An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »


Fact Sheet: Odor Control in Biosolids Management

Nuisance odors are a common occurrence at wastewater treatment plants, biosolids processing facilities, and biosolids recycling locations where proper management and control are not implemented.

The biosolids and residuals management fact sheet for odor control in biosolids management provides:

  • A description of odor control in biosolids management
  • Applicability to wastewater treatment plants
  • Overview of alternative treatement processes
  • Performance capabilities and data
  • Costs
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.