Texas Water Development Board Map – Major Aquifers of Texas |
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1994 Map |
2006 Map |
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Click on the image above to get a larger resolution image. (Source: Texas Water Development Board Report 345, Aquifers of Texas by John B. Ashworth, Geologist and Janie Hopkins, Geologist November 1995 Labeled as page 9.) |
Click on the image above to get a larger resolution image. (Source: Texas Water Development Board updated December 2006 by Mark Hayes, GISP) |
Areal distribution of wells and observed changes in water levels in the Ogallala Aquifer, 1900 to 2000
Click on the image above to get a larger resolution image.
Source: "Changes in Water Levels in Texas" study shows increases in water levels in some Andrews County areas near the WCS site, where many other areas show decreases in Ogallala Aquifer levels.
Full report – "Changes in Water Levels in Texas 1990–2000", Report 371, November 2008, Texas Water Development Board, www.twdb.state.tx.us by Radu Boghici, Page 12