Eric Kuhn General Manager, Colorado River Water Conservation District
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Transcript of Eric Kuhn General Manager, Colorado River Water Conservation District
Eric KuhnGeneral Manager, Colorado River Water Conservation District
Eric KuhnGeneral Manager, Colorado River Water Conservation District
Congressional Briefing June 6, 2008 – Washington, DC
Eric Kuhn, General Manager
Pieces of the Puzzle: the Colorado River Basin Pieces of the Puzzle: the Colorado River Basin
= 10.0 maf/year OUTFLOW= 10.0 maf/year OUTFLOW
- 4.4 maf California- 4.4 maf California- 0.3 maf Nevada- 0.3 maf Nevada
- 1.0 maf losses - 1.0 maf losses
- 2.8 maf Arizona - 2.8 maf Arizona - 1.5 maf Mexico - 1.5 maf Mexico
Lake Powell
OUTFLOW > INFLOW OUTFLOW > INFLOWL
ow
er B
asin Lake
Mead
Up
per
Bas
in
= 9.0 maf/year INFLOW= 9.0 maf/year INFLOW
+ 0.02 maf Paria River + 0.02 maf Paria River
+ 0.75 maf tributary inflow + 0.75 maf tributary inflow
+ 8.23 maf from Lake Powell + 8.23 maf from Lake Powell
normal year operations releases from Lake Powell = 8.25 million acre-feet(maf) /year
7.5 maf for Lower Basin 0.75 maf for Mexico
normal year operations releases from Lake Powell = 8.25 million acre-feet(maf) /year
7.5 maf for Lower Basin 0.75 maf for Mexico
Colorado River Compact measuring point at Lee Ferry X
Challenges
• Climate change
• Hydrologic Variability (paleo record)
• Forest Changes
• Energy future
Projected Central Arizona Project (CAP) Shortages Source: USBR shortage criteria EIS direct paleo hydrology modeling
www.ColoradoRiverDistrict.org
Three Policy objectivesThree Policy objectives
• Avoid unacceptable outcomes
• Maintain constructive relationships
• Adapt to a wider range of hydrologic conditions
• Avoid unacceptable outcomes
• Maintain constructive relationships
• Adapt to a wider range of hydrologic conditions