State of the Colorado River and Implications for Utah

2017 Upper Colorado River Basin Water Forum

Eric Millis, Director Utah Division of Water Resources Columbia Principal River River Basin Basins in Utah Upper Colorado River Basin Lower Colorado Great Basin River Basin Upper Colorado River Basin Great Basin Columbia River Basin Lower Colorado River Basin Population Distribution Utah Population Projections 6,000,000 5,827,810

5,500,000

5,000,000

4,500,000

4,000,000

3,500,000

3,000,000

2,500,000

2,000,000 2015 2020 2025 2030 2035 2040 2045 2050 2055 2060 2065 Population Growth by Basin Columbia River Basin 2015-2065 % Growth // % of Total

53% // 3%

Great Basin 221% // 17%

Upper Colorado River Basin 89% // 80%

Lower Colorado River Basin Meeting Future Needs

• Water Conservation

• Water Use Conversions

• Water Development Meeting our future needs

New Water Development, 25%

Ag Conversion, Conservation, 60% 15% Compact and Treaty Apportionment Based on Current Hydrology (in million acre feet per year (MAF))

Arizona - 0.05 Arizona - 2.8 Utah - 1.369 23% of UB Nevada - 0.3 Colorado - 3.079

LB - 7.5 UB - 6.0

California - 4.4 Wyoming - 0.833 TOTAL - 15.0 MAFY New Mexico - 0.669

Mexico - 1.5 Utah's Use of the Colorado River

19% Agriculture/Stock 5% Municipal/Domestic 5% Power/Industrial In-state Export 71%

Upper Colorado River Use Lower Colorado River Use

10% 20% Agriculture/Stock Agriculture/Stock 18% 5% Municipal/Domestic Municipal/Domestic 4% Power/Industrial Power/Industrial 71% Export 72% Export UTAH'S COLORADO RIVER ALLOCATION 1.369 MAF Current Use 1.008 MAF UNUSED ALLOCATION .361 MAF

Future Use Navajo Nation 81 KAF Ute Tribe Reserve Water (compact) 105 KAF New Ag Uses 40 KAF New M&I Uses 49 KAF Lake Powell Pipeline 86 KAF Total 361 KAF

UTAH SUPPORTS: • Endangered Fishes Recovery Program

• Salinity Control Program

• Drought Contingency Planning

• System Conservation Pilot Program Glen Canyon Dam

Hoover Dam Thanks

Eric Millis, Director Utah Division of Water Resources P.O. Box 146201 Salt Lake City, Utah 84114-6201 Phone: (801) 538-7250 E-mail: [email protected] If We Each Save a Little, We All Save A lot!