Not water damage.
Not really, i replaced the screen a few moths ago though... but it was fully functional until last week.
On the other hand my 2 years old nephew dropped a XT925 in the toilet lol... it was there for 30 or 45 minutes, i know it's splash resistant but it's not a freaking submarine... a few hours later (after cleaning it xD) i powered up the phone and surprise! it was working, kinda, no signal and when the battery ran out i couldn't charge it back, it was dead, all i had was a nice kevlar and carbonfiber paperweight xD.
i opened the phone, washed the "sulphated" areas (or however it's called... my english it's a little rusty) with isopropyl alcohol, dried it... and voila! it's been more than a year since that and my brother still uses that phone