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| v2 - LEED 2.0

Water use reduction

WEc3.1 | Possible 1 point

Intent

Maximize fixture potable water efficiency within buildings to reduce the burden on municipal water supply and wastewater systems.

Requirements

Have in place over the performance period strategies and systems that in aggregate produce a reduction of fixture potable water use from the calculated fixture water usage baseline established in WE Prerequisite 1. If the building does not have separate metering for each water use (fixture use, process use, irrigation and other uses), the water use reduction achievements can be demonstrated for WE 3.1 with calculations. At least one meter for the overall building water use is required and metering for cooling towers and other process water use encouraged but not required.

To earn WE 3.2, measured fixture water use demonstrating required level of efficiency must be provided.

  • WE 3.1: 10% reduction in fixture water use from the baseline. (1 point)
  • WE 3.2: 20% reduction in fixture water use from the baseline. (1 point)
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