Water Pollution Water Pollution Occurs In Developed Countries

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Water Pollution

Water Pollution

Water Pollution Occurs In Developed Countries • In developing countries, water pollution is caused

Water Pollution Occurs In Developed Countries • In developing countries, water pollution is caused mainly from dumping raw sewage into the water supply. • In developed countries, water pollution comes mainly from 3 sources – Municipal pollution – Industrial pollution – Agricultural pollution

Municipal Pollution • Water pollution from cities and towns comes from – Improperly treated

Municipal Pollution • Water pollution from cities and towns comes from – Improperly treated sewage – Septic systems – Yard runoff – Storm drains

The San Francisco Bay • The San Francisco Bay has had a problem with

The San Francisco Bay • The San Francisco Bay has had a problem with pollution for many years.

Industrial Pollution • Factories and hospitals create pollutants that contaminate waterways. – Radioactive waste

Industrial Pollution • Factories and hospitals create pollutants that contaminate waterways. – Radioactive waste – Oils, toxic chemicals and heavy metals – Heated water

Agricultural Pollution • Livestock waste – carry harmful disease • Pesticides – toxic to

Agricultural Pollution • Livestock waste – carry harmful disease • Pesticides – toxic to fish • Fertilizers – cause algae to grow quickly and then die and decompose. This decreases dissolved oxygen in the waterway and fish die.

Listen to the following to answer the questions • https: //www. youtube. com/watch ?

Listen to the following to answer the questions • https: //www. youtube. com/watch ? v=phm. N-Ip. R 3 xw • What is an example of point source pollution? • What is our biggest threat to clean water, at least in Indiana? • What are the common pollutants carried in non-source pollution? • Why does non-point source pollution have the greatest impact on water quality? • How does non-point source pollution end up in our water sources? • What are some of the common causes of non-point source pollution?