Biosolids Research

EPA’s Biosolids Program works to leverage resources and knowledge to meet research needs that ensure the latest science is being used to protect public health and the environment.

Learn more about biosolids research at EPA

Per- and Polyfluoroalkyl Substances (PFAS)

The Biosolids Program is working to evaluate PFAS in biosolids in order to protect public health and the environment. Current work includes PFAS risk assessment in biosolids and methods development. 

• EPA's Risk Assessment for PFOA and PFOS in Biosolids
• EPA's Per- and Polyfluoroalkyl Substances (PFAS) Action Plan

EPA Biosolids Webinar Series

Join EPA for its Biosolids Webinar Series, which focuses on regulatory, policy and technical issues, and offers an opportunity for biosolids practitioners to exchange information.

Sign up to be notified about future webinars

Biosolids Annual Reporting

Treatment facilities that meet applicability requirements and either land apply, surface dispose, or incinerate sludge are required to submit a report annually to their permitting authority by
February 19.

Biosolids compliance and annual reporting