[edflsafoiewq]

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

[ravenstine]

I guess I was using the wrong keyword. That's pretty amazing!