Final answer:
A pharmacy must have both hot and cold running water for sanitation and preparation tasks, ensuring patient safety and regulatory compliance.
Step-by-step explanation:
A pharmacy's prescription department must have hot and cold running water to ensure proper sanitation and the ability to perform various tasks that require different water temperatures. For example, hot water is crucial for sanitizing equipment and surfaces, whereas cold water is often used for preparing certain medications or reconstituting powdered drugs. Compliance with these requirements ensures patient safety and adherence to health regulations.