iajabmsIAJABMSIAJABMS2709-329810.47310/iajabms.2020.v01i01.002Physico-Chemical and Heavy Metal Analysis of Effluent Water from Port Harcourt Refinery Depot, NigeriaOroduVictorEnearepuadoh.ALALIBOMinainyoEmmanuelDepartment Of Chemical Sciences, Faculty Of Science, Niger Delta University P.M.B 071, Wilberforce Island, Bayelsa. NigeriaPhysico-chemical and heavy metal analysis of effluent water from Port Harcourt Refinery Company Ltd. was done. Water samples were collected from the fall out (station 1), 100m away (station 2) and 200m away (station 3) and taken to the laboratory for analysis. The pH for station 1=5.0, station 2=5.5 and station 3=6.0 which is below the DPR specification. The electrical conductivity ranged from 60-75µS/cm. The TDS values of station 1 and 2 were recorded as 19mg/L and station 3 was 20mg/L. Salinity was low in all stations. The TSS was above the DPR specification at station 1 but at station 2 and 3 was within the specification of 30mg/L. BOD was high in all stations and was above the DPR specification of 10mg/L, the result ranged from 28-43mg/L. The value of COD exceeded the DPR specification of 40mg/L, the result for all stations ranged from 42-61mg/L. The level of oil and grease in station 1 and 2 were higher than the DPR specification of 10mg/L but station 3 was observed to be within. The heavy metals (Lead (Pb), Nickel (Ni), Manganese (Mn), Cadmium (Cd) and Chromium (Cr)) were estimated using Atomic Absorption Spectrophotometer. The result obtained for Pb in station 1=0.051mg/L, station 2=0.062mg/L and station 3=0.030mg/L. Ni in station 1=0.009mg/L, station 2=0.001mg/L and station 3=0.012mg/L.  Mn, Cd and Cr were=0.001 in all. Pb was observed to be higher than all other heavy metals in the effluent water.