Question

why untreated human excreta is a health hazard? explain.

Answer 1

the untreated human excreta is a health hazard . it causes soil and water polluted . People defecate in the open , on dry river beds , on railway tracks , near the fields and even directly into the water body .
This also causes land and water pollution which consequnently results in diseases .

Answer 2

human excreta is health hazard when remain untreated because if they are release in water and someone uses it for drinking ,it may cause diseases like cholera ,typhoid etc . it also cause pollution in enviroment