...And Not a Drop to Drink

 is a perk in Fallout: New Vegas.

Requirements
To get this challenge the player must consume 100 water items. Water items include bottled water, either purified or dirty. Drinking from an environmental water source does not count (Sink, River, Etc).

Effects
Adds the Camel of the Mojave Perk, granting +15% hydration from bottled water items.