Clean some water in sewer (5)

I believe the answer is:

rinse

'clean' is the definition.
(thesaurus)

'some water in sewer' is the wordplay.
'some' says the answer is hidden in the clue (some of the parts of the word are used).
'RINSE' can be found hidden inside 'water in sewer'.

(Other definitions for rinse that I've seen before include "Hair preparation" , "Wash in clean water" , "Colour" , "Swill out" , "Sluice" .)

I've seen this clue in The Telegraph.

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