Potentiometric Surface of the Lower Patapsco Aquifer in Southern Maryland, September 1995
Open-File Report
96-623
By: Stephen E. Curtin, David C. Andreasen, and Frederick K. Mack
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Abstract
A map showing the potentiometric surface of the lower Patapsco aquifer in the Patapsco Formation of Cretaceous age in southern Maryland during September 1995 was prepared from water-level measurements in 69 wells. The potentiometric surface was 87 feet above sea level near the northwestern boundary and outcrop area of the aquifer in topographically high areas of Anne Arundel County. From this high area, the potentiometric surface declined to the south and southeast toward large well fields at Crofton, Severndale, Arnold, Annapolis, Waldorf, LaPlata, Indian Head, and Morgantown. The ground-water levels reached 18 feet below sea level at Crofton, 62 feet below sea level at Severndale, 26 feet below sea level at Arnold, more than 20 feet below sea level near Annapolis, 160 feet below sea level in the Waldorf area, nearly 100 feet below sea level at LaPlata, more than 110 feet below sea level at Indian Head, and 75 feet below sea level at the Morgantown powerplant.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Potentiometric Surface of the Lower Patapsco Aquifer in Southern Maryland, September 1995 |
| Series title | Open-File Report |
| Series number | 96-623 |
| DOI | 10.3133/ofr96623 |
| Edition | - |
| Year Published | 1996 |
| Language | ENGLISH |
| Description | 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm. |
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