Assessment of bacteriological quality and physico-chemical parameters of domestic water sources in Samaru community, Zaria, Northwest Nigeria

Heliyon

Abayomi Tolulope Oyewale¹  Niima Dalhata Abubakar²  Abubakar Ndagi Mohammed²  Taiwo Adekanmi Adesakin²  Iduwo Adedeji Aduwo²  Ibrahim Balkisu Barje²  Precious Zubeidat Ahmed³  Umar Bayero⁴ 

[1] Corresponding author.;Department of Biology, Faculty of Life Sciences, Ahmadu Bello University, Zaria, Nigeria;Department of Zoology, Faculty of Science, Obafemi Awolowo University, Ile-Ife, Nigeria;Institute of Ecology and Environmental Studies, Faculty of Science, Obafemi Awolowo University, Ile-Ife, Nigeria;

关键词: Domestic water sources;    Physico-chemical parameter;    Bacteriological quality;    Pathogen;    Contamination and treatment;   

DOI  :  

来源: DOAJ

【 摘 要 】

The quality of water supply is assessed by its physico-chemical and bacteriological properties. This study was carried-out with the aim of determining the contamination level of domestic water sources of Samaru community, Zaria, Northcentral Nigeria in order to observed the trend of change in quality of these water sources, if any. This was with a view to safeguard the public health of the riparian users against a possible outbreak of water borne diseases. Water samples were collected and analyzed for bacteriological and physicochemical quality using standard procedures. The results showed that the mean values recorded for physico-chemical parameters among the domestic water sources were within stipulated limits of WHO for safe drinking water except for chloride mean value of 314 ± 142.4 mg/L recorded in borehole water. The total heterotrophic bacterial counts recorded in tap, borehole, well, reservoir and river water samples (3.67 × 106 ± 1.25 × 106, 5.67 × 106 ± 8.49 × 105, 2.60 × 107 ± 6.09 × 106, 5.07 × 106 ± 1.59 × 106 and 6.02 × 107 ± 3.69 × 106) exceeded the WHO permissible limits for drinking water (<500 cfu/ml). High abundance of isolated bacteria genus such as Enterobacter, proteus, Escherichia, Salmonella and Shigella were recorded in well, river and reservoir water systems. There was a strong positive correlation between the total bacteria count and physico-chemical parameters, which suggested that the parameters influenced bacterial growth. The occurrence of these bacterial geniuses in the water sources are considered capable to cause potential health consequences for the consumers. Therefore, proper purification and treatment of domestic water sources of the Samaru community should be ensured before being used by the riparian users.

【 授权许可】

Unknown