Tag Archives: Water

Urban Survival Guide to Water

Water (second to oxygen) is our most important nutrient during a survival situation, especially in hot areas where you’d rapidly lose water due to perspiration. Our bodies (depending on environment) can survive a maximum of roughly three days without the intake of water. This is assuming you’re at sea level with a moderate room temperature and a relative humidity. A typical person will lose about 2 to 3 liters of water per day in normal conditions but depending on the size of the person, physical exertion and temperature they could lose much more. If you were to factor in the conditions usually found in a survival or disaster situation, you could be losing as much as 4 to 6 liters! Cold and hot environments both significantly effect your survivability and you’re water intake will have to be increased. Continue reading