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USGS 384333076394701 CA Bb 27

PROVISIONAL DATA SUBJECT TO REVISION

Click to hidestation-specific text
Click for larger image LOCATION.--Lat 38°43'33", long 76°39'47", Hydrologic Unit 02060006, at Dunkirk Regional Park, Dunkirk.
WELL CHARACTERISTICS.--Depth 320 ft. Upper casing diameter 4 in; top of first opening 310 ft, bottom of last opening 320 ft. Drilled, observation, artesian well.
GAGE.--Water-level measurements by U.S. Geological Survey personnel. Equipped with digital water-level recorder, Feb. 9, 2004 to current year. U.S. Geological Survey water-level telemeter at well.
DATUM.--Land-surface datum is 137.87 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of 4 in casing, 2.97 ft above land-surface datum, Oct. 19, 2005, to present.
REMARKS.--Maryland Groundwater-Level Monitoring Network observation well. Water levels are affected by regional groundwater withdrawal.
PERIOD OF RECORD.--August 1979 to current year.
EXTREMES FOR PERIOD OF RECORD.--Highest water level measured, 4.05 ft above sea level (133.82 ft below land surface), May 6, 1980; lowest measured, 49.19 ft below sea level (187.06 ft below land surface), Aug. 18, 19, 2007 (recorder).
COOPERATION.--Funding for the operation of this station is provided by the Calvert County Department of Public Works, the Maryland Geological Survey and the U. S. Geological Survey.
Notice:
Water-level values for this site are now being published using the datum reference feet below land surface.
In order to convert the published values to a level in feet related to sea level, subtract the land surface values from the altitude of land surface, 137.87 (ft NGVD29).
The hydrograph below displays both feet below land surface and sea level scales on the dual Y-axes.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
2004-02-09  2021-09-19








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Summary of all available data for this site
Instantaneous-data availability statement


Depth to water level, feet below land surface

Most recent instantaneous value: 178.49 09-19-2021   13:30 EDT
Graph of  Depth to water level, feet below land surface

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