Water Pollution + Water Treatment

Warm-up  Update your Table of Contents  Reminder: Your water project is due ON or BEFORE Friday!  Get a scrap piece of paper and write your name on it. DateSession # ActivityPage # 10/17 20Water Pollution Notes35

Warm-up  Quick Quiz: On the scrap of paper, answer the following question…What is the difference between water availability and water sustainability?

Remember???  WATER AVAILABILITY – How easy it is for people to access water in a particular area The average distance that women in developing countries walk to collect water per day is four miles and the average weight that women carry on their heads is approximately 44 pounds.

Remember???  WATER SUSTAINABILITY – The use of water now that ensures that there will be enough usable water for future generations. An American taking a five-minute shower uses more water than a typical person in a developing country slum uses in a whole day

 You know water can be healthy or unhealthy… But how does it get this way???

What is Water Pollution?  Water Pollution – The addition of any substance that damages the water quality and makes it dangerous to drink or use for everyday life.

Where does pollution come from?  Factories  Farmers  Households What do they each contribute to the pollution problem?

Types of Water Pollution  Biodegradable Waste  Fertilizers/Pesticides  Heat  Sediments  Chemicals  Bacteria/Viruses – Medical Waste Any other examples?

How does the pollution get into the water?

There are 2 ways pollution gets into the water:  POINT SOURCE POLLUTION  NON-POINT SOURCE POLLUTION

Point Source Pollution  Pollution that comes from a single identifiable source that directly enters the water  Examples:  Oil spilling from a tanker into the ocean  A paper mill pouring chemicals into a stream

Non- Point Source Pollution  Pollution that comes from many places OR sources that are not easily identified and eventually gets to the water. (RUN-OFF)  Examples:  Pesticide from a farm  Oil and trash from city streets run off into sewer that dumps into nearby lake

Pollution Protest !!!  You will be given an example of either Point or Non-Point Source Pollution.  Raise your sign when I tell you to protest which type of pollution you think is correct!

Point or Non-Point?  Smokestack at local factory

Point or Non-Point?  Oil spilling from a tanker

Point or Non-Point?  Irrigation from farms washes soil and sediment into a river

Point or Non-Point?  Sewer pipe draining human waste into the ocean

Point or Non-Point?  A vent releases smoke with highly toxic chemicals at an automobile plant

Point or Non-Point?  Sediment washed into the river from a construction site

Point or Non-Point?  Small fire burning in a landfill

Point or Non-Point?  Battery acid leaks from cars onto the parking lot and is followed by a big rain storm

Point or Non-Point?  The heavy metal lead flows from cars exhaust pipes and into the atmosphere

Point or Non-Point?  Sludge from a chemical plant

Point or Non-Point?  Pesticides from a garden drain during a rain storm into a local pond

Point or Non-Point?  Factory that produces plastic storage containers dumps liquid wastes into a nearby river

Point or Non-Point?  Fumes released into a forest

Point or Non-Point?  A deadly bacteria from cow waste makes its way into a nearby ditch

Point or Non-Point?  A dangerous acid enters the atmosphere from a coal mine in West Virginia

 What do we do to prevent water pollution?

What is the government doing to protect our water?  Clean Water Act  Protects surface waters, such as lakes and rivers  Provides money for the construction and maintenance of wastewater treatment plants  Environmental Protection Agency (EPA)  Sets and enforces standards for wastewater that is released into lakes or streams by industry and local governments

 What can YOU do to protect our water? What can you

What can YOU do to protect our water?  Stewardship:  YOUR own personal role in caring for Earth’s waters

Our Clean Water Act:  Each of you will receive a piece of the Clean Water Act  Your job is to re-write your piece of the act in your own words.  Ask for help!  Once everyone is done, we will put together our class Clean Water Act!

Mini Protest Signs:  Get a note card and a popsicle stick  Create a mini pollution protest sign for the section of the Clean Water Act your group has