Freshwater Pollution Unit 5: Water February 27, 2009 Sanders

Water Pollution Water pollution is the introduction of materials that degrade the quality of the water. Chemical Physical Biological Water pollution affects organisms. Drinking water Habitat December 25, 2018 Unit 5: Water

Kinds of Pollution Pathogens: Disease causing organisms such as bacteria. Pollution occurs when sewage is untreated or enters water through storm sewers animal feces wash off the land into water. December 25, 2018 Unit 5: Water

Kinds of Pollution Organic Matter: Biodegradable remains of animals and plants, including feces. These are primarily non-point sources. Organic Chemicals: Detergents Gasoline Oil Pesticides Fertilizers Plastics December 25, 2018 Unit 5: Water

Kinds of Pollution Inorganic Chemicals : Acids Salts Toxic metals December 25, 2018 Unit 5: Water

Kinds of Pollution Physical Agents: Radioactive waste: Heat and suspended solids. Radioactive waste: Power Plants or nuclear processing December 25, 2018 Unit 5: Water

Point Pollution Pollution that is discharged from a single point. See pollutants discharged into river. December 25, 2018 Unit 5: Water

Non - Point Pollution Non-pollution is pollution that comes from many sources rather form a single specific site. Homes Lawns Farms Highways December 25, 2018 Unit 5: Water

Farm Run-off December 25, 2018 Unit 5: Water

Sources of Water Pollution Point Pollution 23,000,000 septic-tank systems 190,000 storage lagoons 9000 municipal landfills 2 million gasoline tanks 1000s of public and industrial wastewater treatment Non-Point Pollution Highway construction Storm-water runoff city Oil, gasoline, dog feces Pesticides from 112 million acres 50 million tons of fertilizer 10 million tons of salt December 25, 2018 Unit 5: Water