by Tom Barry
Stormwater runoff has become an increasing environmental concern as urbanization of our society has created massive areas of impervious surfaces that flood our storm drains and waterways with pollutant laden water. Stormwater management techniques are gaining popularity in urban environments to offset this “paved paradise” syndrome. One of the techniques that has shown promise is bioretention. Bioretention cells are depressions in the landscape that capture stormwater before it can enter waterways. Stormwater is collected and percolated back down into the ground where it is filtered through a media. The components of this media, or bioretention soil, play an important role in the success or failure of the cell. Ongoing research and technology has increased the capabilities of these soils to succeed. [click to continue…]
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