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Lake Powell
Lake Powell
is a reservoir on the Colorado
Colorado
River, straddling the border between Utah
Utah
and Arizona, United States. Most of Lake Powell, along with Rainbow Bridge National Monument, is located in Utah. It is a major vacation spot that around two million people visit every year. It is the second largest man-made reservoir by maximum water capacity in the United States
United States
behind Lake Mead, storing 24,322,069 acre feet (3.0000830×1010 m3) of water when full. However, due to high water withdrawals for human and agricultural consumption, and because of subsequent droughts in the area, Lake Powell
Lake Powell
is currently larger than Lake Mead
Lake Mead
in terms of volume of water currently held, depth and surface area. Lake Powell
Lake Powell
was created by the flooding of Glen Canyon
Glen Canyon
by the Glen Canyon Dam, which also led to the creation of Glen Canyon
Glen Canyon
National Recreation Area, a popular summer destination. The reservoir is named for explorer John Wesley Powell, a one-armed American Civil War veteran who explored the river via three wooden boats in 1869. In 1972, Glen Canyon
Glen Canyon
National Recreation Area was established. It is public land managed by the National Park Service, and available to the public for recreational purposes. It lies in parts of Garfield, Kane, and San Juan counties in southern Utah, and Coconino County in northern Arizona. The northern limits of the lake extend at least as far as the Hite Crossing Bridge. A map centered at the confluence of the Escalante River
Escalante River
37°17′22″N 110°52′20″W / 37.28944°N 110.87222°W / 37.28944; -110.87222 with the Colorado River
Colorado River
gives a good view of the extent of the lake. Lake Powell
Lake Powell
is a water storage facility for the Upper Basin states of the Colorado River
Colorado River
Compact (Colorado, Utah, Wyoming
Wyoming
and New Mexico). The Compact specifies that the Upper Basin states are to provide a minimum annual flow of 7,500,000 acre feet (9.3 km3) to the Lower Basin states (Arizona, Nevada, and California).

Contents

1 History 2 Climate 3 Geology 4 Landmarks 5 Popular culture 6 Features 7 Development 8 Fish species 9 Invasive species 10 References 11 Bibliography 12 External links

History[edit] In the 1940s and early 1950s, the United States
United States
Bureau of Reclamation planned to construct a series of Colorado River
Colorado River
dams in the rugged Colorado
Colorado
Plateau province of Colorado, Utah, and Arizona. Glen Canyon Dam
Dam
was born of a controversial damsite the Bureau selected in Echo Park, in what is now Dinosaur National Monument
Dinosaur National Monument
in Colorado. A small but politically effective group of objectors led by David Brower
David Brower
of the Sierra Club
Sierra Club
succeeded in defeating the Bureau's bid, citing Echo Park's natural and scenic qualities as too valuable to submerge. By agreeing to a relocated damsite near Lee's Ferry
Lee's Ferry
between Glen and Grand Canyons, however, Brower did not realize what he had gambled away. At the time, Brower had not actually been to Glen Canyon. When he later saw Glen Canyon
Glen Canyon
on a river trip, Brower discovered that it had the kind of scenic, cultural, and wilderness qualities often associated with America's national parks.[2] Over 80 side canyons in the colorful Navajo Sandstone
Navajo Sandstone
contained clear streams, abundant wildlife, arches, natural bridges, and numerous Native American archeological sites. By then, however, it was too late to stop the Bureau and its commissioner Floyd Dominy
Floyd Dominy
from building Glen Canyon Dam. Brower believed the river should remain free, and would forever after consider the loss of Glen Canyon
Glen Canyon
his life's ultimate disappointment.[3]

Glen Canyon
Glen Canyon
Dam
Dam
in Page, Arizona

Construction on Glen Canyon
Glen Canyon
Dam
Dam
began with a demolition blast keyed by the push of a button by President Dwight D. Eisenhower
Dwight D. Eisenhower
at his desk in the Oval Office
Oval Office
on October 1, 1956. The first blast started clearing tunnels for water diversion. On February 11, 1959, water was diverted through the tunnels so dam construction could begin. Later that year, the bridge was completed, allowing trucks to deliver equipment and materials for the dam, and also for the new town of Page, Arizona. Concrete placement started around the clock on June 17, 1960. The last bucket of concrete was poured on September 13, 1963. Over 5 million cubic yards (4,000,000 m³) of concrete make up Glen Canyon
Glen Canyon
Dam. The Dam
Dam
is 710 feet (216 m) high, with the surface elevation of the water at full pool being approximately 3700 feet (1100 m). Construction of the Dam
Dam
cost $155 million, and 18 lives were lost in the process. From 1970 to 1980, turbines and generators were installed for hydroelectricity. On September 22, 1966, Glen Canyon
Glen Canyon
Dam
Dam
was dedicated by Lady Bird Johnson.

Lake Powell
Lake Powell
in 2007

Upon completion of Glen Canyon
Glen Canyon
Dam
Dam
on September 13, 1963, the Colorado River
River
began to back up, no longer being diverted through the tunnels. The newly flooded Glen Canyon
Glen Canyon
formed Lake Powell. It took 11 years for the lake to fill to the 3,700 feet (1,100 m) level, on June 22, 1980. The lake level fluctuates considerably depending on the seasonal snow runoff from the Rocky Mountains.[4][5][6] The all-time highest water level was reached on July 14, 1983, during one of the heaviest Colorado River
Colorado River
floods in recorded history, in part influenced by a strong El Niño event. The lake rose to 3,708.34 feet (1,130.30 m) above sea level, with a water content of 25,757,086 acre feet (31.770898 km3).[7]

Lake Powell
Lake Powell
and Grand Staircase-Escalante from space, 2016

Colorado River
Colorado River
flows have been below average since the year 2000, leading to lower lake levels. In the winter of 2005 (before the spring run-off) the lake reached its lowest level since filling, an elevation of 3,555.10 feet (1,083.59 m)[8] above sea level, which was approximately 150 feet (46 m) below full pool. Since 2005 the lake level has slowly rebounded, although it has not filled completely since then. Summer 2011 saw the third largest June and the second largest July runoff since the closure of Glen Canyon
Glen Canyon
Dam, and the water level peaked at nearly 3,661 feet (1,116 m), 77 percent of capacity, on July 30.[9] However, the years 2012 and 2013 were, respectively, the third and fourth-lowest runoff years recorded on the Colorado
Colorado
River. By April 9, 2014 the lake level had fallen to 3,574.31 feet (1,089.45 m), largely erasing the gains made in 2011.[10] Colorado River
Colorado River
levels returned to normal during water years 2014 and 2015 (pushing the lake to 3,606 feet (1,099 m) by the end of water year 2015[11]), a trend projected to continue in 2016. However, the Bureau of Reclamation in 2014 reduced the Lake Powell
Lake Powell
release from 8.23 to 7.48 million acre-feet, for the first time since the lake filled in 1980. This was done due to the "equalization" guideline which stipulates that an approximately equal amount of water must be retained in both Lake Powell
Lake Powell
and Lake Mead, in order to preserve hydro-power generation capacity at both lakes. This resulted in Lake Mead declining to the lowest level on record since the 1930s. Climate[edit] These data are for the Wahweap climate station on Lake Powell
Lake Powell
just south of the Utah- Arizona
Arizona
border.

Climate data for Wahweap, AZ

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year

Record high °F (°C) 69 (21) 78 (26) 85 (29) 94 (34) 104 (40) 110 (43) 120 (49) 115 (46) 105 (41) 96 (36) 80 (27) 70 (21) 120 (49)

Average high °F (°C) 47.2 (8.4) 53.8 (12.1) 63.0 (17.2) 72.8 (22.7) 83.8 (28.8) 94.1 (34.5) 98.8 (37.1) 95.7 (35.4) 87.7 (30.9) 73.7 (23.2) 58.3 (14.6) 47.1 (8.4) 73 (22.78)

Average low °F (°C) 26.9 (−2.8) 31.8 (−0.1) 37.8 (3.2) 44.6 (7) 54.9 (12.7) 64.1 (17.8) 71.3 (21.8) 69.3 (20.7) 60.7 (15.9) 48.9 (9.4) 36.9 (2.7) 27.4 (−2.6) 47.88 (8.81)

Record low °F (°C) −2 (−19) 4 (−16) 21 (−6) 16 (−9) 29 (−2) 40 (4) 48 (9) 51 (11) 36 (2) 24 (−4) 15 (−9) 3 (−16) −2 (−19)

Average precipitation inches (mm) 0.59 (15) 0.56 (14.2) 0.63 (16) 0.37 (9.4) 0.36 (9.1) 0.17 (4.3) 0.51 (13) 0.75 (19) 0.59 (15) 0.85 (21.6) 0.57 (14.5) 0.41 (10.4) 6.36 (161.5)

Average snowfall inches (cm) 0.2 (0.5) 0.2 (0.5) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0 (0) 0.3 (0.8) 0.7 (1.8)

Source: http://www.wrcc.dri.edu/cgi-bin/cliMAIN.pl?az9114

Geology[edit]

The southwestern portion of Lake Powell
Lake Powell
in Arizona

Aerial view on Tower Butte (Arizona)

Glen Canyon
Glen Canyon
was carved by differential erosion from the Colorado
Colorado
River over an estimated 5 million years. The Colorado
Colorado
Plateau, through which the canyon cuts, arose some 11 million years ago. Within that plateau lie layers of rock from over 300 million years ago to the relatively recent volcanic activity. Pennsylvanian and Permian
Permian
formations can be seen in Cataract Canyon
Cataract Canyon
and San Juan Canyon. The Moenkopi Formation, which dates from 230 million years ago (Triassic Period), and the Chinle Formation
Chinle Formation
are found at Lees Ferry and the Rincon. Both formations are the result of the ancient inland sea that covered the area. Once the sea drained, windblown sand invaded the area, creating what is known as Wingate Sandstone. The more recent (Jurassic Period) formations include Kayenta Sandstone, which produces the trademark blue-black "desert varnish" that streaks down many walls of the canyons. Above this is Navajo Sandstone. Many of the arches, including Rainbow Bridge, lie at this transition point. This period also includes light yellow Entrada Sandstone, and the dark brown, almost purple Carmel Formation. These latter two can be seen on the tops of mesas around Wahweap, and the crown of Castle Rock and Tower Butte. Above these layers lie the sandstone, conglomerate and shale of the Straight Cliffs Formation that underlies the Kaiparowits Plateau
Kaiparowits Plateau
and San Rafael Swell
San Rafael Swell
to the north of the lake. The confluences of the Escalante, Dirty Devil and San Juan rivers with the Colorado
Colorado
lie within Lake Powell. The slower flow of the San Juan river has produced goosenecks where 5 miles (8.0 km) of river are contained within 1-mile (1.6 km) on a straight line. Landmarks[edit]

Rainbow Bridge

Glen Canyon
Glen Canyon
Dam, the dam that keeps Lake Powell
Lake Powell
the way it is today. (location: Lake Powell's Arizona
Arizona
part) Rainbow Bridge, one of the world's largest natural bridges. (location: Lake Powell's Utah
Utah
part) Hite Crossing Bridge, the only bridge spanning Lake Powell. Although the bridge informally marks the upstream limit of the lake, when the lake is at its normal high water elevation, backwater can stretch up to 30 miles (48 km) upstream into Cataract Canyon

Popular culture[edit] Lake Powell
Lake Powell
has been a shooting location for 45 television series and films,[12] including:

Gravity (2013) John Carter (2012) Doctor Who: The Impossible Astronaut
The Impossible Astronaut
and The Wedding of River
River
Song (2011) Walking with Monsters (2005), the BBC prequel to Walking with Dinosaurs as a stand-in for inland Silurian Evolution (2001) Planet of the Apes (both 1968 and 2001 versions) Maverick (1994) Koyaanisqatsi
Koyaanisqatsi
(1982)

Features[edit]

Area features, click to enlarge

The lake's main body stretches up Glen Canyon, but has also filled many (over 90) side canyons. The lake also stretches up the Escalante River
River
and San Juan River
River
where they merge into the main Colorado River. This provides access to many natural geographic points of interest as well as some remnants of the Anasazi
Anasazi
culture.

Rainbow Bridge National Monument Defiance House ruin (Anasazi) Cathedral in the Desert San Juan goosenecks Kaiparowits Plateau Hole-in-the-Rock crossing the Rincon Three-Roof Ruin Padre Bay Waterpocket Fold Antelope Island lies mostly in Arizona
Arizona
just north of Page in the southwest part of Lake Powell.

Development[edit]

The section of Lake Powell
Lake Powell
near Dangling Rope Marina, looking southwest at sunrise

Recreational boating and waterskiing spot in Lake Powell, near Page, Arizona

Access to the lake is limited to developed marinas because most of the lake is surrounded by steep sandstone walls:

Lee's Ferry Page and Wahweap Marina Antelope Point Marina Halls Crossing, Utah
Utah
Marina Bullfrog Marina Hite Marina

The following marinas are accessible only by boat:

Dangling Rope Marina Rainbow Bridge National Monument Escalante Subdistrict

Glen Canyon
Glen Canyon
National Recreation Area draws more than two million visitors annually. Recreational activities include boating, fishing, waterskiing, jet-skiing, and hiking. Prepared campgrounds can be found at each marina, but many visitors choose to rent a houseboat or bring their own camping equipment, find a secluded spot somewhere in the canyons, and make their own camp (there are no restrictions on where visitors can stay). The Castle Rock Cut is one of the most important navigational channels in the lake; it was blasted as early as the 1970s to allow boaters to bypass the winding canyons between the Glen Canyon
Glen Canyon
Dam
Dam
and reaches of Lake Powell
Lake Powell
further upstream – saving, on average, one hour of travel time. The cut has been deepened several times since then, to allow the use of the channel during droughts.[13] During the protracted 21st century drought, however, the lake has dropped so quickly on several occasions that the cut dried up during the summer tourist season, most recently in 2013. Continued deepening of the Castle Rock cut has been criticized for its high cost, but boaters and the National Park Service
National Park Service
argue that it improves safety, saves millions of dollars in fuel, and improves emergency response time.[14] Currently most Marinas on the lake don't have Automatic Identification System monitoring stations that transmit boat positions to the AIS websites for the boating community. A substantial number of vessels on the lake do not have AIS transponders as there currently are no mandatory requirements for AIS usage for this body of water. Extra precautions must be taken with respect to boating safety, as the fractal nature of the lake's hydrologic surface area can allow vessels with limited charting equipment to become easily lost. The burying of human (and pet) waste in Glen Canyon
Glen Canyon
National Recreation Area is prohibited. Anyone who camps farther than a quarter of a mile from a marina, however, must bring a portable toilet. Pet waste must also be packed out. The southwestern end of Lake Powell
Lake Powell
in Arizona
Arizona
can be accessed via U.S. Route 89 and State Route 98. State Route 95 and State Route 276 lead to the northeastern end of the lake in Utah.

Fish species[edit] Some of these fish species are on the US Endangered Species List. Currently most native species on the Colorado River
Colorado River
Basin are subject to ongoing restoration efforts of some kind.

Bass

Smallmouth bass Largemouth bass Striped bass

Carp, pike and others

Crappie Sunfish Channel catfish Northern pike Walleye Common carp Razorback sucker Brown trout Bonytail chub Gizzard shad

Invasive species[edit] Zebra and quagga mussels first appeared in the United States
United States
in the 1980s.[15] The mussels were initially brought to the United States
United States
through the ballast water of ships entering the Great Lakes. These aquatic invaders soon spread to many bodies of water in the Eastern United States and have even made their way to the western United States. In January 2008,[16][17] Zebra mussels have been detected in several reservoirs along the Colorado River
Colorado River
system such as Lakes Mead, Mojave, and Havasu. By the early 2000s Arizona, California, Nebraska, Kansas, Colorado, Nevada
Nevada
and Utah
Utah
have all confirmed the presence of larval zebra mussels in lakes and reservoirs. Zebra and quagga mussels can be destructive to an ecosystem due to competition for resources with native species. The filtration of zooplankton by the mussels can negatively impact the feeding for some species of fish. Zebra and quagga mussels can attach to hard surfaces and build layers on underwater structures. The mussels are known to clog pipes including those in hydroelectric power systems, thus becoming a costly and time-consuming problem for water managers in the West. Control policies have recently been introduced to alleviate the hydroelectric problems as well as ecological problems faced by Western infestation. Beginning in 1999 Lake Powell
Lake Powell
began to visually monitor for the mussels. In 2001 hot water boat decontamination sites were established at Wahweap, Bullfrog, and Halls Crossing marinas. In January 2007, zebra mussels were detected in Lake Mead
Lake Mead
and new action plans were announced to prevent the spread of mussels to Lake Powell. In August 2007, preliminary testing was positive for zebra or quagga larvae in Lake Powell. These tests were deemed false positives, but adult quagga mussels were found in 2013. In August 2010, Lake Powell
Lake Powell
was declared mussel free. Lake Powell introduced a mandatory boat inspection for each watercraft entering the reservoir beginning in June 2009. Effective June 29, 2009, every vessel entering Lake Powell
Lake Powell
must have a mussel certificate, although boat owners were allowed to self-certify. These measures were intended to help prevent vessels from transporting Zebra mussels into Lake Powell. Despite these measures, quagga mussel DNA was detected in 2012 and live mussels were found at a number of sites including the Wahweap Marina in Spring and Summer 2013. As of June 2013 the NPS was attempting a diver based eradication program to find and remove mussels before the lake becomes infested. References[edit]

^ a b c d " Lake Powell
Lake Powell
Water Database". lakepowell.water-data.com. 2013. Retrieved 15 March 2013.  ^ Martin, Russell (1989). A Story that Stands Like a Dam: Glen Canyon and the Struggle for the Soul of the West. New York: Henry Holt & Company. ISBN 0-8050-0822-5.  ^ McPhee, John (1971). Encounters with the Archdruid. New York: Farrar, Straus, and Giroux. ISBN 0-374-14822-8.  ^ "Upper Colorado
Colorado
Region Water Resources Group : Lake Powell : Water Operations Data: Elevation, Content, Inflow & Release for last 40 Days". United States
United States
Bureau of Reclamation. 2013. Archived from the original on 17 March 2013. Retrieved 15 March 2013.  ^ "Upper Colorado
Colorado
Region Water Operations: Current Status: Lake Powell". United States
United States
Bureau of Reclamation. 2013. Retrieved 15 March 2013.  ^ "Lake Levels/ River
River
Flow". Arizona
Arizona
Game and Fish Department. 2013. Retrieved 15 March 2013.  ^ "Water Database". Lakepowell.water-data.com. Retrieved 2016-07-22.  ^ "Water Database". Lakepowell.water-data.com. Retrieved 2016-07-22.  ^ "Water Database". Lakepowell.water-data.com. Retrieved 2016-07-22.  ^ "Water Database". Lakepowell.water-data.com. Retrieved 2016-07-22.  ^ "Water Database". Lakepowell.water-data.com. Retrieved 2016-07-22.  ^ IMBD, film locations near Page, Arizona
Arizona
(Lake Powell) ^ http://azdailysun.com/news/local/deeper-lake-powell-shortcut-completed/article_a06f0d4e-d5a7-11e3-9e66-001a4bcf887a.html ^ http://www.nationalparkstraveler.com/2014/01/castle-rock-cut-be-deepened-again-glen-canyon-national-recreation-area24563 ^ "Zebra Mussel Watch". Friends of Lake Powell. 2009. Retrieved 15 March 2013.  ^ "Zebra Mussels detected in Lake Pueblo State Park". Colorado
Colorado
Parks and Wildlife. 17 January 2008. Archived from the original on 15 July 2012. Retrieved 15 March 2013.  ^ "Zebra mussels detected at Lake Pueblo State Park". The Denver Post. 17 January 2008. Retrieved 15 March 2013. 

Bibliography[edit]

Martin, Russell, A Story That Stands Like a Dam: Glen Canyon
Glen Canyon
and the Struggle for the Soul of the West, Henry Holt & Co, 1989 McPhee, John, "Encounters with the Archdruid," Farrar, Straus, and Giroux, 1971 Nichols, Tad, Glen Canyon: Images of a Lost World, Santa Fe: Museum of New Mexico
New Mexico
Press, 2000 Abbey, Edward, Desert Solitaire, Ballantine Books, 1985 Glick, Daniel (April 2006). "A Dry Red Season: Uncovering the Glory of Glen Canyon,". National Geographic. Retrieved 2007-10-21.  Farmer, Jared, Glen Canyon
Glen Canyon
Dammed: Inventing Lake Powell
Lake Powell
and the Canyon Country, Tucson: The University of Arizona
Arizona
Press, 1999 Stiles, Jim, The Brief but Wonderful Return of Cathedral in the Desert, Salt Lake Tribune, June 7, 2005

External links[edit]

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Wikimedia Commons has media related to Lake Powell.

Glen Canyon
Glen Canyon
National Recreation 100th Meridian Initiative Zebra Mussel Information System Quagga and Zebra Mussel FAQs Lake Powell
Lake Powell
Receives Mussel Free Rating Lake Powell
Lake Powell
Launching Restrictions to Begin June 29, 2009 "Report on Lake Powell" (PDF).  (503 KB) by the Utah Division of Water Quality Glen Canyon
Glen Canyon
National Recreation Area (National Park Service) Glen Canyon
Glen Canyon
Institute - organization in favor of decommissioning Glen Canyon Dam Friends of Lake Powell
Lake Powell
- organization opposed to decommissioning Glen Canyon Dam Water Level in Lake Powell, slide show of ten years of images from NASA’s Landsat 5
Landsat 5
satellite, showing dramatic fluctuations in water levels in Lake Powell. Daily data of level and flow from US Department of the Interior Bureau of Reclamation Lower Colorado
Colorado
Region Lake Powell
Lake Powell
Water Database - water level, basin snowpack, and other statistics Arizona
Arizona
Boating
Boating
Locations Facilities Map Arizona
Arizona
Fishing
Fishing
Locations Map Page/ Lake Powell
Lake Powell
Chamber of Commerce Lake Powell
Lake Powell
Resorts and Marinas

v t e

Colorado River
Colorado River
Storage Project Infrastructure

Dams

Fontenelle Dam Glen Canyon
Glen Canyon
Dam Flaming Gorge Dam Navajo Dam Crystal Dam Morrow Point Dam Blue Mesa Dam

Reservoirs

Fontenelle Reservoir Lake Powell Flaming Gorge Reservoir Navajo Lake Crystal Reservoir Morrow Point Reservoir Blue Mesa Reservoir

Water resources projects

Animas-La Plata Water Project Bostwick Park Project Central Utah
Utah
Project Dallas Creek Project Dolores Project Eden Project Emery County Project Florida Project Hammond Project La Barge Project Lyman Project Navajo Indian Irrigation Project Paonia Project Pine River
River
Project San Juan-Chama Project Seedskadee Project Silt Project Smith Fork Project

Rivers

Colorado
Colorado
River Green River Gunnison River San Juan River

v t e

Colorado River
Colorado River
system

Jurisdictions

United States

Arizona California Colorado Nevada New Mexico Utah Wyoming

Mexico

Baja California Sonora

Canyons

Byers Canyon Gore Canyon Red Gorge Glenwood Canyon De Beque Canyon Horsethief Canyon Ruby Canyon Westwater Canyon Cataract Canyon Narrow Canyon Glen Canyon Grand Canyon

Marble Canyon Granite Gorge Middle Granite Gorge Lower Granite Gorge

Grand Wash Canyon Iceberg Canyon Virgin Canyon Boulder Canyon Black Canyon Pyramid Canyon Mohave Canyon

Natural features

River
River
course Rocky Mountains Colorado River
Colorado River
Basin Colorado
Colorado
Plateau Grand Lake Horseshoe Bend Sonoran Desert Mojave Desert Lower Colorado River
Colorado River
Valley Mohave Valley Parker Valley Palo Verde Valley Colorado
Colorado
Desert Alamo River New River Salton Sea Imperial Valley Delta Montague Island Gulf of California/Sea of Cortez

Tributaries

Blue River Dirty Devil River Dolores River Escalante River Eagle River Fraser River Gila River Green River Gunnison River Kanab Creek Little Colorado
Colorado
River Paria River Roaring Fork River San Juan River Thunder River/Tapeats Creek Virgin River Las Vegas Wash Williams Fork Río Hardy

Engineering

Mainstem dams

Shadow Mountain Granby Windy Gap Grand Valley Price-Stubb Glen Canyon Hoover Davis Parker Headgate Rock Palo Verde Imperial Laguna Morelos

Major reservoirs

Fontenelle Reservoir Flaming Gorge Reservoir Blue Mesa Reservoir Navajo Lake Lake Powell Lake Mead Lake Mohave Lake Havasu Imperial Reservoir Theodore Roosevelt Lake San Carlos Lake

Aqueducts and canals

Grand Ditch Colorado River
Colorado River
Aqueduct San Diego Aqueduct Central Arizona
Arizona
Project All-American Canal Coachella Canal

Water projects

Boulder Canyon Project Colorado-Big Thompson Project Colorado River
Colorado River
Storage Project Grand Valley AVA Yuma Project

Designated areas

Arches National Park Canyonlands National Park Colorado
Colorado
National Monument Dead Horse Point State Park Glen Canyon
Glen Canyon
National Recreation Area Grand Canyon
Grand Canyon
National Park Lake Mead
Lake Mead
National Recreation Area Rocky Mountain National Park

Related topics

Arizona
Arizona
v. California Colorado River
Colorado River
Board of California Colorado River
Colorado River
Compact Floyd Dominy Lee's Ferry International Boundary and Water Commission Metropolitan Water District of Southern California Rapids and features U.S. Bureau of Reclamation William Mulholland

v t e

Glen Canyon
Glen Canyon
National Recreation Area

Bodies of water

Coyote Gulch Horseshoe Bend Lake Powell Padre Bay

Geology

Cataract Canyon Glen Canyon Gregory Natural Bridge Music Temple Rainbow Bridge National Monument

Facilities

Bullfrog Marina Glen Canyon
Glen Canyon
Dam Hite Crossing Bridge Lee's Ferry
Lee's Ferry
and Lonely Dell Ranch

Related

Risks to the Glen Canyon
Glen Canyon
Dam Wa

.