What does the term "potable" water refer to?

The term "potable" water specifically refers to water that is safe for human consumption. This means that it meets health standards and is free from harmful contaminants, making it suitable for drinking. Ensuring access to potable water is crucial in various settings, including those related to cosmetology, as it is necessary for client safety and sanitation protocols.

Other potential descriptions, such as water being unsuitable for human consumption, or used exclusively for cleaning, do not accurately represent what "potable" means. Therefore, the most precise definition aligns with option B, highlighting the health and safety implications of using water that is safe to drink.