This study evaluated the water and sediment quality of samples collected from different points in organic (O1, O2, O3, O4) conventional (C1, C2, C3) pre-germinated rice fields located Viamão/RS. Quality indicators such as phosphorus, dissolved oxygen, manganese, iron, turbidity, BOD5 reduced beyond Classes 3 4, defined by CONAMA Resolution 357/2005. Based on aluminum levels, all were categorize...