1. Too Little Water

2. Georgia Rivers

3. Watershed

4. Chattahoochee Watershed

5. The Importance of Water Largest watersheds

6. Drought - Too Little Water Groundwater Aquifer depletion -

7. Too Little Water Saltwater intrusion

8. Sink Holes

9. Transporting Water Aqueducts - Providing a Sustainable Water Supply?

10. Transporting Water Colorado River http://ww w.youtub e.com/wat ch?v=tzW A8gTb4o g

11. Colorado River Compact

12. Lake Mead

13. Diverting Water Aral Sea 2009 ? 1973 1987 1999 http://www.youtub e.com/watch?v=Z0 Pi61SyVSM

14. Global Water Problems Water distribution globally is very inequitable Stable runoff varies Drinking Water Problems 1.4 billion lack safe water 2.9 billion lack proper wastewater disposal Population Growth and Water Problems India – 8,000 villages have no local water supply China – water table falling 2-3 m / year Mexico City – water table falling 3.5 m / year

15. International Waters Rhine River Nile River

16. Tri-State Water Wars The U.S. Army Corps of Engineers (Corps) constructed Buford Dam and created Lake Lanier fifty years ago. In 1989, the Corps recommended that a portion of the water being used for hydropower should be reallocated for water supply in the Atlanta region.

17. Water Ownership English Common Law or Riparian Rights: (East Coast) all - have the right to make reasonable use of it. These rights cannot be sold or transferred other than with the adjoining land, and water cannot be transferred out of the watershed. Prior Appropriation: (West Coast) water rights are -, and can be sold or mortgaged like other property. The first person to use a quantity of water from a water source for a beneficial use has the right to continue to use that quantity of water for that purpose.

18. Desalination Providing a Sustainable Water Supply Desalinization Two methods: 1) Distillation Condenses Simplified process: Salt water Pure water is collected Water boiled Produces steam

19. Desalination Issues: 1.$ 2.Large volumes of water 3.Disposal Salt water H2OH2O salt Pressure Fresh water Salt impermeable membrane

20. Water Conservation

21. Reducing Water Use Building Codes Systems to Store Rainwater Xeriscaping Grey Water Systems