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 (handed down for his 16th B-day) - 06 TSX 5AT w/ Navi, Carbon Gray w/ Quartz
His - 08 RDX Tech, Moroccan Red Pearl w/ Taupe
Her - 11 MDX Adv/Ent, Palladium Metallic w/ Ebony