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Groundwater levels for the Nation

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  • 383652076495701
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USGS 383652076495701 CH Bg 13

Charles County, Maryland
Latitude  38°36'52", Longitude  76°49'57" NAD27
Land-surface elevation 126.27 feet above NGVD29
The depth of the well is 22.60 feet below land surface.
The depth of the hole is 30 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Calvert Formation (122CLVR) local aquifer.
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Table of data
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Reselect period
Date Time
?
 
Water-level
date-time
accuracy
?
 
Parameter
code 		Water
level,
feet
below
land
surface		 Water
level,
feet
above
specific
vertical
datum		 Referenced
vertical
datum
?
 
Status
?
 
Method of
measurement
?
 
Measuring
agency
?
 
Source of
measurement
?
 
Water-level
approval
status
1983-08-24 D62610 119.20NGVD291Z  A
1983-08-24 D62611 118.38NAVD881Z  A
1983-08-24 D720197.07  1Z  A
1983-09-1614:25 UTCm62610 119.65NGVD291S  A
1983-09-1614:25 UTCm62611 118.83NAVD881S  A
1983-09-1614:25 UTCm720196.62  1S  A
1983-11-1618:00 UTCm62610 121.27NGVD291S  A
1983-11-1618:00 UTCm62611 120.45NAVD881S  A
1983-11-1618:00 UTCm720195.00  1S  A
1983-12-0822:10 UTCm62610 121.13NGVD291S  A
1983-12-0822:10 UTCm62611 120.31NAVD881S  A
1983-12-0822:10 UTCm720195.14  1S  A
1983-12-2917:45 UTCm62610 121.61NGVD291S  A
1983-12-2917:45 UTCm62611 120.79NAVD881S  A
1983-12-2917:45 UTCm720194.66  1S  A
1984-01-2519:45 UTCm62610 121.19NGVD291S  A
1984-01-2519:45 UTCm62611 120.37NAVD881S  A
1984-01-2519:45 UTCm720195.08  1S  A
1984-02-2717:17 UTCm62610 121.15NGVD291S  A
1984-02-2717:17 UTCm62611 120.33NAVD881S  A
1984-02-2717:17 UTCm720195.12  1S  A
1984-04-11 D62610 121.12NGVD291Z  A
1984-04-11 D62611 120.30NAVD881Z  A
1984-04-11 D720195.15  1Z  A
1984-05-14 D62610 120.85NGVD291Z  A
1984-05-14 D62611 120.03NAVD881Z  A
1984-05-14 D720195.42  1Z  A
1984-06-12 D62610 120.34NGVD291Z  A
1984-06-12 D62611 119.52NAVD881Z  A
1984-06-12 D720195.93  1Z  A
1984-07-12 D62610 120.40NGVD291Z  A
1984-07-12 D62611 119.58NAVD881Z  A
1984-07-12 D720195.87  1Z  A
1984-08-09 D62610 120.35NGVD291Z  A
1984-08-09 D62611 119.53NAVD881Z  A
1984-08-09 D720195.92  1Z  A
1984-09-12 D62610 119.54NGVD291Z  A
1984-09-12 D62611 118.72NAVD881Z  A
1984-09-12 D720196.73  1Z  A
1984-10-10 D62610 119.74NGVD291Z  A
1984-10-10 D62611 118.92NAVD881Z  A
1984-10-10 D720196.53  1Z  A
1984-11-01 D62610 120.18NGVD291Z  A
1984-11-01 D62611 119.36NAVD881Z  A
1984-11-01 D720196.09  1Z  A
1987-10-07 D62610 120.32NGVD291Z  A
1987-10-07 D62611 119.50NAVD881Z  A
1987-10-07 D720195.95  1Z  A
1988-04-13 D62610 121.22NGVD291Z  A
1988-04-13 D62611 120.40NAVD881Z  A
1988-04-13 D720195.05  1Z  A
1988-10-13 D62610 121.03NGVD291Z  A
1988-10-13 D62611 120.21NAVD881Z  A
1988-10-13 D720195.24  1Z  A
1989-04-13 D62610 121.25NGVD291Z  A
1989-04-13 D62611 120.43NAVD881Z  A
1989-04-13 D720195.02  1Z  A
1989-10-12 D62610 120.90NGVD291Z  A
1989-10-12 D62611 120.08NAVD881Z  A
1989-10-12 D720195.37  1Z  A
1990-03-23 D62610 121.18NGVD291Z  A
1990-03-23 D62611 120.36NAVD881Z  A
1990-03-23 D720195.09  1Z  A
1990-10-16 D62610 120.15NGVD291Z  A
1990-10-16 D62611 119.33NAVD881Z  A
1990-10-16 D720196.12  1Z  A
1991-04-09 D62610 121.09NGVD291Z  A
1991-04-09 D62611 120.27NAVD881Z  A
1991-04-09 D720195.18  1Z  A
1991-10-02 D62610 119.93NGVD291Z  A
1991-10-02 D62611 119.11NAVD881Z  A
1991-10-02 D720196.34  1Z  A
1992-04-07 D62610 121.02NGVD291Z  A
1992-04-07 D62611 120.20NAVD881Z  A
1992-04-07 D720195.25  1Z  A
1992-10-07 D62610 120.79NGVD291Z  A
1992-10-07 D62611 119.97NAVD881Z  A
1992-10-07 D720195.48  1Z  A
1993-04-07 D62610 121.38NGVD291Z  A
1993-04-07 D62611 120.56NAVD881Z  A
1993-04-07 D720194.89  1Z  A
1993-10-06 D62610 120.11NGVD291Z  A
1993-10-06 D62611 119.29NAVD881Z  A
1993-10-06 D720196.16  1Z  A
1994-04-13 D62610 121.65NGVD291Z  A
1994-04-13 D62611 120.83NAVD881Z  A
1994-04-13 D720194.62  1Z  A
1994-10-12 D62610 120.73NGVD291Z  A
1994-10-12 D62611 119.91NAVD881Z  A
1994-10-12 D720195.54  1Z  A
1995-04-12 D62610 121.13NGVD291Z  A
1995-04-12 D62611 120.31NAVD881Z  A
1995-04-12 D720195.14  1Z  A
1995-10-12 D62610 120.20NGVD291Z  A
1995-10-12 D62611 119.38NAVD881Z  A
1995-10-12 D720196.07  1Z  A
1996-04-04 D62610 121.52NGVD291Z  A
1996-04-04 D62611 120.70NAVD881Z  A
1996-04-04 D720194.75  1Z  A
1996-10-03 D62610 121.11NGVD291Z  A
1996-10-03 D62611 120.29NAVD881Z  A
1996-10-03 D720195.16  1Z  A
1997-04-09 D62610 121.20NGVD291Z  A
1997-04-09 D62611 120.38NAVD881Z  A
1997-04-09 D720195.07  1Z  A
1997-10-22 D62610 120.41NGVD291Z  A
1997-10-22 D62611 119.59NAVD881Z  A
1997-10-22 D720195.86  1Z  A
1998-04-17 D62610 122.13NGVD291Z  A
1998-04-17 D62611 121.31NAVD881Z  A
1998-04-17 D720194.14  1Z  A
1998-10-08 D62610 120.22NGVD291Z  A
1998-10-08 D62611 119.40NAVD881Z  A
1998-10-08 D720196.05  1Z  A
1999-04-09 D62610 121.26NGVD291TUSGSSA
1999-04-09 D62611 120.44NAVD881TUSGSSA
1999-04-09 D720195.01  1TUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracymDate is accurate to the Minute
Parameter code62610Groundwater level above NGVD 1929, feet
Parameter code62611Groundwater level above NAVD 1988, feet
Parameter code72019Depth to water level, feet below land surface
Referenced vertical datumNAVD88North American Vertical Datum of 1988
Referenced vertical datumNGVD29National Geodetic Vertical Datum of 1929
Status1Static
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.