Sewage connections that are connected to storm drain pipes can also allow human sewage into surface waters.
A British microbiologist claims he has found a means of using bacteria to dispose of human sewage.
In the second case, cattle feed has been found with human sewage and carcinogenic dioxins.
The most up-to-date research has shown that the most effective way to treat human sewage is by drying it in the sun.
Both are indicators of contamination with animal waste or human sewage.
Experts say that human sewage has relatively little impact on the deep water of the sound.
The water I drank tasted sweet and pure; even if there was contamination from human sewage, it wouldn't matter.
Mr. Spano said the methane gas could be caused by human sewage found in the trenches.
The profusion of human sewage in the Bollin was still around in 1850.