Filtering Polluted Stormwater Through Soil Can Protect Salmon, Study Shows

Yale Environment 360: Filtering polluted runoff from urban areas through a simple soil mixture dramatically reduced the water's toxic metal and hydrocarbon content and made it safe for coho salmon and the insects they eat, according to new research. Scientists collected polluted runoff from a four-lane highway in Seattle, then filtered part of the water through a mixture of sand, compost, and shredded bark. Coho salmon and aquatic insects thrived in the filtered stormwater, but they quickly died in the unfiltered water,......

Read Complete Article at Water Conserve: Water Conservation RSS News Feed

You can leave a response, or trackback from your own site.

Leave a Reply