Cumulative Uncertainty in Measured Groundwater Iron Content of Rigasa Watershed, Kaduna

Owolabi, Olanrewaju Sharafadeen Babatunde; Okafo, Cordelia Ngozi; Nwude, MO

doi:10.9734/bjast/2016/21541

Cited by 2 publications

(1 citation statement)

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“…Despite the tremendous research works on groundwater quality in Kaduna Basin [25][26][27][28][29][30], these studies are characterized by reports on individual physicochemical elements of water quality, instead of the application of WQI for the appraisal of the quality status of aquifers. Studies around the world are increasingly employing water quality indices [10,11,15,20,22,[31][32][33][34][35][36], for the evaluation of groundwater suitability for drinking.…”

Section: Introductionmentioning

confidence: 99%

Quality reassessment using water quality indices and hydrochemistry of groundwater from the Basement Complex section of Kaduna Basin, NW Nigeria

2020

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Water quality indices allow for defining the acceptable limits for water usage. This paper evaluates the suitability of water for industrial and domestic uses. Hydrogeochemical data were derived from previous studies and exposed to an internal consistency test. Groundwater was classified using physicochemical parameters and water quality indices. Multivariate analysis (factor and clustering analyses) was applied to identify the sources of ions and classify groundwater. Similarly, regression analysis was used to model the hydrochemistry of the study area. Results indicated groundwater of varying quality based on hardness, TDS, EC, chloride, and nitrate. Groundwater classification based on the Chadha diagram revealed a Na-HCO 3 water type in the Kudenda-Nassarawa area. Kaduna South and Kakuri and its Environs have a Ca-Mg-Cl water type. Calcium, Mg, Na, and TDS constituted the major elements influencing the hydrochemistry of groundwater based on regression analysis. Factor analysis showed that aquifers are strongly influenced by rock weathering. Also, cluster analysis revealed different types of water sources based on their hydrogeochemical characteristics. The results of multivariate analysis concurred with Gibb's model. However, groundwater is unsuitable for industrial use since it is undersaturated with calcium carbonate. Thus, water treatment is required to avoid serious corrosion.

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