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Managing the microbiological risks of drinking water.
Daniel Krewski1, John Balbus, David Butler-Jones
1McLaughlin Centre for Population Health, Institute of Population Health, University of Ottawa, Ottawa, Ontario, Canada. dkrewski@uottawa.ca
Journal of Toxicology and Environmental Health. Part A
|September 17, 2004
Summary
Ensuring safe drinking water involves understanding microbial risks and implementing robust management strategies. This includes monitoring indicator organisms and applying effective water treatment to prevent water-borne diseases.
Area of Science:
- Environmental microbiology
- Public health
- Water quality management
Background:
- Microbiological contamination of drinking water poses significant health risks, as evidenced by recent Canadian disease outbreaks.
- Effective management of drinking water quality is crucial for consumer health and safety.
Purpose of the Study:
- To examine factors influencing drinking water's microbiological quality and its management.
- To present frameworks for health risk assessment and risk management in drinking water.
- To guide the development of national drinking-water quality guidelines.
Main Methods:
- Development of a protocol for microbiological risk assessment.
- Application of a risk management framework for national guidelines.
- Monitoring of indicator organisms and implementation of water treatment processes.
Main Results:
- Established frameworks for logical risk characterization, evaluation, and control.
- A risk management framework now informs Canada's national drinking-water quality guidelines.
- Monitoring and treatment are key recommendations for safeguarding health.
Conclusions:
- Understanding pathogen biology is essential for effective testing and risk appraisal.
- Improvements in surveillance, monitoring, and risk characterization are vital.
- Concepts like multiple barriers and total quality management enhance water safety.