Adesakin Taiwo Adekanmi, Oyewale Abayomi Tolulope, Bayero Umar, Mohammed Abubakar Ndagi, Aduwo Iduwo Adedeji, Ahmed Precious Zubeidat, Abubakar Niima Dalhata, Barje Ibrahim Balkisu
Department of Biology, Faculty of Life Sciences, Ahmadu Bello University, Zaria, Nigeria.
Institute of Ecology and Environmental Studies, Faculty of Science, Obafemi Awolowo University, Ile-Ife, Nigeria.
Heliyon. 2020 Aug 25;6(8):e04773. doi: 10.1016/j.heliyon.2020.e04773. eCollection 2020 Aug.
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 × 10 ± 1.25 × 10, 5.67 × 10 ± 8.49 × 10, 2.60 × 10 ± 6.09 × 10, 5.07 × 10 ± 1.59 × 10 and 6.02 × 10 ± 3.69 × 10) exceeded the WHO permissible limits for drinking water (<500 cfu/ml). High abundance of isolated bacteria genus such as , , , and 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.
供水质量通过其物理化学和细菌学特性进行评估。本研究旨在确定尼日利亚中北部扎里亚萨马鲁社区生活水源的污染水平，以便观察这些水源质量的变化趋势（如有）。这是为了保护沿岸用户的公众健康，防止可能爆发的水源性疾病。使用标准程序采集水样并分析其细菌学和物理化学质量。结果表明，除了钻孔水中记录的氯化物平均值为314±142.4毫克/升外，生活水源中记录的物理化学参数平均值在世界卫生组织规定的安全饮用水限值范围内。自来水管、钻孔、水井、水库和河水样本中记录的总异养细菌计数（3.67×10±1.25×10、5.67×10±8.49×10、2.60×10±6.09×10、5.07×10±1.59×10和6.02×10±3.69×10）超过了世界卫生组织规定的饮用水允许限值（<500 cfu/ml）。在井水、河水和水库水系统中记录到大量分离出的细菌属，如 、 、 、 和 。细菌总数与物理化学参数之间存在很强的正相关，这表明这些参数影响细菌生长。这些细菌属在水源中的出现被认为可能对消费者造成潜在的健康后果。因此，在沿岸用户使用之前，应确保对萨马鲁社区的生活水源进行适当的净化和处理。
