This study was aimed to monitor and quantify the metals present in the groundwater of Ranchi city, state capital of Jharkhand, India. Samples were collected from 44 locations during three seasons. The results show that arsenic concentration ranged from 0 to 0.2 and 0 to 0.015 mg/l in monsoon and pre-monsoon seasons respectively, but was below detection limit in the post-monsoon season. Manganese varied from 0 to 4.199, Nickel from 0 to 0.077, Selenium from 0 to 0.14, and Fe varied from 0 to 0.047 mg/l.