| Abstract: | The Hueco bolson aquifer is being pumped at increasing rates to supply water for El Paso, Texas, and Ciudad Juarez, Mexico. Water-use projections for 1984-2000 indicate that the upward trend in pumping rates probably will continue, which will put an increasing burden on the limited freshwater resources of the aquifer. Near El Paso, saline water in the Rio Grande alluvium overlies freshwater in bolson deposits. Withdrawal of ground water has created a large cone of depression in the water table that is centered approximately under the El Paso-Ciudad Juarez urban area. The maximum depth of this cone in January 1984 was about 140 feet below the pre-development (before 1903) water table. The principal concern of the water-management agencies involved with the water supply for El Paso and Ciudad Juarez, and of the U.S. Department of Defense at Fort Bliss to the north of these cities is that the saline water underlying and surrounding the freshwater in the bolson deposits will begin to move into the intensively pumped freshwater zone. Intrusion of large volumes of saline water would contaminate the freshwater and make it unusable for municipal and industrial supply. Changes in ground-water quality, indicated by an increase in dissolved-solids concentrations in well water, have occurred near the El Paso airport and near the Rio Grande. This study focused primarily on simulation of historical and present (1984) ground-water flow and salinity of water in the Hueco bolson aquifer, to help understand and project the movement of saline water in the aquifer to January 2000. The objective of this study was to understand the movement of water resulting from historical and projected pumping, using numerical simulation of the transport of saline water. |
| Genre: | USGS Numbered Series |
| ProdID: | 19161 |
| Citation Author: | Groschen, G. E. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | vi, 87 p. :ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey ;
USGS Earth Science Information Center, Open-File Reports Section [distributor], |
| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 92-171 |
| Citation Search Results Text: | Simulation of ground-water flow and the movement of saline water in the Hueco Bolson aquifer, El Paso, Texas, and adjacent areas; 1994; OFR; 92-171; Groschen, G. E. |
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| Citation Year: | 1994 |
| Type: | citation/reference |
| Text: | Simulation of ground-water flow and the movement of saline water in the Hueco Bolson aquifer, El Paso, Texas, and adjacent areas; 1994; OFR; 92-171; Groschen, G. E. |
| URL (THUMBNAIL): | http://pubs.usgs.gov/of/1992/0171/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/of/1992/0171/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey ;
USGS Earth Science Information Center, Open-File Reports Section [distributor], |
