Relacionar Columnas Water Pollution VocabularyVersión en línea Matching vocabulary. por Anna Rowe 1 Water Pollution 2 Bacterial Pollution 3 Nutrient Pollution 4 Toxic Pollution 5 Sediment Pollution the presence of excessive sediments such as silt and clay in water. the presence of toxic substances in water. The introduction of harmful substances into the water. the presence of harmful bacteria in water supplies. the presence of excess nutrients in the water.