Endfield_Object_Class / NATURALS
Sewage
"AIC sewage as well as raw and/or polluted water in the wildlands often contain a wide range of contaminants and must undergo proper treatment for industrial use."
Operational_Usage
Waste water containing plenty of contaminants. Treatment is necessary to make it safe for use (actually no use, use Water Treatment Unit to clean it or it's gonna clog your facilities).