You will notice more water if you live in a high humidity area.
In the good old days the coils could completely freeze over and this would make your A/C stop working. Also if the drain plugs get clogged, the water would be back up and your car would smell like a dead animal after a while.
Son - 06 TSX 5AT w/ Navi, Carbon Gray w/ Quartz (handed down for 16th B-day Mar/14)
His - 08 RDX Tech, Moroccan Red Pearl w/ Taupe (finally replaced Takata airbag on 6/16/16 after 86 days with rental)
Her - 11 MDX Adv/Ent, Palladium Metallic w/ Ebony