1. Uses of Water

2. How do we use water? Drinking Growing food producing goods recreation
maintaining healthy ecosystems

3. Water Consumption
Humans use six times as much water today as they did 100 years ago.

4. Developed Countries Use More Water

5. Consumptive and Non-Consumptive Use of Water
Non-consumptive – water can be recycled and reused
Consumptive - water can not be reused

6. Agriculture Irrigation of crops can waste water. Overhead sprinklers
Trench irrigation
Flood irrigation
Between 15% and 36% of the water evaporates before it reaches the crops.

7. Over head sprinklers

8. Trench Irrigation

9. Flood Irrigation

10. Drip Irrigation Save Water
Water is deposited at the roots of the plants.

11. Aquaculture – Fish Farms
Raising fish on farms is good for the food supply but these farms can cause problems to our water supply.