Yes it does. > Biosolids are solid organic matter recovered from a sewage treatment process and used as fertilizer. [...] In the United States, as of 2013 abou

Yes it does. > Biosolids are solid organic matter recovered from a sewage treatment process and used as fertilizer. [...] In the United States, as of 2013 about 55% of sewage solids are turned into fertilizer. https://en.wikipedia.org/wiki/Biosolids https://en.wikipedia.org/wiki/Biosolids