Potentiometric surface of the Magothy Aquifer in southern Maryland during the fall of 1987
Water-Resources Investigations Report
89-4013
By: Frederick K. Mack, David C. Andreasen, Stephen E. Curtin, and Judith C. Wheeler
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Abstract
A map showing the potentiometric surface of the Magothy aquifer in the Cretaceous Magothy Formation in southern Maryland during the fall of 1987 was prepared by using water level measurements in 85 observation wells. The potentiometric surface was highest near the northwestern boundary and outcrop area of the aquifer in topographically high locations of Anne Arundel and Prince Georges Counties. The hydraulic gradient in the study area was generally southeastward or toward the centers of three cones of depression which have developed in response to pumping stresses. These cones formed around well fields in the Annapolis, Waldorf, and Chalk Point areas. The potentiometric surface of the Magothy aquifer was more than 40 ft below sea level in parts of the Waldorf and Chalk Point areas. (USGS)
Suggested Citation
Mack, F., Andreasen, D., Curtin, S.E., Wheeler, J.C., 1989, Potentiometric surface of the Magothy Aquifer in southern Maryland during the fall of 1987: U.S. Geological Survey Water-Resources Investigations Report 89-4013, 1 map ; 21 x 14 cm., on sheet 28 x 22 cm., https://doi.org/10.3133/wri894013.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Potentiometric surface of the Magothy Aquifer in southern Maryland during the fall of 1987 |
| Series title | Water-Resources Investigations Report |
| Series number | 89-4013 |
| DOI | 10.3133/wri894013 |
| Year Published | 1989 |
| Language | ENGLISH |
| Description | 1 map ; 21 x 14 cm., on sheet 28 x 22 cm. |