"We thought we'd be fine when we reached the reservoir. All the fresh water we could drink. We didn't bargain on the hundreds of corpses floating in the water."
"Why did we ignore that water purifier when we found it?"
Liquids are a vital class of item that can be found in the World of the Living Dead. Liquids will reduce thirst to any survivors that consume them.
Liquids, above all, they are the key to survival. Deprive your squad members of these and they will be considerable weakened when engaging in combat. Deprive them further and within a week they will go AWOL to find something to drink on their own. All Survivors need to drink 2 liters (2,000 milliliters) per day, but some skills and Infocards can reduce this.