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Wasted ink on waste water?

What is the difference between sewer and wastewater?
Sewage contains everything that wastewater does.
As we said, it is in fact a subset of wastewater.
The only difference is that wastewater can come from anywhere while sewage only comes from the toilet.
What is sewage waste water?
Sewage is the part of wastewater that is contaminated with feces or urine, but is often used to mean any wastewater.
What does untreated wastewater contain?
Untreated sewage may contain water; nutrients (nitrogen and phosphorus); solids (including organic matter); pathogens (including bacteria, viruses and protozoa); helminthes (intestinal worms and worm-like parasites) ; oils and greases; runoff from streets, parking lots and roofs; heavy metals (including mercury,
Wastewater contains nitrogen and phosphorus from human waste, food and certain soaps and detergents.
Once the water is cleaned to standards set and monitored by state and federal officials, it is typically released into a local water body, where it can become a source of nitrogen and phosphorus pollution.

What is the difference between sewer and wastewater?