Various water pollution:

• Groundwater pollution
• Surface water pollution
• Oxygen depletion pollution
• Nutrients pollution
• Chemical water pollution

• Suspended matter pollution

   

Common water pollutants:

There are several classes of common water pollutants.

• Disease-causing agents such as bacteria, viruses, protozoa and parasitic worms
• Oxygen depleting wastes
• Inorganic plant nutrients
• Water soluble inorganic chemicals such as acids,salts and compounds of toxic metals such as mercury and lead
• Organic chemicals such as oil, gasoline, plastics, pesticides, cleaning solvents, detergent
• Sediment of suspended matter (insoluble particles of soil and other solids)