When water-efficient fixtures first appeared in the 1990s, they often didn’t perform very well, creating a lot of doubts that still may be harbored by some project team members. Research and development as well as new testing protocols have really changed

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When water-efficient fixtures first appeared in the 1990s, they often didn’t perform very well, creating a lot of doubts that still may be harbored by some project team members. Research and development as well as new testing protocols have really changed things since then, so make sure these doubts are put to rest. Providing hands-on experience with efficient fixtures by visiting another LEED building is a good way to do this.

Up-front costs for a 30% reduction may be minimal, since project teams will already be integrating water-saving techniques for the 20% reduction prerequisite. Many of the strategies used to achieve the prerequisite will also help your project achieve

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Up-front costs for a 30% reduction may be minimal, since project teams will already be integrating water-saving techniques for the 20% reduction prerequisite.

Establish preliminary goals for water-use reduction. Consider setting water-reduction goals higher than the 40% reduction required by this credit, and aim for a reduction greater than 45% or higher for exemplary performance under IDc1. You are likely to n

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Establish preliminary goals for water-use reduction. Consider setting water-reduction goals higher than the 40% reduction required by this credit, and aim for a reduction greater than 45% or higher for exemplary performance under IDc1. You are likely to need rainwater or graywater reuse to reach this threshold. 

Core and Shell projects should consider the impact of fixtures that will be used by tenants. The ability of a LEED-CI project to earn this credit for itself could be either helped or harmed by choices made for the LEED-CS project.

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Core and Shell projects should consider the impact of fixtures that will be used by tenants. The ability of a LEED-CI project to earn this credit for itself could be either helped or harmed by choices made for the LEED-CS project.

You can earn an Exemplary Performance point through IDc1 for a 45% reduction. To help you meet this threshold, you can include appliance and process water in the calculations, even though that’s not allowed for the standard credit calculations. 

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You can earn an Exemplary Performance point through IDc1 for a 45% reduction. To help you meet this threshold, you can include appliance and process water in the calculations, even though that’s not allowed for the standard credit calculations. 

Appliance and process water uses such as clothes washers, dishwashers, cooling tower makeup, and others, need not be included in the LEED water use reduction calculations for this prerequisite and credit.

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Appliance and process water uses such as clothes washers, dishwashers, cooling tower makeup, and others, need not be included in the LEED water use reduction calculations for this prerequisite and credit.

Process water use from clothes washers, dishwashers, ice machines, food steamers, and pre-rinse spray valves are addressing under WEc4: Process Water Use Reduction is not under this credit. 

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Process water use from clothes washers, dishwashers, ice machines, food steamers, and pre-rinse spray valves are addressing under WEc4: Process Water Use Reduction is not under this credit. 

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