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Potentiometric surface of the Aquia Aquifer in southern Maryland, September 2003

Open-File Report 2005-1004

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Abstract

This report presents a map showing the potentiometric surface of the Aquia aquifer in the Aquia Formation of Paleocene age in Southern Maryland during September 2003. The map is based on water-level measurements in 91 wells. The highest measured water level was 40 feet above sea level near the northern boundary and outcrop area of the aquifer in the central part of Anne Arundel County, and was below sea level just south of this area and in the remainder of the study area. The hydraulic gradient increased southeastward toward an extensive cone of depression around well fields at Lexington Park and Solomons Island. Another cone of depression occurred in northern Calvert County due to pumpage at and near North Beach and Chesapeake Beach. The water level measured in this area has declined to 48 feet below sea level. The lowest water level measured was 156 feet below sea level at the center of a cone of depression at Lexington Park.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Potentiometric surface of the Aquia Aquifer in southern Maryland, September 2003
Series title:
Open-File Report
Series number:
2005-1004
Edition:
-
Year Published:
2005
Language:
ENGLISH
Contributing office(s):
Maryland, Delaware, and the District of Columbia Water Science Center
Description:
1 p.
Time Range Start:
2003-09-01
Time Range End:
2003-09-30