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logotype: H2O IQ

H2O IQ

Water is life. Knowledge is power.

  • Home
    • FAQ
    • Mission | Service
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    • At the Source — Water Quality
    • Video Library
    • References & Education
    • Substances & Characteristics
    • Terminology & Definitions
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Tag: biofilters

Stormwater biofiltration increases coho salmon hatchling survival
September 12, 2023

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...

Iowa farms using low-tech systems to filter fertilizer-borne nitrates from water
April 21, 2023

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,...

3 [more?] Surprising Ways Water Depends on Healthy Forests
October 25, 2017

3 [more?] Surprising Ways Water Depends on Healthy Forests

Healthy forests are critical to providing clean water. Forests can positively impact the quantity, quality and filtration costs associated with...

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August 24, 2017

EPA researching freshwater mussels as biofilters in PA, MD and WV

The Environmental Protection Agency today announced a new project to develop innovative methods to improve our understanding of the distribution...

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