I've done some fairly deep stream crossings before in my TJ and JK's while trying to get from point A to point B ,but to purposely drive through deep water again and again without a snorkel is asking for trouble in my opinion.
2010 JKU Rubicon 3.5" AEV , AEV Pintlers 35" KM2's , AEV Bumpers, AEV Hood / Snorkel
2008 JKU (Daily Driver)
2000 TJ Auto 4.5 RE Superflex ,35" MTZ 's , Warn ,Viking, LoD, RockHard,AEV, JKS, ARB's, Vanco Big Brake Kit ,Currie etc. etc.etc.