Tag: filtration
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Stormwater biofiltration increases coho salmon hatchling survival
A new study finds that the green stormwater practice bioretention filtration can help protect coho salmon hatchlings from the lethal toxicity of runoff exposure. A relatively simple, inexpensive method of filtering urban stormwater runoff dramatically boosted survival of newly hatched coho salmon in an experimental study, according to a press release from Washington State University (WSU). The…
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Iowa farms using low-tech systems to filter fertilizer-borne nitrates from water
Photo: A worker shovels wood chips in a bioreactor trench in a farm field, on March 28, 2023, near Roland, Iowa. Low-tech systems called bioreactors and streamside buffers help filter nitrates from rainwater before it can reach streams and rivers. (AP Photo/Charlie Neibergall) Nick Helland’s central Iowa farm looks much like every other nearby farm on…
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Lead crisis in Newark leads to distribution of bottled water…
…after filters fail to safeguard homes with old pipes Responding to reports that filters are not protecting residents from elevated lead levels in their drinking water, Newark officials on Sunday said they will distribute bottled water to households with old lead pipes after federal officials urged the city to take action “as soon as possible.”…
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Membrane technology to address excess water problem on Washington dairy
“We really don’t have a nutrient problem; we have a water problem,” states Galen Smith, partner and general manager of Coldstream Farm LLC in Deming, Washington. With their new 50-stall rotary parlor that has the capacity to milk 2,200 cows three times a day, Smith says their goal is to maximize the use of this…
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Working for our wetlands
Wetlands – including lakes, lagoons, bogs and peatlands, as well as swamps and marshes – are regions that experience seasonal or perennial flooding. They generally host a range of plants and animals, and are vital to the survival of these species. However, they are also fragile ecosystems that require monitoring and maintenance to prevent their…
