Types of pollutants

There are many sources of pollution in our waters. In addition to point sources such as sewage and industrial waste, a great deal of water pollution comes from non-point sources such as agricultural runoff, and stormwater drainage. Common water pollutants include pesticides, lead, arsenic and polychlorinated biphenyls (PCBs).

Chemical compounds

• Oil slicks
• Mercury pollution

Biological compounds

• Endocrine disrupting compounds (EDCs)

Physical process

• Thermic pollution