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Lake Powell Water Levels — Historical and Current

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Horizontal Axis: Years
Vertical Axis: Feet above Mean Sea Level

This chart is dynamically updated. This page reads data from a government archive of water heights for Lake Powell from its first filling to the present, and draws the chart on that basis. The database, located at http://www.usbr.gov/rsvrWater/faces/rvrOSMP.xhtml, is updated once per month. This page's graphic updates itself in step with the data source, over time giving an easy-to-interpret picture of Lake Powell water levels.

 
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