The number one item listed under emergency equipment and supplies is:

Water is recognized as the number one item under emergency equipment and supplies because it is essential for survival. In any emergency situation—whether it be natural disasters, extended power outages, or other crises—access to clean drinking water is crucial for maintaining hydration, health, and overall well-being.

The human body can survive only a few days without water, while it can sustain longer periods without food. Therefore, ensuring an adequate supply of clean water is a top priority in any emergency preparedness plan. This fundamental need drives the emphasis on water, as it plays a vital role in preventing dehydration and its associated health risks.

In contrast, while food, first aid supplies, and portable toilets are also important, they can be secondary in terms of immediate survival needs. Food is necessary for long-term sustenance, first aid supplies are essential for treating injuries, and portable toilets provide sanitation, but none of these can replace the immediate need for water. Hence, the prioritization of water aligns with the basic human requirements for survival in emergencies.