Rain Gardens Image

Sizing Map

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Use this map to determine the size rain garden you need to effectively absorb the runoff from your roof, parking area, or other hard surface.

    1. Enter your address in the "Find address or place" box below to locate your property.
    2. Zoom into the portion of your property that will drain into the rain garden.
    3. Click around the perimeter of your roof/parking area that will drain into the rain garden.
    4. Click on the "Calculate Area" button below the map to find the drawing's area and the suggested rain garden size.

Hint: You can clear the drawing by clicking the "Clear Map" button.

Note: This calculation is based on absorbing the runoff from a 1 inch storm.

 

Find address or place:  

 

 

 

 

Measured Area:
0 sq. ft.
Suggested Rain Garden Size:
0 sq. ft.