untreated human excreta are a health hazard explain
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Answer:-
Ecological Devastation!
Human sewage pollution will kill the whole ecosystem by using up all the oxygen in the water in its decomposition. E Coli and Cholera bugs in faeces are an enormous health hazard to animals and animals using or bathing in the water. The flushing toilet must NEVER be installed to pipes that do not lead to a fully serviceable sewage treatment plant with any run off water never allowed to enter any part of any watercourse without full and daily tested measurement for toxins B.O.D. and pathogens.
Untreated human excretions are a health hazard. It causes pollution of soil and water including the underground water. When this contaminated water is used for drinking, it can cause diseases such as cholera, typhoid, hepatitis, dysentery, etc., which may even lead to death.