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This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2025. This website is no longer updated and links to external websites and some internal pages may not work. More information »

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  2. Mold

Learn about Mold

Learn about mold growth indoors, including topics like basic information about indoor mold growth, how mold can affect health and mold testing. Also, find EPA mold resources, including frequent questions, mold publications, images and a glossary of terms.

  • Ten Things You Should Know about Mold
  • Mold and Health
  • Mold Cleanup
  • Mold Testing or Sampling
    • Indoor Air Regulations and Mold
  • Frequent Questions about Mold
  • Mold Publications
  • Find Local Help and Resources
    • Mold Image Gallery
    • Glossary of Mold Terms
  • What Are Molds?

More information for Homes, Large Buildings and Schools

  • Mold and Your Home
  • Large Buildings and Mold
  • Schools and Mold and Indoor Air Quality

Mold

  • Indoor Air Quality Home Page
  • Mold Home Page
  • Flood Cleanup
  • Learn about Mold
    • Ten Things You Should Know About Mold
    • Mold and Health
    • Mold Cleanup
    • Mold Testing and Sampling
    • Frequent Questions about Mold
    • Mold Publications
  • Schools and Commercial Buildings
  • Resources for Public Health Professionals
  • Interactive Mold House
Contact Us about Mold
Contact Us about Mold to ask a question, provide feedback, or report a problem.
Last updated on November 27, 2024
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