Specifically, deep water is more dangerous in terms of cold water shock. In the first 3-5 minutes after entering cold water there can be a gasp reflex or muscle spasms that might cause intake of water into the lungs.

Water depth is an important safety consideration for all swimming locations, including pools and natural bodies of water. The hazard posed by deep water is closely tied to swimming ability, and the definition of deep depends on a person’s height. Nonswimmers of all

Water users can be informed of how to reduce their risk of drowning by following signage instructions. Informs water users of what to do in an aquatic emergency and where first aid or lifesaving equipment is located. A number of comprehensive water signage designs are free to access and may be adaptable to suit different contexts. Disadvantages

If nonswimmers cannot be isolated from deep water, it is essential that they wear properly fitted, approved life jackets, both in pools and natural waters. Underwater Hazards – Drop-offs, rocks, trash, debris, weeds, stumps and muddy bottoms threaten safety and enjoyment.