Part 2: Zero Water, sustainable for Hill Country
Submitted by Wimberley1 on
SUBMITTED illustration
By David Venhuizen
Debunking the myth.
Before proceeding to further detail the Zero Net Water development concept, we must dispose of a prevailing myth. An immediate, practically knee-jerk, objection to centering water supply strategy on distributed building-scale rainwater harvesting is that harvesting rainwater off rooftops would “rob” the watershed of streamflow and/or recharge, and would thus produce no net gain in the available, usable water supply. But a closer look shows this is not the case.
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