HYDROCHEMICAL ASSESSMENT OF SURFACE AND GROUNDWATER QUALITY IN SISIN BAKI, FARIN RUWA AND ENVIRONS, PART OF KURRA SHEET 189 SW, NORTH CENTRAL NIGERIA
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Abstract
The study area, Sisin Baki, Farin Ruwa and environs are located in Wamba Local Government Area of Nasarawa State in Kurra sheet 189 SW, North Central Nigeria. It is bounded by Latitudes 090 00’ 00” N to 090 07’ 30” N and Longitudes 080 35’ 00” E to 080 45’ 00” E, covering an area of about 253 km2. It is underlain by the Basement Complex rocks of north-central Nigeria generally undulating with many reliefs which are influenced by the geology. The topography is characterized by many high mountains and some low lands drained by rivers and streams which are used for agriculture. Twenty-seven (27) samples of both surface water (streams and rivers) and groundwater (boreholes and shallow wells) were collected from the study area following the standard procedure as prescribed by APHA (1995) guidelines. Various physical parameters (T0C, pH, TDS, EC, TH) and chemical parameters such as major anions (Cl−, SO4 2−, CO3 2−, HCO3 2−), and cations (Na+, K+, Ca2+,Mg2+) were analysed using standard procedures. The dominant ions were in the order of Mg > Ca > HCO3 > Na > Cl > K > SO4. The results showed that the groundwater in the area is predominantly suitable for drinking. The assessments of water studied for irrigation show that almost all the water sources of the study area are suitable for irrigation purposes