"Only biosolids that meet federal and state standards can be approved by state and local authorities for use on land to improve soil. Biosolids can be used to improve poor soils, or to rebuild soils which have been damaged by improper management."
- Biosolids: Frequently Asked Questions
- The Federal biosolids rule is contained in 40 CFR Part 503. This rule is described in the EPA publication, A Plain English Guide to the EPA Part 503 Biosolids Rule.
- Use the Biosolids Contact Form to submit further questions.
Contact your state environmental agency and county or municipal government for information on regulation of biosolids in your state and community.
For information on obtaining biosolids, please contact your EPA regional or state biosolids coordinator.