Crossword Genius

Live close to contaminated water supply (5)

Ross

I believe the answer is:

dwell

'live' is the definition.
(synonyms)

'close to contaminated water supply' is the wordplay.
'close to' says to take the final letters (the close/ending of).
'water supply' becomes 'well' (a well is a source of water).
The final letter of 'contaminated' is 'd'.
'd'+'well'='DWELL'

(Other definitions for dwell that I've seen before include "Reside - linger" , "Remain" , "Think moodily (on something)" , "Harp" , "Abide, reside" .)

I've seen this clue in The Independent.
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