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.
'09 Wrangler Unlimited X, Red
'00 Cherokee Sport, Blue
'90 4dr Montero RS, Silver
Impulse eliminates planning ... that's a good thing