A University of Idaho team, led by Professor Amin Mirkouei and supported by two recently graduated doctorate students, Rance Bare and Ethan Struhs, collaborated with the USDA Agricultural Research Service (Ken Overturf), U of I Aquaculture Research Institute (Brian Small) and the National High Magnetic Field Laboratory (Martha Chacón-Patiño, Amy Mckenna and Huan Chen) to design and custom-build an economical and sustainable water treatment system. This system was specifically developed to remove micronutrients, primarily phosphorus and nitrogen, from the wastewater of fish farms in southern Idaho (Magic Valley region). Through a series of laboratory and field studies, the team tested several unmodified and modified biochar-based water treatment systems. Their findings demonstrated that magnesium (Mg)-modified biochar, made from pinewood, effectively sequestered higher amounts of nitrogen and phosphorus over time. For more information, please check out the latest published articles at www.mdpi.com/2227-9717/11/10/2883 and www.mdpi.com/2227-9717/11/4/1029.
Similar Posts
OUR GEM: Ecosystem Services That Wetlands Provide
Author, Meg Wolf- Interim Assistant Director/Idaho Water Resources Research Institute, University of Idaho Wetlands refer to the watery transition zones between surface water and dry land. They can be wet year-round or only during certain parts of the year, such as following spring runoff. Essential parts of a wetland include aquatic plants specifically adapted to live in fully saturated environments. In the Inland Northwest, non-tidal wetlands are prevalent, unlike coastal regions that support tidal wetlands. Nature’s Water Filters Wetlands act…
OUR GEM: Taking Public Comments Regarding Wetland Protection Rule Changes
by Sharon Bosley, Executive Director for the Basin Environmental Improvement Project Commission The Clean Water Act (CWA) was created to protect our water resources by regulating discharge of pollutants into the waters of the United States. Its goal is to help ensure all waters are swimmable, fishable and drinkable. The purpose of defining the Waters of the United States (WOTUS) is to determine which waterways are protected under the CWA. The definition determines which waters require permits for activities that…
OUR GEM: Hygiene, it’s not just for people…
Author: Ben Scofield, Coeur d’Alene Tribe Water Resource Specialist In all seriousness watercraft hygiene is an important subject in these days of increasing pressure upon our shared waterways. The Idaho State Department of Agriculture which operates watercraft inspections stations throughout the state recorded about 125,416 inspections in 2025. Each of these watercraft trips represent an opportunity for an aquatic invasive species (AIS) to jump from an infested waterbody to an un-infested one. With the detection of quagga mussel in the…
OUR GEM Ashes in the Current: The Hidden Hydrologic Legacy of the 1910 Fire
By Mark Getscher, hydrogeologist for the Coeur d’Alene Tribe More than a century after “The Big Burn” of 1910 scorched over three million acres across northern Idaho and western Montana, its legacy continues to flow through the streams and rivers of the Coeur d’Alene Basin. While most remember the fire for its devastation and heroism, far fewer realize its silent and lingering impact on water quality. High-intensity wildfires combust vegetation and organic soil layers, converting them into ash. This ash is…
BSU Team Develop New Approaches to Estimating Contributions to Streamflow
Boise State University faculty Anna Bergstrom and her team investigated rain and snowmelt contributions to streamflow in the Mores Creek Watershed spanning the rain-snow transition zone in southwestern Idaho. Researchers commonly use naturally occurring water isotopes to track water sources allowing for the quantification of if streams are sourced from rain or snow. By developing new approaches to define rain and snow isotopic signatures, Bergstrom and team found that streamflow contribution estimates can vary by up to 20%, depending on…
IWRRI Grant Recipients Work on Irrigation Efficiency in Southern Idaho
University of Idaho faculty Karen Humes and Russell Qualls, along with their students, analyzed 30 years of crop water use data in southern Idaho to understand variations in irrigation application needs. Their research examined how differences in wet versus dry years and cool versus warm years influence crop water use and irrigation needs. By considering forecasted climate conditions, farmers can make informed decisions about crop selection and irrigation allocation, optimizing water use and improving overall agricultural efficiency.
