To earn points in the Indoor Water Use Reduction Credit, what is the maximum allowable daily water use for lavatory faucets by LEED?

To earn points in the Indoor Water Use Reduction Credit under LEED, the standard for lavatory faucets is set at a maximum flow rate of 0.5 gallons per minute (gpm). This requirement aligns with LEED's overarching goal of promoting water efficiency and reducing overall water consumption in buildings. By utilizing fixtures that operate at this specified maximum flow rate, projects can effectively minimize water waste while still providing adequate performance for day-to-day activities.

Providing a low flow rate for lavatory faucets not only helps in conserving water but also contributes to reducing overall utility costs, thereby enhancing sustainability within the building. Other options exceed the 0.5 gpm standard, which would not contribute to the desired water efficiency measures that LEED aims to promote. Meeting this flow rate requirement is essential for earning the credit and showcasing a commitment to responsible water management practices in the building design and operation.