LEED Certification for Homes – WE CREDIT: INDOOR WATER USE
Case 1. Single Family
Projects that install fixtures consuming more than 2.5 gallons per minute (9.5 liters per minute) per shower compartment must use WE Credit Total Water Reduction.
Each lavatory faucet or faucet aerator must be WaterSense labeled.
Each showerhead fixture and fitting must be WaterSense labeled.
Each toilet fixture and fitting must be WaterSense labeled.
Each clothes washer must be ENERGY STAR qualified or performance equivalent for projects outside the U.S. (1 point)
The water pressure in the house must not exceed 60 pounds per square inch (414 kPa), with no detectable water leaks.
For projects outside the United States, a local equivalent to WaterSense may be used.
Case 2. Multifamily and Midrise
Meet the above requirements for all in-unit spaces and non-unit (residential-associated and nonresidential) spaces.
Multifamily and midrise projects are exempt from the water pressure testing criterion.
No additional credit is awarded if the fixtures and fittings in nonunit spaces are more efficient than those of in-unit spaces.