1. Utah/Nevada Agreement Utah Division of Water Rights August 15, 2006

2. Public Law 108-424 Prior to any transbasin diversion from ground-water basins located within both the State of Nevada and the State of Utah, the State of Nevada and the State of Utah shall reach an agreement regarding the division of water resources of those interstate ground-water flow system(s) from which water will be diverted and used by the project. The agreement shall allow for the maximum sustainable beneficial use of the water resources and protect existing water rights. Prior to any transbasin diversion from ground-water basins located within both the State of Nevada and the State of Utah, the State of Nevada and the State of Utah shall reach an agreement regarding the division of water resources of those interstate ground-water flow system(s) from which water will be diverted and used by the project. The agreement shall allow for the maximum sustainable beneficial use of the water resources and protect existing water rights.

3. Governor Position Committed to ensuring that the unique way of life of Utah’s West Desert residents will not be compromised.

4. Elements of Agreement Protection of existing water rights Protection of existing water rights Opportunity for additional development Opportunity for additional development Sustainable use of water supply Sustainable use of water supply Administration by each state Administration by each state Other issues Other issues

5. Snake Valley

6. Protecting Existing Rights Diminishment of historical flow Diminishment of historical flow Changes in timing Changes in timing Degrading water quality Degrading water quality Unreasonable dewatering of an aquifer Unreasonable dewatering of an aquifer

7. Hydrology

8. Published Literature Hood & Rush (1965) Water-Resources Appraisal of Snake Valley Area Gates (1981) Hydrologic Reconnaissance of the Southern Great Salt Lake Desert Carlton (1985) Fish Springs Multibasin Flow System Harrill (1988) Major Ground Water Flow Systems in the Great Basin Nichols (2000) Regional Ground-Water Evapotranspiration and Ground-Water Budgets, Great Basin: Nevada

9. Budgets for Valleys in Study Area

10. Water Budget Map

11. Water Budget For Snake Valley

12. Recharge Distribution

13. Water Rights

14. Water Right Records Application Status Count Unapproved36 Approved75 Perfected589 Nonuse1

15. Water Right Uses Use Type Application Count Annual Diversion (acft) Annual Depletion (acft) Irrigation2159358558282 Stock Water5493576 Domestic24315143.1 Municipal000 Mining181.9 Power440530 Other803699832971 TOTAL 13837194874

16. Points of Diversion POD TypeCount Surface44 Spring132 Underground305

17. Questions