6 Articles found

Canadian Water and Wastewater Association (CWWA) Articles

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  Aeration decreases THMs

  WITH HIGH LEVELS of trihalomethanes (THMs), the township of North Shore in Northern Ontario, Canada, explored treatment options at its Serpent River`Water Treatment Plant. The Serpent River treatment process includes slow-sand filtration. limestone ...

  Mar. 29, 2010 David Spacek
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  Building a filter defense against Zebra and Quagga mussles

  Tiny mussels can create massive problems for intake structures, vaLves, pumps, screens and other water infrastructure around the US. Some filtration systems can provide chemical-free protection against invasive zebra and quagga mussels, but it is ...

  Mar. 29, 2010 Jim Lauria
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  Rainwater harvesting: An untapped resource

  The collection of rainwater as a source of relatively clean water has been a common practice of humankind since the dawn of civilization. Before the development of any treatment processes, it was the primary source of potable water for those people ...

  Mar. 29, 2010 Peter S. Cartwright
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  On tap: recreational waterborne disease at an all-time high

  Levels of recreational waterborne disease are at their highest since reporting began in 1978, suggesting the need for interventions aimed at reducing risks in natural and treated water systems. More outbreaks are reported related to recreational  ...

  Mar. 29, 2010 Kelly A. Reynolds
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  House of commons committee on natural resources

  Introduction The Canadian Water and Wastewater Association represents the interests of municipal water and wastewater services in respect of federal or national legislation, policies and programs. More than 24 million Canadians receive drinking ...

  Mar. 23, 2010 T. D. Ellison, Sean Bolongaro
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  House of commons committee on transport, infrastructure and communities

  The Canadian Water and Wastewater Association represents the interests of municipal water and wastewater services in respect to federal or national legislation, policies and programs. More than 24 million Canadians receive drinking water from ...

  Mar. 23, 2010 T. D. Ellison