Planned maintenance

We must perform activities that will impact the ability to place orders on our website. Starting Friday, May 21, at 5:00 p.m. Eastern to Sunday, May 23, at 5:00 p.m. Eastern, you will not be able to order products on our website. You will still be able to browse atcc.org and access your account. We apologize for any inconvenience this work may cause.
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Water and Environmental

The diversity of the microbial world is well-represented in the ATCC microbiology collections, including strains used for water and environmental testing, bioremediation, and extremophile research.
BioMerieux bacteria counter

Environmental Testing

Use ATCC microbial strains to analyze the complex relationship between microbes and their impact on local environments.
scanning electron micrograph (SEM) of an untreated water specimen, Janice Haney Carr, CDC

Water Testing

ATCC offers a broad range of microbial strains for use in water testing, including Enterococcus, Escherichia, Proteus, and Giardia species.