Rain garden in Austin, TX

This is a rain garden in the westlake hills part of Austin, TX.  In this design, we collect runoff in the form of a french drain, and then direct that water to the rain garden reservoir where the water can slow down and permeate into the soil instead of rushing into the culvert.  In the event of a overflow, the rain garden has an additional overflow pipe which directs water horizontally, perpendicular to the slope, so that the water has even more time to soak into the terrain.

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