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Glen Canyon
&The Colorado River
Glen Canyon Institutewww.glencanyon.org
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Water in the West
The Definitive Natural Resource
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John Wesley Powell
I wish to make clear to you...[that]
there is not enough water to irrigate
all the lands...[and] it is not right to
speak about the area of the public
domain in terms of acres that extend
over the land, but in terms of acres
that can be supplied with water.
-October 10th ,1893
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Prior Appropriations Doctrine
First in Time, First in Right Originated from mining claims in California
in 1860s
First person to put water to a beneficial
use has a right to it
Made a law in 1872
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Law of the River
The Colorado River Compact of 1922
7.5 Million Acre Feet (MAF) to the Upper
Basin
7.5 MAF to the Lower Basin
1944 Treaty
1.5 MAF to Mexico
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Law of the River
Boulder Canyon Protection Act (1928) Upper Colorado Compact (1948)
Colorado River Storage Project Act (1956)
Arizona vs. California (1963)
1968 Project Act (1968)
Long Range Operating Criteria (1970)
Grand Canyon Protection Act (1992)
Interim Guidelines (2007)
Minute 319 (2012)
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Law of the River
Structural Flaws
Assumed 16.4 Million Acre Feet (MAF) of
water in Colorado River
New tree ring data shows its closer to 13.5MAF
Average flow over the last 30 years has
been 11 MAF 2013 flow 9 MAF
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Completed in 1963
Glen Canyon Dam
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Dinosaur National Monument
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Glen Canyon
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The Birth of the Modern Environmental Movement
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Significant Negative Impacts:
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After
200 miles of the Colorado River through Glen Canyon drowned
Before
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Destruction of over 2,000 Native American
Cultural Sites
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Steady destruction of the
Grand Canyon
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False Sense of Water Security in the West
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Today Lake Powell isonly 39.5% full.
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Today
Lake Mead is only
48.3% full.
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Short of several back-to-
back years with 100+ year
runoff, Lake Powell willnever be full again.
-Dr. Tom Myers, hydrologist
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It is the new normal. And it is climate change. We are
living what the scientists (have said) for the last couple
of years, that the rate of change that we are experiencing
climatically is far more dramatic than they expected it to be.
Pat Mulroy
SNWA
Director
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The New Normal
Increasingtemperatures
Increasing demand
Reduced flows
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Colorado River Basin Water
Supply and Demand Study Commissioned to
assess
supply/demandimbalance in
Colorado River
Basin
Projects an
imbalance of 3.2
MAF by 2060 Presented options
to deal with
problem, but noplan
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Supply and Demand Study
Options Considered
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Fill Mead First Proposal
Prioritize water storage in Lake Mead
Recover up to 300,000 acre feet annually
Stabilize Lower Basin water supplies
Provide benefit to Upper Basin States
Legally and technically feasible
Allow much of Glen Canyon to be restored
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New Study Quantifies Water Lost in
Powell to Ground Seepage By Dr. Tom Myers, in the Journal of the
American Water Resources Association
Shows Lake Powell loses up to 380,000 acre
feet to ground seepage every year
More than the entire state of Nevadas
allocation
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Fill Mead First is Legally Feasible
Analysis by Dr. Lawrence MacDonnell found
that Fill Mead First does not violate the
Colorado River Compact
Administrative action based on Basin State
agreement could enact Fill Mead First
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The Drying of the West Feb. 22
Water Shortages What to Expect in the Future
Feb. 18
Colorado River Drought Forces Painful Reckoning
for States Jan. 5
Colorado River Crisis 2014
Lake Powell
Demand Mgmt
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Lake Powell - Demand Mgmtand Re-Operations
(single trace 2000-2007; 1988-1999)
Lake Mead
Demand Mgmt
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Lake Mead - Demand MgmtActions (single trace 2000-2007; 1988-1999)
Colorado River Storage Project Units (CRSP)
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Colorado River Storage Project Units (CRSP)
SOURCE: USBR UPPER
COLORADO REGION STORAGELEVELS AS OF 12/09/13
CRSP Acts of1956 and 1968
authorizedconstruction offacilities forlong-term
regulation anddevelopment ofColorado Riverwater resources
fill
Flaming Gorge3.7MAF active capacity
75% full
fill
fill
Blue Mesa0.84MAF active capacity
45% full
Navajo1.7 MAF active capacity
57% fullfill
Lake Powell 26 MAF active capacity 43% full
fill
Aspinall Unit:Blue Mesa, MorrowPoint & Crystal Res.
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Hite
2000
2004
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Hite
1999
2004
2004
2005
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Gregory Natural Bridge
1966 2004
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LaGorce Arch
Before & After
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Cathedral
in theDesert
1964
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Davis Gulch
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North Fork of Willow Creek
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Dozens of unnamed side canyons
canyons
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Archaeological Sites Emerging
Fort Moqui
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Bathtub ring already disappearing
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Springs emerge as maidenhair ferns return
Lower EscalanteMountain Sheep Canyon
il
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Wildlife returns quicklywil
dlif
e
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New Glen Canyon = new opportunities
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Benefits of the new Glen Canyon
1,250,000 acres of Natl Park caliber canyon country
Reservoir economy would evolve to stronger, sustainableeconomy (Expanded Grand Circle)
Substantial Tribal opportunities
Protection and Restoration of the biological heart of the
Colorado Plateau
Restoration of Grand Canyon ecosystem
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Working to restore and protect a healthy Colorado River through Glen Canyon and Grand
Canyon.
Working with management agencies to protect
emerging resources.
Educating the public about the emergence of Glen
Canyon and the need to protect it.
Working with policy makers and water managers to
revising western water policy.
Developing the Glen Canyon Living Atlas.
Economic research of Colorado River reservoirrecreation and hydropower economics.
Organizing local and national grassroots support for
permanent protection of Glen Canyon.
glen canyon institute
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Join us in this historic movement torestore and protect Glen Canyon.
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http://www.glencanyon.org/