Technical Resources

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Biosolids Knowledge Center 

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Interested in biogas?


Biosolids Biosolids are the nutrient-rich organic materials resulting from the treatment of domestic waste at a wastewater treatment facility. Through biosolids management, solid residue from wastewater treatment is processed to reduce or eliminate pathogens and minimize odors, forming a safe, beneficial agricultural product.  Biosolids are carefully monitored and must be used in accordance with regulatory requirements.   

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  •  Air Quality Permitting Fact Sheet (2015) 

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WEF Staff Contact for more information:
Lisa McFadden
703-684-2400 ext. 7060