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Technical resources

A large machine called a TerraGator driving through a farm field, spraying biosolids directly on the ground through 6 hoses on the back while an EGLE staff person in a yellow vest supervises
Environment, Great Lakes, and Energy

Technical resources

Contact us

Each county has a specific biosolids coordinator assigned; find your county biosolids program staff.

Microbiology photo gallery

View a collection of phase contrast microscopy photographs of organisms involved in the biological treatment of wastewater. It is the excess cellular mass of these organisms produced during the treatment of wastewater that makes up the "bio" of biosolids!

Check out the gallery