An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Mold

Mold

Molds are part of the natural environment, and can be found everywhere, indoors and outdoors. Mold is not usually a problem, unless it begins growing indoors. The best way to control mold growth is to control moisture. This website provides guidance about mold and moisture for homes, schools, multifamily and commercial buildings. Molds can have a big impact on indoor air quality.

Learn about Mold

magnifying glass over the word moldLearn about mold growth indoors, including topics like:

Resources for Health Professionals

Mold resources for health professionalsFind useful resources to gain more technical knowledge and to help you connect with your audience about mold and indoor air quality. 

Homes

Mold and Homes Learn about mold growth in homes, including topics like:

Schools and Commercial Buildings

Mold information for schools and commercial buildings Learn about mold growth in schools, including topics like: