Kath Williams
LEED Fellow 2011, Principal
Kath Williams + Associates
LEEDuser Premium Member
103 thumbs up
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Achieving outdoor water use prerequisite with no site work
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Erik Heuler on
Hello,
2
Fri Oct 24, 2025, 3:28 pm
Alternative Calculation Tool (LOTUS-VGBC)
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Timothy Ian Middleton on
Hi everyone,
We're currently working on a LEED BD+C project and have a question regarding WEc1: Outdoor Water Use Reduction.
0
Outdoor Water Use credit - LEED V4.1
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Maria Farah on
In LEED BD+C: New Construction V4.1, the outdoor water use reduction credit (2 points) states that alternative water sources can be used to achieve an additional 30% reduction.
2
Worklounge 03- Vietnam
LEEDuser Premium Member
1 thumbs up
Thu Jul 31, 2025, 7:07 am
Water reduction is over 101% and ET0 values
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Alexia Anastassiadis on
Hi! I just got back a review on this PR and the reviewer made 2 comments:
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Grass area may become a future parking lot.
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Don Wheeler on
When determining baseline calculations, I know not to include any aggregate areas.
0
hose bibs
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Paul Bierman-Lytle on
will hose bibs comply with no irrigation requirement?
1
Mon Dec 12, 2022, 11:28 am
WE Outdoor water reduction
NC-v4.1 WEp1:Outdoor Water Use Reductionposted by Geneva Guerin on
Are potted plants and trees (in raised beds on outdoor covered terraces within the site boundary), counted as vegetated surfaces for this prerequisite?
2
Integrated Design & LEED Specialist
SERA Architects
LEEDuser Expert
1361 thumbs up
Tue Dec 17, 2019, 9:16 pm