The design of water supply systems in pharmaceutical manufacturing should consider: Response:

Question

Options

• AThe color of the water
• BTaste preferences of the staff
• CUnit operations like dechlorination and reverse osmosis
• DThe proximity to natural water bodies

• A
  17% (8)
• B
  4% (2)
• C
  70% (33)
• D
  9% (4)

Explanation

Pharmaceutical water supply systems must meet stringent purity standards, which requires specific unit operations - sequential treatment processes - such as dechlorination (removing chlorine that can degrade equipment or products), reverse osmosis (removing dissolved solids, ions, and microorganisms), distillation, and deionization to produce Water for Injection (WFI) or Purified Water grades defined in pharmacopeias like USP/EP.

Why the distractors are wrong:

• A (color) - Water color is not a design parameter; pharmaceutical water must meet chemical and microbial specifications, not aesthetic ones.
• B (taste preferences) - Irrelevant in a GMP environment; water quality is governed by regulatory specifications, not staff preference.
• D (proximity to natural water bodies) - While source water matters, proximity alone is not a design consideration; the treatment train is what ensures quality regardless of source.

Memory tip: Think of pharmaceutical water as needing a "treatment passport" - it must pass through documented, validated unit operations (RO, dechlorination, distillation, etc.) before it's fit for manufacturing. If a choice sounds like it belongs in a restaurant or tourism brochure (color, taste, scenery), it's wrong.

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