Multi-barrier approach


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Terms & Synonyms

Official WHO Definition

An integrated system of procedures, processes and tools that collectively prevent or reduce the contamination of drinking water from source to tap in order to reduce risks to public health.

Other Definitions


Interpretations and Explanations

The goal of this approach is to reduce the risk of contamination of the drinking water, and to increase the feasibility and effectiveness of remedial control or preventative options. Elements of the MBA include, but are not limited to, source water protection, drinking water treatment, and the drinking water distribution system.


Health Canada

WHO Lexicon page (translations and examples)

See also

External Resources


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