Lake Powell Is the Second Largest Man-Made Reservoir

Lake Powell is a reservoir on the Colorado River, straddling the border between Utah and Arizona, United States. Most of Lake Powell is located in Utah. Each year two million people visit here.

It is considered as the second largest man-made reservoir by maximum water capacity in the United States behind Lake Mead. 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.

Lake Powell is a water storage facility for the Upper Basin states of the Colorado River Compact. 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).

 

Lake Powell is currently larger than Lake Mead
Lake Powell is currently larger than Lake Mead

 

Lake Powell was created by Glen Canyon Dam which took ten years to build. Started in 1956 the project was done in 1966. 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.

The lake’s main body stretches up Glen Canyon, but has also filled many side-canyons. The lake also stretches up the Escalante River and San Juan 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 culture.

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.

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Source: wikipedia.org