Dune Filters After Installation (IMAGE)

North Carolina State University

Dune Filters After Installation

Caption

The dune filtration systems are built under dunes that are covered with vegetation, making it difficult or impossible to tell that the dunes have been disturbed. A three-year study found that the dune systems reduced the concentration of bacteria in stormwater runoff by 96 percent.

Credit

Michael Burchell, North Carolina State University

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