USP revises Chapter <1231> on Pharmaceutical Water
Recommendation
14-16 October 2025
GMP Compliance and Technology for the Manufacture of Oral Solid Dosage Forms
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Changes to the fundamental monograph on pharmaceutical water <1231> Water for Pharmaceutical Purposes from the US-American Pharmacopeia have been published for comments in the Pharmacopeial Forum 41(5). The revision presented in the current draft mainly has a structural nature. The content of the monograph has been reorganised in 9 new chapters which aim at improving readibility and searchability of the content searched:
1. INTRODUCTION
2. SOURCE WATER CONSIDERATIONS
3. WATERS USED FOR PHARMACEUTICAL MANUFACTURING AND TESTING PURPOSES
4. VALIDATION AND QUALIFICATION OF WATER PURIFICATION, STORAGE, AND DISTRIBUTION SYSTEMS
5. DESIGN AND OPERATION OF PURIFIED WATER AND WATER FOR INJECTION SYSTEMS
6. SAMPLING
7. CHEMICAL EVALUATIONS
8. MICROBIAL EVALUATIONS
9. ALERT AND ACTION LEVELS AND SPECIFICATIONS
The draft document is available for free on the website of the USP Pharmacopeial Forum. You only need to register for free. The deadline for comments is 20 November 2015.
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