Option 2 - Natural Hydrology

Michelle Rosenberger

Partner

ArchEcology

LEEDuser Premium Member

421 thumbs up

August 3, 2017

We are confused by the vagueness of these requirements. Our site has assessed all possible LIDs, and the civil has determined that the site is unsuitable for any such measures due to high water table and poor soils for infiltration. We will still have to deal with the stormwater runoff and the reference manual seems to suggest "appropriate measures" are dictated by the civil engineer. How would our project which is doing all the right things with respect to approach, analysis and intent comply with this credit?

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Michael DeVuono

Regional Stormwater Leader

Arcadis North America

LEEDuser Expert

144 thumbs up

Thu, 08/03/2017 - 19:56

The credit requires you to "manage" the volume. It does not require you to infiltrate that volume. Green Infrastructure programs all over the Country are installing raingardens, bumpouts, bump-ins, green gutters, etc. in areas with high water table and/or bad soils. They are simply lined, and designed as slow-release systems. Will this meet the intent of this credit? I have no idea. I am not aware of anyone who has tried this approach yet. However, the precedent has been set in major cities such as Philly, NYC, DC, and Baltimore who have GI programs.

Laura Cuccaro

LEEDuser Basic Member

2 thumbs up

Wed, 10/10/2018 - 17:43

Is there an example of Option 2? The only example provided in the Ref Guide is for Option 1.

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Option 2 - Natural Hydrology

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