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USGS 381956076275301 CA Gd 61

PROVISIONAL DATA SUBJECT TO REVISION

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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, 18.10 (ft NGVD29).
The hydrograph below displays both feet below land surface and sea level scales on the dual Y-axes.
LOCATION.--Lat 38°19'56.5", long 76°27'52.6", Hydrologic Unit 02060006, at 
   Calvert Marine Museum, Solomons.
WELL CHARACTERISTICS.--Depth 494 ft. Upper casing diameter 4 in; top of first opening 474 ft, 
   bottom of last opening 494 ft. Drilled, observation, artesian well.
GAGE.--Water-level measurements by U.S. Geological Survey personnel. 
   Equipped with digital water-level recorder, March 18, 2004 to current year. U.S. Geological Survey water-level telemeter at well.
DATUM.--Land-surface datum is 18.1 ft above National Geodetic Vertical Datum of 1929. 
   Measuring point:  Top of recorder shelter platform, 1.90 ft above land-surface datum, Mar. 18, 2004, to present.
PERIOD OF RECORD.--March 2004 to current year.
REMARKS.--Maryland Groundwater-Level Monitoring Network observation well.  
   Water levels are affected by local and regional groundwater withdrawal.
COOPERATION.--Funding for the operation of this station is provided by the Calvert 
   County Dept. of Public Works, the Maryland Geological Survey and the U.S. Geological Survey.
This station managed by the MD-DE-DC Water Science Center Baltimore office.

Available Parameters Available Period
  
2004-03-18  2020-07-06








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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: 157.45 07-06-2020   06:00 EDT
Graph of  Depth to water level, feet below land surface

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