Potentiometric Surface of the Aquia Aquifer in southern Maryland, September 1995
Open-File Report
96-620
By: Stephen E. Curtin, David C. Andreasen, and Frederick K. Mack
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Abstract
A map showing the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in southern Maryland during September 1995 was prepared from water-level measurements in 80 wells. The potentiometric surface was above sea level near the northwestern boundary and outcrop area of the aquifer in topographically high areas of Anne Arundel and Prince Georges Counties, and was below sea level in the remainder of the study area. The hydraulic gradient was directed southeastward toward an extensive cone of depression around well fields at Lexington Park and Solomons Island. Ground-water levels were more than 70 feet below sea level in a 60-square-mile area surrounding the deepest part of the cone of depression and 126 feet below sea level in one well near the center of the cone.
Suggested Citation
Curtin, S.E., Andreasen, D., Mack, F., 1997, Potentiometric Surface of the Aquia Aquifer in southern Maryland, September 1995: U.S. Geological Survey Open-File Report 96-620, 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm., https://doi.org/10.3133/ofr96620.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Potentiometric Surface of the Aquia Aquifer in southern Maryland, September 1995 |
| Series title | Open-File Report |
| Series number | 96-620 |
| DOI | 10.3133/ofr96620 |
| Year Published | 1997 |
| Language | ENGLISH |
| Description | 1 map : photocopy ; 20 x 17 cm., on sheet 28 x 22 cm. |