The purpose of this study is to determine hydraulic properties of groundwater in central area of Ondo State using pumping test. The data obtained from area during pumping test sessions which lasted for a period of 7-12 hours for a total of 76 boreholes. The total depth of the drilled boreholes vary from 8.7 m to 50.0 m and an average depth of 27.9 m. The installation depths of the boreholes vary from 8.5 m to 49.7 m, with a mean depth of 26.8 m. The thickness of the aquifer units/screen length is between 2.3-26 m. The results indicate yield capacity (17.28-110.59 m³ /d), hydraulic conductivity (0.1382-48.1210 m/d), transmissivity (2.4705-221.3568 m² /d), storage coefficient or storativity (0.000069 to 0.007496). All the determined hydraulic properties are generally uniform in the area. The generated groundwater potential map shows that most parts (60%) of the area are characterized by fair aquiferous units in terms of their properties. Consequently the result is suggestive of fair water bearing unit and capable of providing a reasonable satisfying and quantifiable amount of water for domestic uses. The findings of this research may serve as baseline information for groundwater exploitation and development in the area.
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