855773644-LEED-v5-BD-C-Reference-Guide-Launch-Edition - Page 194

Extracted Content

Table 10. Points for reducing annual water use compared to water-cooled chiller system

Percentage reductionPoints
25%1
50%2

Projects whose cooling is provided by district cooling systems are eligible to achieve Path 2 if the district cooling system complies with the above requirements.

OR

PATH 3. PROCESS WATER USE (1–2 POINTS)

Demonstrate that the project is using a minimum of 20% alternative water to meet the process water demand for 1 point or that the project is using a minimum of 30% alternative water to meet process water demand for 2 points. Ensure that alternative water is of sufficient quality for its intended end use.

Process water uses eligible for achievement of Path 3 must represent at least 10% of total building regulated water use and may not include water used for cooling.

AND/OR

Option 6. Water Reuse (1–2 points)

PATH 1. REUSE-READY SYSTEM (1 POINT)

Install a water supply system to allow the supply of reclaimed or alternative water to reach one or more of the following end uses. Space shall be provided for treatment equipment as applicable to end uses.

OR

PATH 2. ALTERNATIVE WATER SOURCES (2 POINTS)

Incorporate one of the following water reuse strategies for indoor, outdoor, and/or process water that meets the needs of one or more end uses for the building and grounds:

  • On-site water reuse system

  • Municipally supplied reclaimed water

Eligible end uses for Paths 1 and 2 include irrigation; flush fixtures; makeup water systems, such as cooling towers or boilers; or other process water systems.

U.S. Green Building Council LEED v5 Reference Guide for Building Design and Construction, April 2025 Launch Edition 184