Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 2002
Open-File Report
2003-257
By: Stephen E. Curtin, David C. Andreasen, and Judith C. Wheeler
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Abstract
This report presents a map showing the potentiometric surface of the Upper Patapsco aquifer in the Patapsco Formation of Lower Cretaceous age in Southern Maryland during September 2002. The map is based on water-level measurements in 50 wells. The highest measured water level was 117 feet above sea level near the northern boundary and outcrop area of the aquifer in northern Anne Arundel County. From this area, the potentiometric surface declined to the southeast toward large well fields in Arnold and Annapolis, and from all directions toward a cone of depression located southwest of Waldorf. The measured ground-water level declined to 36 feet below sea level in Arnold, and to 23 feet below sea level in Annapolis. The lowest water level measured was 136 feet below sea level southwest of Waldorf.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 2002 |
| Series title | Open-File Report |
| Series number | 2003-257 |
| DOI | 10.3133/ofr2003257 |
| Year Published | 2003 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | Maryland-Delaware-District of Columbia Water Science Center |
| Description | HTML Document |
| Time Range Start | 2002-09-01 |
| Time Range End | 2002-09-30 |
| Country | United States |
| State | Maryland |
| Scale | 250000 |
| Google Analytic Metrics | Metrics page |