Lake Powell

ARIZONA - UTAH


Lake Level
3,545.97 FEET
9/26/2021
Full Pool: 3,700.0
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Lake Powell News

A Top Choice of Boat Names Reflects the Times: BoatUS Announces Top 10 Boat Names for 2021

BoatUS News

Date: 7/18/2021

SPRINGFIELD, Va. – It’s been a tumultuous year for Americans, and getting away from it all on a recreational boat has given many the respite they’ve needed. With lives upended, some recreational boat owners have chosen to reflect on the times when selecting a name for their boat. “Social

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2020 U.S. Coast Guard Boating Safety Report Reveals How the Pandemic Affected Boating

BoatUS News

Date: 7/16/2021

A Dive Into the 2020 U.S. Coast Guard Boating Safety Statistics Reveal How the Pandemic Affected Boating in Ways Just Beginning to be Understood ANNAPOLIS, Md., July 16, 2021 – The U.S. Coast Guard recently released the 2020 Recreational Boating Statistics, and reports of accidents, fatalities and injuries were

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A Barometer of the Times, Social Distancing Takes No. 2 Spot in BoatUS Top 10 Boat Names for 2021

BoatUS News

Date: 7/1/2021

SPRINGFIELD, Va., June 29, 2021 – It’s been a tumultuous year for Americans, and getting away from it all on a recreational boat has given many the respite they’ve needed. With lives upended, some recreational boat owners have chosen to reflect on the times when selecting a name for their boat

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2021 Special Report On Fishing Emphasizes Highest Overall Participation in 14 Years - Surge in female, youth, Hispanic, and African American participation supports new record

RBFF News

Date: 6/24/2021

ALEXANDRIA, Va., June 23, 2021 /PRNewswire/ -- Recreational fishing and boating continues to reach new and diverse audiences according to a new industry study from the Recreational Boating & Fishing Foundation (RBFF). The 2021 Special Report on Fishing found that: 19.7 million females went fishing in 2020, a

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Why It May be Better to Donate Your Boat Now, and Not In December

BoatUS News

Date: 6/15/2021

ANNAPOLIS, Md. – Boat owners wishing to do good or take advantage of potential tax benefits may consider donating their boats to charity. Often this decision is made at the end of year just before the start of the new tax season. Waiting until the end of the year, however, could shortchange a boater’s

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• River: Colorado River
• Length: 1,900 Miles
• Surface Area: 161,390 Acres
• Volume: 24,322,000 Acre Feet
• Average Depth: 132 Feet
• Maximum Depth: 583 feet
• Length: 186 Miles
Lake Powell is a reservoir on the Colorado River, straddling the border between Utah and Arizona (most of it, along with Rainbow Bridge, is 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 behind Lake Mead, storing 24,322,069 acre feet 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 is currently larger than Lake Mead in terms of volume of water currently held, depth and surface area.

Lake Powell was created by the flooding of Glen Canyon by the Glen Canyon Dam, which also led to the creation of 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 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 37°17?22?N 110°52?20?W with the Colorado River gives a good view of the extent of the lake.

Lake Powell is a water storage facility for the Upper Basin states of the Colorado River Compact (Colorado, Utah, 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 to the Lower Basin states (Arizona, Nevada, and California).

In the 1940s and early 1950s, the U.S. Bureau of Reclamation planned to construct a series of Colorado River dams in the rugged Colorado Plateau province of Colorado, Utah, and Arizona. Glen Canyon Dam was born of a controversial damsite the Bureau selected in Echo Park, in what is now Dinosaur National Monument in Colorado. A small but politically effective group of objectors led by David Brower of the 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 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 on a river trip, Brower discovered that it had the kind of scenic, cultural, and wilderness qualities often associated with America's national parks. Over 80 side canyons in the colorful 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 from building Glen Canyon Dam. Brower believed the river should remain free, and would forever after consider the loss of Glen Canyon his life's ultimate disappointment.

Construction on Glen Canyon Dam began with a demolition blast keyed by the push of a button by President Dwight D. Eisenhower at his desk in the 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 of concrete make up Glen Canyon Dam. The Dam is 710 feet high, with the surface elevation of the water at full pool being approximately 3700 feet. Construction of the 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 Dam was dedicated by Lady Bird Johnson.

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

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 above sea level, which was approximately 150 feet 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 Dam, and the water level peaked at nearly 3,661 feet, 77 percent of capacity, on July 30. However, the years 2012 and 2013 were, respectively, the third and fourth-lowest runoff years recorded on the Colorado River. By April 9, 2014 the lake level had fallen to 3,574.31 feet, largely erasing the gains made in 2011.

Colorado River levels returned to normal during water years 2014 and 2015 (pushing the lake to 3,606 feet by the end of water year 2015), a trend projected to continue in 2016. However, the Bureau of Reclamation in 2014 reduced the 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 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.
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