Forum discussion
CS-2009 WEp1: Water Use Reduction
Hi,
WEc1 Water Efficient Landscaping allows the use of "water treated and conveyed by a public agency specifically for nonpotable uses" for the water saving calculations. Is the same strategy valid for WEp1 Water Use Reduction and related credits?
Thanks in advance,
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Can you explain the 12-second duration for metering faucets?
Can I use a nonpotable water source to contribute to WEp1 compliance?
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Are shower duration controls an acceptable water-saving strategy?
Can I include process water savings in order to earn an Exemplary Performance point?
David Sheridan
LEED SpecialistUSGBC
18 thumbs up
August 27, 2012 - 6:44 pm
According to LEED Interpretation 1551, use of treated wastewater supplied by a municipality cannot be applied to WEp1 and WEc3 (LEED NC). This alternate water source can be used to contribute to the landscape irrigation credit.
Site-derived nonpotable water can be used to contribute to WEp1 and WEc3. See http://www.usgbc.org/ShowFile.aspx?DocumentID=6493