Global Journal of Science Frontier Research, H: Environment & Earth Science, Volume 23 Issue 1

Hydrochemical Assessment of Surface and Groundwater in Some Selected Communities of Borno and Yobe State S. Adamu α , H. M. Sadiq σ , A. K. Yusuf ρ , M. M. Aji Ѡ & M. Muhammad ¥ Abstract - The study area comprises three communities of Ala, Daura in Borno State and Kyalari in Yobe State, North-eastern Nigeria which forms part of the Chad Basin. Twenty five (25) water samples were collected from major sources which comprises of nine (9) hand dug wells, ten (10) surface water and six (6) boreholes. The physical parameters analyzed revealed pH values ranging from 6.5 - 8.1 and electrical conductivity varies between 67 – 1050mµ/cm. The results of the chemical parameters shows that Ca 2+ ranges between 3.5 to 66.5mg/l, while Mg 2+ varies from 4.8 to 28.2mg/l, Na + and K + varies between 0.7 to 1241.0mg/l and2.0 to 112.0mg/l respectively. HCO 3 - ranges from 77.5mg/l to 337.0mg/l while Cl - varies from 4.0 to 160.0mg/l. The concentration of SO4 - varies between 0.7mg/l to 283.0mg/l. This study confirms that they are normal for domestic, agricultural and small scale irrigation purposes. The study shows that some cation and anion are within WHO limits of 2020 permissible limit of drinking water standard except for WARODI wells which show abnormally higher values above the WHO standard. The mean concentration of the cations shows that Na + > Ca 2+ > K + > Mg 2+ while for the anions are HCO 3 - > SO4 - > Cl - respectively. Keywords: surface water, groundwater, concentration, communities, boreholes, hand dug wells and warodi. I. I ntroduction hree communities of Ala in Marte local government and Daura in Damasack local government of Borno State and Kyalari in Yunusari local government of Yobe State located within the Nigerian sector of the Lake Chad Basin within latitudes 11 0 25 1 to 13 0 30 1 N and longitudes 11 0 35 1 to 14 0 00 1 E (Figure 1). Figure 1: Location of the Study Area ( After Genik, 1993) Author α σ Ѡ : Department of Geology University of Maiduguri, Nigeria, e-mail: anjusadiq@yahoo.com Author ρ : Center for Arid Zone Studies University of Maiduguri, Nigeria. Author ¥ : Federal Polytechnic of Oil and Gas Bonny, Rivers State Nigeria. The study area is wholly underlain by the sedimentary rocks dominated by late Plio-pleistocene Chad Formation, consisting of interbedded clays, silts and subordinates sands of continental origin probably T 1 Year 2023 55 © 2023 Global Journals Global Journal of Science Frontier Research Volume XXIII Issue ersion I VI ( H )