Wiki can be an iffy source. No, mere contact with standing water does nothing. This doesn't really come up in the show, because no one can "stand" on water. What we do have is Brook, who can run on it, Luffy who can still [i]stretch himself[/i] under the damn ocean, and we have example of devil-fruit users standing in ankle-deep water and still using powers. Notably, since nowhere in the show does this come up, we can infer that it doesn't work like that. 

Submersion is where they lose their powers, and by correlation, strength. That's what we have lore-wise