Types of Water Pollution

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Presentation transcript:

Types of Water Pollution Science 1

Northfield Wastewater Treatment Plant Overflowing During Irene Organic Waste Description: sewage, cow poop, food processing, paper mills Effects: bacteria grows which decreases dissolved oxygen and causes diseases Raw sewage in Korea Northfield Wastewater Treatment Plant Overflowing During Irene

Algae Bloom in Lake Champlain Nutrients Description: phosphates or nitrates from fertilizer or detergents Effects: Algae blooms (eutrophication) Algae Bloom in Lake Champlain

Deepwater Horizon Oil Spill (2010) Description: Runoff from streets/parking lots; oil spills Effects: Interferes with respiration/gills (fish) and flying (birds) Deepwater Horizon Oil Spill (2010)

Acids Description: pH below 7 (acid rain, mining) Effects: can kill organisms

Toxic Substances Description: harmful in low concentrations (mercury, lead, cadmium, tritium) Effects: can affect nervous systems of organisms

Heat (Thermal Pollution) Description: hot water from power plants or factories Effects: Lowers dissolved oxygen in water

Union St. and Pearl St. during Irene Sediments Description: can come from construction, logging, agriculture Effects: blocks flow of water and can clog gills; can flood houses Union St. and Pearl St. during Irene Wall Street