An evaluation of irrigation quality of groundwater from shallow aquifers within Wamba Sheet 210 in Nasarawa State, North Central Nigeria was carried out. The area is located between Latitudes 8°30’N and 9°00’N, and Longitudes 8°30’E and 9°00’E, covering about 3,025 Km2. It is underlain by rocks belonging to the Basement Complex, the Younger Granites, and Cretaceous sedimentary rocks. The results of field tests and laboratory analysis were used in assessing the suitability of groundwater found in the area for irrigation. Values obtained for Sodium Adsorption Ratio (SAR), Soluble Sodium Percentage (SSP), Magnesium Adsorption Ratio (MAR) and Kellys Ratio (KR) were 0.97 - 3.43, 8.18 - 81.76%, 8.03 - 80.22 and 0.04 - 3.43 respectively. These indices are largely within the safe limits for irrigation with very little likelihood that salinity hazards will develop.
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