Distribution Mapping of Cadmium on Water and Soil in Rice Fields Around the Industrial Area of Sidoarjo Regency

Abstract

The development of industrial estates in the western part of Sidoarjo Regency include Taman District, Krian District, Balongbendo District, and Tarik District have a major influence on population growth. The existence of the rice fields around the industry indirectly affects the quality of the environment due to industrial activities. The purpose of this research is to identify the spatial distribution of Cadmium heavy metal content in the water in rice fields around the industrial area of Sidoarjo Regency and to identify the spatial distribution it. The parameters taken are cadmium content in soil and water samples in the rice fields. The method used in the study was a survey and laboratory, mapping used the kriging method. The result of the research showed The highest cadmium content is in the rice fields of the Taman sub-district. cadmium content in water is 1.90 ppm while in the soil is 2.43 ppm. The quality level at the four locations was declared to exceed the environmental quality standard. The distribution map showed the area of the Taman sub-district is the highest compared to other sub-districts.