1. Water Conservation, Efficiency, and Instream Flows in the West Aaron Citron Project Manager & Attorney (303) 447-7212 acitron@edf.org

2. Western Water Law 101

3. Prior Appropriation “first in time is first in right” Diversion (usually) Beneficial Use Use it or lose it

4. CRB Overview Complex “Law of the River” Compacts, Caselaw, Treaty with Mexico (1922-2007) Colorado River legally over- allocated 16.5MAF v. +/- 13.5MAF 1 AF = 1,234 m 3

5. Colorado River Supply and Demand Basin Study

9. Recreation Economy $26 Billion ¼ Million Jobs

10. SB 14-023: Water Efficiency Savings to Instream Flows

11. Opportunity

12. Incentives 1.No abandonment 2. New income stream. 3. Improved streamflows.

13. Opposition Costs to other irrigators Upstream juniors Instream flows Politics!

14. Conservation ≠ Savings Consumptive Use Prior Appropriation Efficiency v. Conservation?

15. Filling the Gap ATMs Water Banking System Conservation Agreement

16. Aaron Citron acitron@edf.org 303-447-7212