Support for sources of fresh water? Hear, hear! (4,4)

I believe the answer is:

well said

I'm a little stuck... Click here to teach me more about this clue!

'fresh water? hear hear' is the definition.
I know nothing about this answer so I can't judge whether this works.

'support for sources' is the wordplay.
'support' becomes 'aid' (to aid is to help or support).
'for' says to put letters next to each other (I've seen this in other clues).
'sources' becomes 'wells' (well is a kind of source).
'aid' after 'wells' is 'WELL SAID'.

'of' acts as a link.

Can you help me to learn more?

I've seen this clue in The Guardian.

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