Contamination Status of Salmonella spp., Shigella spp. and Campylobacter spp. in Surface and Groundwater of the Kelani River Basin, Sri Lanka
Waterborne diseases are a global problem that causes more than 2.2 million deaths annually. Therefore, the present study was focused on microbiological contamination of both ground and surface water by means of total coliform, Escherichia coli (E. coli), Salmonella spp., Shigella spp. and Campylobac...
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| Veröffentlicht in: | Water (Basel) 2020-08, Vol.12 (8), p.2187 |
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| creator | Mahagamage, M.G.Y.L Pathirage, M.V.S.C Manage, Pathmalal M |
| description | Waterborne diseases are a global problem that causes more than 2.2 million deaths annually. Therefore, the present study was focused on microbiological contamination of both ground and surface water by means of total coliform, Escherichia coli (E. coli), Salmonella spp., Shigella spp. and Campylobacter spp. Seventy two groundwater and 45 surface water sampling locations were selected to collect water from the head, transitional and meandering regions of the Kelani River Basin for a period of one year (both dry and wet seasons). The results of the study revealed that the entire Kelani River basin was contaminated with total coliform and E. coli bacteria and almost all the sampling locations exceed Sri Lanka Standards Institute (SLSI) guideline value given for drinking water (0 CFU/100 mL). Further, in groundwater, 17 locations were positive for Salmonella spp., whereas only 2 locations were positive for Campylobacter spp. In surface water, 26 and three sampling locations were positive for Salmonella spp. and Campylobacter spp., respectively. In this study, 23 different human pathogenic serovars were isolated and the Salmonella enterica serovar Kentucky was identified as the commonest type. Thus, the result of the study revealed that the consumption of raw water from the Kelani River Basin is unsafe and possible to cause gastrointestinal diseases. |
| doi_str_mv | 10.3390/w12082187 |
| format | Article |
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Therefore, the present study was focused on microbiological contamination of both ground and surface water by means of total coliform, Escherichia coli (E. coli), Salmonella spp., Shigella spp. and Campylobacter spp. Seventy two groundwater and 45 surface water sampling locations were selected to collect water from the head, transitional and meandering regions of the Kelani River Basin for a period of one year (both dry and wet seasons). The results of the study revealed that the entire Kelani River basin was contaminated with total coliform and E. coli bacteria and almost all the sampling locations exceed Sri Lanka Standards Institute (SLSI) guideline value given for drinking water (0 CFU/100 mL). Further, in groundwater, 17 locations were positive for Salmonella spp., whereas only 2 locations were positive for Campylobacter spp. In surface water, 26 and three sampling locations were positive for Salmonella spp. and Campylobacter spp., respectively. In this study, 23 different human pathogenic serovars were isolated and the Salmonella enterica serovar Kentucky was identified as the commonest type. Thus, the result of the study revealed that the consumption of raw water from the Kelani River Basin is unsafe and possible to cause gastrointestinal diseases.</description><identifier>ISSN: 2073-4441</identifier><identifier>EISSN: 2073-4441</identifier><identifier>DOI: 10.3390/w12082187</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Bacteria ; Campylobacter ; Cellulose acetate ; Contamination ; Developing countries ; Disease ; Drinking water ; E coli ; Environmental aspects ; Gastrointestinal diseases ; Groundwater ; LDCs ; Medical research ; Membrane filters ; Microbial colonies ; Microbial contamination ; Microorganisms ; Rainy season ; Raw water ; River basins ; Rivers ; Salmonella ; Sanitation ; Shigella ; Surface water ; Surface-groundwater relations ; Water analysis ; Water pollution ; Water sampling ; Water, Underground ; Waterborne diseases</subject><ispartof>Water (Basel), 2020-08, Vol.12 (8), p.2187</ispartof><rights>COPYRIGHT 2020 MDPI AG</rights><rights>2020. 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Therefore, the present study was focused on microbiological contamination of both ground and surface water by means of total coliform, Escherichia coli (E. coli), Salmonella spp., Shigella spp. and Campylobacter spp. Seventy two groundwater and 45 surface water sampling locations were selected to collect water from the head, transitional and meandering regions of the Kelani River Basin for a period of one year (both dry and wet seasons). The results of the study revealed that the entire Kelani River basin was contaminated with total coliform and E. coli bacteria and almost all the sampling locations exceed Sri Lanka Standards Institute (SLSI) guideline value given for drinking water (0 CFU/100 mL). Further, in groundwater, 17 locations were positive for Salmonella spp., whereas only 2 locations were positive for Campylobacter spp. In surface water, 26 and three sampling locations were positive for Salmonella spp. and Campylobacter spp., respectively. 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| subjects | Bacteria Campylobacter Cellulose acetate Contamination Developing countries Disease Drinking water E coli Environmental aspects Gastrointestinal diseases Groundwater LDCs Medical research Membrane filters Microbial colonies Microbial contamination Microorganisms Rainy season Raw water River basins Rivers Salmonella Sanitation Shigella Surface water Surface-groundwater relations Water analysis Water pollution Water sampling Water, Underground Waterborne diseases |
| title | Contamination Status of Salmonella spp., Shigella spp. and Campylobacter spp. in Surface and Groundwater of the Kelani River Basin, Sri Lanka |
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