The source of potential pollution and diarrhea on toodlers at populous area (a study at Johar Baru Subdistrict, Central Jakarta)

Indonesia still faces some challenges in the field of water, sanitation, and hygiene (WASH) especially in Jakarta. Environmental disease such as diarrhea becomes the cause of death on toddlers in Indonesia. The region with the most cases of diarrhea is Johar Baru Subdistrict with proportion 17% of all Subdistricts in Central Jakarta area and becomes the region with the most populous place in Jakarta. This analysis aims to determine the source of potential pollution of diarrhea in Johar Baru Subdistrict. The research method used was cross sectional study design. The research results show that mothers' education, the habit of washing the hand by using soap, family income, type of clean water sources, facility of waste disposal, and risk of clean water source pollution influence the occurance of diarrhea on toddlers. The dominant factor of diarrhea case on toddlers is the risk of clean water source pollution and the habit of washing the hand by using soap. The effort of diarrhea prevention is such as conducting city water security at slums of the city with high populous and makes washing the hand with soap as the habit in the society completed with the facility of hand washing.