Glossary


At the end of each definition in this Glossary there is a number in brackets. This indicates the number of the Study Session where the term is first used in this OpenWASH module.

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O

operation

routine activities and procedures that are implemented to ensure that the water supply system is working efficiently (6)


operation and maintenance (O&M)

(of a water supply system) all the activities needed to run the system continuously to provide the necessary service (6)


organic matter

material that comes from living organisms (4)



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