855773667-LEED-v5-O-M-Reference-Guide-Launch-Edition-1 - Page 105
Extracted Content
Water Efficiency Credit
ADVANCED WATER METERING
WEc2
1 point
INTENT
To support water management and identify opportunities for additional water savings by tracking water consumption.
REQUIREMENTS
| Achievement pathways | Points |
|---|---|
Existing Buildings | 1 |
Submeters | 1 |
Establish permanently installed meters for at least two water subsystems through the following:
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Irrigation : Meter water systems serving at least 80% of the irrigated landscaped area.
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Indoor plumbing fixtures and fittings : Meter water systems serving at least 80% of the indoor plumbing fixtures and fittings, either directly or by deducting all other measured water use from the measured total water consumption of the building and grounds.
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Cooling towers : Meter replacement water use of all cooling towers serving the facility.
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Domestic hot water : Meter water use of at least 80% of the installed domestic hot water heating capacity (including both tanks and on-demand heaters).
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Reclaimed water : Meter reclaimed water, regardless of rate. A reclaimed water system with a makeup water connection must also be metered so that the true reclaimed water component can be determined.
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Other process water : Meter at least 80% of expected daily water consumption for process end uses, such as humidifiers, dishwashers, clothes washers, and pools.
All meters, including whole-building meters, must be recorded at least weekly and used to regularly analyze time trends. If the building owner, management organization, or tenant owns the meter, it must be calibrated within the manufacturer’s recommended interval.
U.S. Green Building Council LEED v5 Reference Guide for Operations and Maintenance, April 2025 Launch Edition 95