Water standards for appliances | U.S. Green Building Council
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Water standards for appliances

Appliance Requirement
Residential clothes washers ENERGY STAR or performance equivalent
Commercial clothes washers CEE Tier 3A
Residential dishwashers (standard and compact) ENERGY STAR or performance equivalent
Prerinse spray valves ≤ 1.3 gpm (4.9 lpm)
Ice machine ENERGY STAR or performance equivalent and use either air-cooled or closed-loop cooling, such as chilled or condenser water system
gpm = gallons per minute
lpm = liters per minute
ID: NCv4_WEp2_Table2