Biofiltration as a treatment technology in water and wastewater purification. The arrow indicates the direction of water flow. Biofilters contain filter medium grains (e.g., sand, granular activated ...

Implementing more biofiltration would help coho as well as other fish sensitive to urban runoff like steelhead, but it is only part of the solution, McIntyre said. "We also need to pay more attention ...

AUSTIN (KXAN) — On Friday, Austin city leaders celebrated the opening of the newly completed Biofiltration Pond in downtown Austin. The pond is located at the Waterloo Greenway, and it’s the only one ...

A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study. That's the good news for the ...