Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 1995
Open-File Report
96-622
By: Stephen E. Curtin, David C. Andreasen, and Frederick K. Mack
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Abstract
A map showing the potentiometric surface of the upper Patapsco aquifer in the Patapsco Formation of Cretaceous age in southern Maryland during September 1995 was prepared from water-level measurements in 42 wells. The potentiometric surface was nearly 120 feet above sea level near the northwestern boundary and outcrop area of the aquifer in topographically high areas of Anne Arundel County, and 55 feet above sea level in a similar setting in Prince Georges County. From these high areas, the potentiometic surface declined to the south and southeast toward large well fields in the Annapolis and Waldorf areas and at the Chalk Point powerplant. Ground-water levels reached nearly 30 feet below sea level in the Annapolis area, 113 feet below sea level southwest of Waldorf, and more than 30 feet below sea level at the Chalk Point powerplant.
Suggested Citation
Curtin, S.E., Andreasen, D., and Mack, F., 1996, Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 1995: U.S. Geological Survey Open-File Report 96-622, 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm., https://doi.org/10.3133/ofr96622.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 1995 |
| Series title | Open-File Report |
| Series number | 96-622 |
| DOI | 10.3133/ofr96622 |
| Year Published | 1996 |
| Language | ENGLISH |
| Description | 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm. |