AWWA Webcast Focuses on Mussel Control

The growing problem of quagga/zebra mussels clogging water infrastructure is the subject Feb. 25 Webcast presented by the American Water Works Association (AWWA).

The Webcast, which begins at 1 p.m. Eastern time, will explain how mussels can significantly reduce water flow and pumping capability due to pipe constriction, clogged screens, heat exchangers, and in-plant piping systems. Taste and odor problems associated with dead mussels also have been reported.

Researchers have identified and developed a range of control methods that are environmentally acceptable and cost-effective. Methods currently in use include chemical, physical, and mechanical approaches. The Webcast will cover the source of mussel infestation, impact on water infrastructure, public outreach efforts to control the spread of mussels, and methods for controlling the impact of quagga and zebra mussels.

Presenters include:

  • Philip Moy, Fisheries and Invasive Species specialist, University of Wisconsin Sea Grant Institute;
  • Ric De Leon, Microbiology Unit manager and program manager, Quagga Mussel Control Program at the Metropolitan Water District, Southern California;
  • John Presogna, Lab and Water Quality manager, Erie Water Works, Pa.;
  • Paul Vojtek, chief executive officer, Erie Water Works.

For more information, go to

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