What is the highest fall you can survive into water?
What is the highest fall you can survive into water? The upper survival limits of human tolerance to impact velocity in water are evidently close to 100 ft/sec (68.2 mph) corrected velocity, or the equivalent of a 186-foot free-fall.
What happens if you jump into water from a great height?
Even if you enter feet-first in a straight, vertical line, and like a pencil, that impact can be strong enough to compress your spine, break bones, or give you a concussion. The force of the water can knock people unconscious on impact, and even if you survive, you may drown.