What does the term "non-potable water" mean in the context of LEED?

The term "non-potable water" refers specifically to water that is not safe for human consumption, yet can still be treated and reused for various applications. In the context of LEED (Leadership in Energy and Environmental Design), the efficient use and management of non-potable water is emphasized to promote sustainability and conservation of potable water resources.

Utilizing non-potable water sources, such as reclaimed wastewater, greywater, or rainwater, can significantly lower the overall demand for potable water in a facility. This is critical in achieving LEED certification since one of the primary goals is to enhance water efficiency and reduce environmental impact.

Using non-potable water for irrigation, toilet flushing, or cooling systems contributes to sustainable development practices without jeopardizing human health and safety, aligning with LEED's objectives. Thus, defining non-potable water as water that is not safe for drinking but can be reused is accurate within the scope of LEED's focus on innovative water management.