Like deekum1627 said, probably just a seal. Replace or as I did got cheap on my Montero when that happened and drilled a couple holes in the bottom. Water gone... Of course it always looked a little cloudy but didn't feel like spending money on it at the time.
'14 Wrangler Unlimited, Anvil (traded '14 Cherokee)
'09 Wrangler Unlimited X, Red
'00 Cherokee Sport, Blue - gone but not forgotten
'90/'91 4dr Montero's - gone but not forgotten
Impulse eliminates planning ... that's a good thing