This is the site where Synagro compost is dried and pelletized.
See the Synagro page for this facility.
The Synagro Central Valley Compost Facility processes municipal sewage (AKA biowaste solids, human feces) and greenwaste into compost, concentrates, and fertilizers to sell to nearby farms. According to their website, they process 99,999 tons* of material annually.
1Part of EBMUD region
Synagro products include:
*This number may be an artifact of limits in their software.
**This site does not list East Bay Area locations, though according to Synagro’s Facebook Page and the EBMUD website this facility handles their biowaste solids.