methods not to be used in disposal of urine and faeces when no sewage system is available
Answers
Answer:
(a) allowing untreated sewage to flow into rivers
Disposal of untreated sewage directly into rivers can result in serious water pollution. This, in turn, can result in major health hazard for fish, birds, animals and humans. Polluted water is unsuitable for drinking, agriculture and industry.
Answer:
Sewage is disposed of in several ways, mainly two: removal in a waterborne sewer systems (sewerage) or disposed via an on-site sanitation system (pit latrines or septic tanks). The former has become standard practice in built-up areas, most cities and industrial complexes.
Treatment plants. Municipal sewage systems feed directly into sewage treatment plants. ...
Sewage lagoons. Sewage lagoons are exactly what they sound like. ...
On-site systems. ...
Off-site systems. ...
Full sewage systems.