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William Ferriter

NC steps into uncharted waters with Jordan Lake experiment | State Politics | NewsObser... - 0 views

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    Toward the end of his EPA career, Hudnell led a nine-agency effort to address fresh-water algal blooms, he said. The Interagency Symposium on Cyanobacteria Harmful Algal Blooms printed an 885-page report, now hosted at EPA.gov. The report linked algae growth to an increase in nutrient pollution and temperatures and the decline of algae-eating organisms.

    In 2007, "that's when I decided, 'The agency's not going to do anything about this,' and I decided I could do better without the agency," he said. "At the time, I decided the best thing out there was the solar-powered circulators."

    Circulation technology, he believes, is the most promising idea among the "in-lake" approaches. By cycling water up from the depths, he said, many municipalities have managed to kill off algae blooms, even in heavily affected sewage ponds.

    The tactic may work by confusing the algae about its depth in the water, Hudnell said, or by making them more vulnerable to algae-attacking viruses. In either case, he said, he has seen results.
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