
Title: President, Lunchbox Consulting Inc.
Background: Ms. Mayer is a sustainable building specialist with 12 years experience in the buildings industry. She was instrumental in the development of the Canada Green Building Council (CaGBC) and helped bring LEED and its related programs and resources to Canada. Throughout her career she has worked as a liaison with building industry stakeholders to help educate on a variety of technologies and strategies with a specific focus on green buildings. She has expertise in LEED and other green building rating systems and is a proven resource to help clients achieve their overall sustainability goals. Erika currently conducts LEED Project Certification Reviews for the Green Building Certification Institute (GBCI) in the US and is a LEED Green Associate faculty with the CaGBC.