I love the introduction of this credit. I have a question regarding the implementation phase of the water-related systems. The credit requires an explanation how one on-site non-potable water supply source was analyzed to reduce municipal supply or wastewater treatment for two of the following:
-indoor water demand
-outdoor water demand
-process water demand
-supply sources
I work for a municipal government and our capital funds typically limit our ability to implement a stormwater, grey water or process water reuse system within the building. Would we satisfy the implementation phase requirement by demonstrating the following?
1. We have reduced the outdoor water demand by either directing stormwater to landscaped areas or directed it to a raingarden or cistern to be used for irrigation
2. We have reduced the burden on the municipal stormwater system (which is different than the wastewater treatment system) by utilizing the stormwater onsite as per above
This is essentially double counting the same design feature so I want to confirm this is allowed. I also want to confirm that the stormwater system would be classified as a wastewater treatmeant system under the credit. The municipal stormwater system directs water to the river whereas the wastewater system directs water to one of our wastewater treatment plants.
Thanks
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Marcus Sheffer
LEED Fellow7group / Energy Opportunities
LEEDuser Expert
5861 thumbs up
December 28, 2015 - 5:34 pm
Those are certainly both benefits of the strategy you mention. Using rainwater for irrigation reduces outdoor water demand and reduces the burden on municipal water supply. So it addresses two of the four items listed.