Nebraska Water Science Center
High Plains Aquifer Resources and Information
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| State | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Characteristic | Unit | Total | CO | KS | NE | NM | OK | SD | TX | WY |
| Area underlain by aquifer | mi2 | 174,050 | 14,900 | 30,500 | 63,650 | 9,450 | 7,350 | 4,750 | 35,450 | 8,000 |
| Percent of total aquifer area | Percent | 100 | 8.6 | 17.5 | 36.6 | 5.4 | 4.2 | 2.7 | 20.4 | 4.6 |
| Percent of each state underlain by aquifer | Percent | -- | 14 | 38 | 83 | 8 | 11 | 7 | 13 | 8 |
| Average area-weighted saturated thickness in 1980 | Ft | 190 | 79 | 101 | 342 | 51 | 130 | 207 | 110 | 182 |
| Volume of drainable water in storage in 1980 | Million acre-ft | 3,250 | 120 | 320 | 2,130 | 50 | 110 | 60 | 390 | 70 |
* Table modified from Dugan and others, 1994 (http://pubs.er.usgs.gov/usgspubs/wri/wri944027).
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Dugan, J.T., McGrath, Timothy, and Zelt, R.B., 1994, Water-level changes in the High Plains aquifer--predevelopment to 1992: U.S. Geological Survey Water-Resources Investigations Report 94-4027, 56 p.
Gutentag, E.D., Heimes, F.J., Krothe, N.C., Luckey, R.R., and Weeks, J.B., 1984, Geohydrology of the High Plains aquifer in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming: U.S. Geological Survey Professional Paper 1400-B, 63 p.