The Analysis of Mercury Concentrations of Water in Gold Mining Environment at Poboya, East Palu Subdistrict, Palu, Central Sulawesi Province

Abstract Gold mining activities influence the environment, mainly aquatic due to heavy metal and mercury detected in settling pond river waters. Based on laboratory analysis, it is known that Mercury concentrations water of inlet, transition, outlet zones respectively are 0.075 mg/L, 0.042 0.027 mg/L. These shown concentration was not passed Government Regulation Minister Environment No. 202 year 2004 about quality standards liquid waste, which said standard 0.005 The Heavy concentrations, especially at 1, 2, 3, 4, 5 stations respectively, 0.004 0.009 0.050 0.006 do meet government regulation 0.001