Sewage sludge standards help protect public health and the environment

Biosolids undergo treatment to make them safe for land application. Learn more.

The nutrients and organic material help condition soils and improve crop yields.

An example of biosolids application to a wheat field. Learn more.

There are various forms and methods for applying biosolids.

Here is a specific example of a more solid form of biosolids cake being applied by a manure spreader.

Biosolids Annual Program Report Due February 19th

If you have reporting questions please call 877-227-8965 or email (NPDESeReporting@epa.gov) for assistance.

For additional information:  Biosolids Annual Program Reports