Seasonal Variation in Physicochemical Properties of Groundwater, a Case Study of Kamiti-Marengeta Subcatchment Kiambu, Kenya

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dc.contributor.authorAdongo, Miriam Judith
dc.contributor.authorMakokha, Mary Kalibala
dc.contributor.authorObando, Joy Apiyo
dc.contributor.authorOchieng, Jacob Odhiambo
dc.date.accessioned2023-04-04T08:46:29Z
dc.date.available2023-04-04T08:46:29Z
dc.date.issued2022
dc.descriptionArticleen_US
dc.description.abstractThe seasonal variation and quality status of groundwater systems of KamitiMarengeta sub-catchment were evaluated through analysis of boreholes and 17 shallow wells water samples in May 2016 and September 2017. Consequently, the results were compared against the Kenya Bureau of Standards (KEBS) and World Health Organization (WHO) guidelines for drinking water purposes, and its suitability for drinking was established. The results showed that turbidity, calcium, potassium, iron, and fluoride levels in some of the boreholes and pH, calcium, sodium, and iron levels in some shallow wells exceeded the KEBS and WHO standards for drinking water quality. Turbidity, dissolved oxygen, and total hardness significantly varied across the regions of the study, and one-way ANOVA (P < 0.05) indicated a significant difference in the mean concentration of electrical conductivity, turbidity, total hardness, calcium, and iron in boreholes and in all parameters in shallow wells except for magnesium during the two seasons. The findings of this study provide baseline information on the quality of the groundwater systems of the area. It also contributes to knowledge on seasonal variation of groundwater quality of volcanic aquifers like the Nairobi Aquifer System (NAS) which is important for water quality monitoring.en_US
dc.description.sponsorshipVice Chancellor’s Research Grant of 2015/2016 of Kenyatta University.en_US
dc.identifier.citationAdongo, M. J., Makokha, M. K., Obando, J. A., & Ochieng, J. O. (2022). Seasonal Variation in Physicochemical Properties of Groundwater, a Case Study of Kamiti-Marengeta Subcatchment Kiambu, Kenya. Journal of Water Resource and Protection, 14(2), 72-85.en_US
dc.identifier.issn1945-3108
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/25105
dc.language.isoenen_US
dc.publisherScientific Research Publishingen_US
dc.subjectGroundwateren_US
dc.subjectWater Qualityen_US
dc.subjectSeasonal Variationen_US
dc.titleSeasonal Variation in Physicochemical Properties of Groundwater, a Case Study of Kamiti-Marengeta Subcatchment Kiambu, Kenyaen_US
dc.typeArticleen_US
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