Received 10 September 2016, accepted 27 December 2016.
Dumping untreated sewage into the environment can be harmful as well as serious health risk. This includes other contamination potentials such as contamination of drinking water sources. Sewage can also directly and indirectly affect human health. The potential toxicity of dumped sewage to free-living organism Caenorhabditis elegans was studied at four different locations within dumping area. The findings showed that all worms were completely paralyzed especially at 100%, 50% and 25% of all the tested locations, after 24 hours of incubation. After 48 hours of incubation, sewage showed higher toxicity in C.elegans, as it produced ~90% mortality in C.elegans with observed paralysis on mobility. There was no significant difference among locations B, C and D on the mortality of C.elegans. Finally, this study gave initial and serious warning to avoid dumping untreated or poorly treated sewage into the environment.
Online ISSN: 1459-0263
Year: 2017, Vol. 15, Issue 1, pages 39-43.Publisher: WFL.
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