Water Efficient Landscaping - WEc1

Intent To limit or eliminate the use of potable water or other natural surface or subsurface water resources available on or near the project site for landscape irrigation

Requirements Reduce 50% - Reduce potable water consumption for irrigation by 50% from a calculated midsummer baseline case. Reductions must be attributed to any combination of the following items:
  • Use high efficiency irrigation technology
  • Use captured rainwater
  • Use recycled wastewater

No Potable Use or No Irrigation - Use only captured rainwater, recycled wastewater, recycled graywater or water treated and conveyed by a public agency specifically for nonpotable uses for irrigation and eliminate all potable water use for irrigation

The intent and requirements described on this webpage are paraphrased from the copyrighted works of the USGBC "LEED 2009 for New Construction and Major Renovations Rating System November 2008", and, the CAGBC "LEED Rating System & Addendum for New Construction and Major Renovations LEED Canada-NC version 1.0 December 2004", and are presented here strictly for informational purposes and are not intended to supplant or be used in place of the original copyrighted works.