Performance targets


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Terms & Synonyms

Official WHO Definition

Health-based targets that are most frequently applied to the control of microbial hazards in piped supplies and are associated with the assessment of a specific technology (WHO 2004).

Other Definitions


Interpretations and Explanations

Control measures should be capable of preventing pathogens from breaching the barriers of source protection, treatment and distribution systems or preventing growth within the distribution system (WHO 2004).  Performance-based targets are most frequently applied to the treatment performance needed to reduce microbial contamination.  A performance target may be applied to a specific system or generalized (e.g. making assumptions about source water quality on all systems of a certain type) (WHO 2004).    


WHO (2004) Guidelines for drinking-water quality

Legionella and the prevention of legionellosis

WHO Lexicon page (translations and examples)

See also

External Resources


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