Is this normal? Dealer says it is, but I'm not sure

The water is normal, but don’t drink it. The puddle will evaporate and turn into acid rain.

Yup, the byproduct of a combustion engine is H2O.

+10 internet points for the random mask under the car for no reason.

Yep, it’s normal.

The mask still isn’t effective though.

I believe the added ethanol in fuel increases the water vapor in the exhaust.

That’s the weep hole.

The engine sucks in cold, damp air, mixes it with fuel, and burns it. The steam turns into water when it cools down on the exhaust.