The above map shows changes in Ogallala aquifer water levels from the historical level to the year 2015. Which is from the period before the development to 2015.
Declining levels of water levels are shown by the colors red, orange, and yellow, rising levels indicated by different shades of blue.
Darker color shows the more change. Gray shows no significant change.
Although water levels have shown rise in some areas, such as Nebraska, water levels are mostly declining, from Colorado and Kansas southward.
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