1. How we use and manage water
SEV5e. Describe the effects and potential implications of pollution and resource depletion on the environment at the local and global levels (e.g. …water pollution…).

2. We all live downstream Your actions affect others
More humans every day
More strain on fresh water
Over 1 billion without clean, reliable water

3. Types of water use Agriculture – farming
Industrial – manufacturing, generating power, etc…
Residential – in and around the home

4. Global Water Use

5. Residential Water Use

6. Water treatment
To become potable or safe to drink, water must be treated.
Remove
Poisonous elements (Hg, As, Pb)
Pathogens (cause disease)
Human sewage and animal feces

7. Industrial Water Use 19% worldwide Manufacture of goods
1,000 liters/kg of aluminum
500,000 liters/car
disposal of waste
generation of power
Hydroelectric power
Cooling systems

8. Agricultural Water Use
300 liters/ear of corn
Irrigation
Moving water from its source to the crop
High pressure systems
Inefficient
Wasteful

9. Conservation Agriculture Industry Drip irrigation Computer programs
Recycling
Denver pays its businesses

10. Conservation 1. Check faucets and pipes for leaks
A small drip from a worn faucet washer can waste 20 gallons of water per day. Larger leaks can waste hundreds of gallons.
2. Don't use the toilet as an ashtray or wastebasket
Every time you flush a cigarette butt, facial tissue or other small bit of trash, five to seven gallons of water is wasted.
3. Check your toilets for leaks
Put a little food coloring in your toilet tank. If, without flushing, the color begins to appear in the bowl within 30 minutes, you have a leak that should be repaired immediately. Most replacement parts are inexpensive and easy to install.

11. Conservation 4. Use your water meter to check for hidden water leaks
5. Install water-saving shower heads and low-flow faucet aerators
6. Put plastic bottles or float booster in your toilet tank
7. Insulate your water pipes.
8. Take shorter showers.
9. Turn off the water after you wet your toothbrush

12. Conservation 10. Rinse your razor in the sink
11. Use your dishwasher and clothes washer for only full loads
12. Minimize use of garbage disposal units
13. When washing dishes by hand, don't leave the water running for rinsing
14. Don't let the faucet run while you clean vegetables
15. Keep a bottle of drinking water in the fridge.