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Purified Water Systems Testing

The microbiological quality of the purified water and compendial water systems at your consumer product manufacturing or pharmaceutical production site is an essential part of safety and compliance. At Perritt Laboratories, our FDA-registered, cGMP-compliant and ISO 17025:2017 accredited environment allows us to perform the testing, validation, and monitoring of your water systems, which gives you the documentation you require for regulatory compliance and internal decision-making.

Testing Methods and Standards

At Perritt Laboratories, we perform testing according to:

  • United States Pharmacopeia (USP) methods.
  • European Pharmacopoeia (Ph. Eur. or EP) methods.
  • Japanese Pharmacopoeia methods.
  • AOAC Official Methods of Analysis.
  • American Society for Testing and Materials (ASTM) testing standards.
  • Association for the Advancement of Medical Instrumentation (AAMI) testing standards.
  • Standard Methods for the Examination of Water and Wastewater.

The Water Testing We Provide 

Perritt Laboratories supports the pharmaceutical, health and beauty, consumer product, and industrial and chemical sectors with:

We check for regulatory compliance using Heterotrophic Plate Count (HPC) and other analytical procedures to test against the standards outlined in:

  • United States Pharmacopeia(USP) and European Pharmacopeia (Ph. Eur. or EP) Water Monograph Testing
  • Water system qualification according to United States Pharmacopeia (USP) <1231> Water for Pharmaceutical Purposes
  • Total Organic Carbon USP <643>
  • Conductivity USP <645>

Our testing detects, identifies, and quantifies microorganisms in water, using:

  • Testing for cColiform bacteria using Standard Methods for the Examination of Water and Wastewater (Part 9000)
  • Purified water, Total Organic Carbon (TOC), and conductivity testing
  • Microbial identification

We provide you with documentation to determine whether your water system meets relevant quality standards and offer ongoing, routine purified water system monitoring and testing to ensure your system remains within validated parameters. We offer:

  • Validation, qualification and routine monitoring
  • Method recovery studies in line with the best-practice guidelines found in USP <1231>, Water for Pharmaceutical Purposes and USP <1227>, with suitability demonstrated using protocols required by USP <61>, <62>, or <71>, depending on the application.
A waterdrop about to fall into a testing tube from a pipette
A waterdrop about to fall into a testing tube from a pipette
A waterdrop about to fall into a testing tube from a pipette
A waterdrop about to fall into a testing tube from a pipette

Why Choose Perritt Laboratories?

Testing purified water systems to compendial standards may reduce contamination risks, product failures, regulatory noncompliance penalties, and lab inaccuracies. Undetected impurities, bacteria, and other contaminants can ruin batches and lead to downtime that impacts patients or consumers.

At Perritt Laboratories, our decades of experience in nonsterile pharmaceutical microbiological testing allow us to detect hidden contaminants, reducing the risk of biofilm contamination. We test for compliance with compendial standards, so you have the data you need to complete audits and proactively protect your production uptime. 

With our consultative approach, we offer tailored services that meet your needs. Our end-to-end solutions may include a review or implementation of your water system installation, operational and performance qualification methodology(IQ/OQ/PQ) and routine monitoring.

We understand the differences between compendial water monographs and what it takes to help you achieve compliance. Our name on a test report carries significant authority that regulators look for.

Contact Us for Water System Testing Services

At Perritt Laboratories, our team gets to know you by name, not client number. Our family-owned laboratory offers deep regulatory expertise combined with robust quality systems to help you meet high standards of water quality. Contact us to discuss your needs.

Contact Us
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