no. It doesn't have to do with water. It has to do with geography. Look at the Geography of all the places, and then bywater
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'But Melkor also was there, and he came to the house of Fëanor, and there he slew Finwë King of the Noldor before his doors, and spilled the first blood in the Blessed Realm; for Finwë alone had not fled from the horror of the Dark.'
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