LOCATION.--Lat 39°29'33.4", long 76°41'04.7", Hydrologic Unit 02060003, at Oregon Ridge Park.
WELL CHARACTERISTICS.--Depth 300 ft. Upper casing diameter 6 in; top of first opening 88 ft, bottom of last opening 300 ft. Drilled, observation, water-table well, open hole below 88 ft.
DATUM.--Land-surface datum is 394.6 ft above North American Vertical Datum of 1988. Measuring point: Top of recorder shelter platform, 1.62 ft above land-surface datum, Nov. 3, 1998, to present.
PERIOD OF RECORD.--September 1988 to current year.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 33.46 ft below land surface, April 9, 1997; lowest measured, 45.88 ft below land surface, November 10, 2002 (recorder).
REMARKS.--Maryland Groundwater-Level Monitoring Network and Climate Response Network observation well. U.S. Geological Survey satellite data-collection platform at well. Monthly measurements with electric tape by U.S. Geological Survey personnel.
COOPERATION.--Funding for the operation of this station is provided by the U. S. Geological Survey.

This gage is monitored as part of the National Groundwater and Streamflow Information Program.