1. Agricultural Water Efficiencies in the CAP Service Area Urban Water Institute 21 st Annual Water Conference August 14, 2014 Katosha Nakai, Esq Tribal Affairs & Policy Development Manager Business Planning & Governmental Programs

2. Basin Map

3. Groundwater Management Act

4. Irrigation district distribution losses not to exceed 10% Base Program: Limitations on annual groundwater allotments, per farm, based on irrigation efficiencies of 65-80% Best Mgt. Practices Program: Alternative to Base Program using a point system per farm General Central AZ Ag Conservation Requirements

5. 93.5% of the irrigated acres use irrigation technology that can achieve or exceed 80% irrigation efficiency Water losses well below 10% since 1985 -3% in recent years An estimated $750 Million invested -$3,700/acre HDR Study Findings lined systems automated controls automated scheduling real-time operations real-time instrumentation (which reduce or eliminate spills) crop rotations laser technology to grade land level Basin Irrigation tailwater re-use

6. Active Management Area Statistics Phoenix AMA (Maricopa County) Pinal AMA (Pinal County) Tucson AMA (Pima County) Usage 1.29 MAF (1989) 722,000 AF (2010) 44% Decrease 792,000 AF (1985) 866,000 AF (2010) 9% Increase Decreased 32% from 1985 to 2010 System Losses Below State Required 10% NA Efficiency Exceeds 96%Exceeds 94%NA Avg. Irrigation Delivery Loss 4.2% 3% since 2007 3%NA

7. 2016 Level 1 Shortage Priority 3 68,400 Ag Pool 400,000 Other Excess (Shorted) 75,000 NIA Priority 215,000 Indian Priority 317,000 CAP Delivery Priority Low High M&I Priority 465,000 1.5 MAF 0.5 MAF 0 MAF 1.0 MAF Ag Pool (Shorted) 245,000 Ag Pool 155,000 320,000

8. Questions Katosha Nakai, Esq Tribal Relations & Policy Development Manager 623-869-2620 knakai@cap-az.com