Anne Arundel, MD - Confined Aquifer Wells - Water Table Wells USGS Water Resources of Maryland, Delaware, and D.C. Area (WRD MD-DE-DC)

Local Number	Well Depth	aquifer	Period of Record
AA Cc 40	238 ft	Lower Patapsco aquifer in the Patapsco Formation of Lower Cretaceous age	December 1959- current year
AA Cf 99	220 ft	Magothy Formation of Upper Cretaceous age	January 1971 to current year

AA Cc 40

WELL NAME	AA Cc 40
SITE ID	390423076432001
LOCATION	Lat 39°04´23", long 76°43´20", Hydrologic Unit 02060006, on Rifle Range Rd., For George G. Meade. Owner: U.S. Army.
AQUIFER	Lower Patapsco aquifer in the Patapsco Formation of Lower Cretaceous age. Aquifer code: 217PPSCL.
INSTRUMENTATION	Monthly measurements with electric tape by U.S. Geological Survey personnel. Equipped with graphic water-level recorder from Dec. 4, 1959 to July 21, 1960 and Jan. 12 1978 to Dec. 1985.
CHARACTERISTICS	Drilled, observation, artesian well, depth 238 ft; casing diameter 6in, to 208 ft; screened diameter 6 in, from 208 to 238 ft.
DATUM	Altitude of land surface is 136.92 ft above sea level. Measuring point: Top of casing, 2.60 ft above land surface.
REMARKS	Maryland Water-Level Network observation well. Water levels are affected by local groundwater withdrawal.
PERIOD OF RECORD	December 1959 to current year.
EXTREMES FOR RECORD	Highest water level measured, 42.58 ft below land surface, March 25, 1961; lowest measured, 51.69 ft below land surface, Sept. 1, 1992.
COOPERATORS	Maryland Geological Survey
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WELL NAME	AA Cf 99
SITE ID	390150076283002
LOCATION	Lat 39°01´50", long 76°28´30", Hydrologic Unit 02060004, 3.1 mi northeast of Annapolis, near Anne Arundel Co. Traffic Engineering Building, Broad Neck. Owner: Anne Arundel Co. Dept. of Recreation and Parks.
AQUIFER	Magothy Formation of Upper Cretaceous age. Aquifer code: 211MGTY.
INSTRUMENTATION	Monthly measurements with electric tape by U.S. Geological Survey personnel. Equipped with graphic water-level recorder from Sept. 28, 1969 to July 13, 1971.
CHARACTERISTICS	Drilled, artesian, observation well, depth 220 ft; casing diameter 2 in, to 210 ft; screened diameter 2 in, from 210 to 220 ft.
DATUM	Altitude of land surface is 93.70 ft above sea level. Measuring point: Top of casing, 3.60 ft above land surface.
REMARKS	Maryland Water-Level Network observation well. Water levels are affected by local groundwater withdrawal.
PERIOD OF RECORD	January 1971 to current year.
EXTREMES FOR RECORD	Highest water level measured, 89.29 ft below land surface, April 13, 1976; lowest measured, 115.65 ft below land surface, July 11, 1988.
COOPERATORS	Maryland Geological Survey
Download the data for the entire period of record for this well