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Groundwater levels for the Nation

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Agency code = usgs
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  • 383340076511601
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USGS 383340076511601 CH Cf 33

Charles County, Maryland
Latitude  38°33'40", Longitude  76°51'16" NAD27
Land-surface elevation 89.88 feet above NGVD29
The depth of the well is 22 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 Bradyan Sandstone (112BRDN) local aquifer.
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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
1981-06-02 D62610 81.92NGVD291OUSGSSP
1981-06-02 D62611 81.14NAVD881OUSGSSP
1981-06-02 D720197.96  1OUSGSSP
1983-08-25 D62610 81.92NGVD291Z  A
1983-08-25 D62611 81.14NAVD881Z  A
1983-08-25 D720197.96  1Z  A
1983-09-15 D62610 82.88NGVD291Z  A
1983-09-15 D62611 82.10NAVD881Z  A
1983-09-15 D720197.00  1Z  A
1983-09-16 D62610 82.67NGVD291Z  A
1983-09-16 D62611 81.89NAVD881Z  A
1983-09-16 D720197.21  1Z  A
1983-12-08 D62610 83.84NGVD291Z  A
1983-12-08 D62611 83.06NAVD881Z  A
1983-12-08 D720196.04  1Z  A
1983-12-29 D62610 84.88NGVD291Z  A
1983-12-29 D62611 84.10NAVD881Z  A
1983-12-29 D720195.00  1Z  A
1984-01-25 D62610 83.89NGVD291Z  A
1984-01-25 D62611 83.11NAVD881Z  A
1984-01-25 D720195.99  1Z  A
1984-02-27 D62610 83.83NGVD291Z  A
1984-02-27 D62611 83.05NAVD881Z  A
1984-02-27 D720196.05  1Z  A
1986-04-23 D62610 81.75NGVD291Z  A
1986-04-23 D62611 80.97NAVD881Z  A
1986-04-23 D720198.13  1Z  A
1987-10-07 D62610 82.93NGVD291Z  A
1987-10-07 D62611 82.15NAVD881Z  A
1987-10-07 D720196.95  1Z  A
1988-04-13 D62610 83.61NGVD291Z  A
1988-04-13 D62611 82.83NAVD881Z  A
1988-04-13 D720196.27  1Z  A
1988-10-12 D62610 82.58NGVD291Z  A
1988-10-12 D62611 81.80NAVD881Z  A
1988-10-12 D720197.30  1Z  A
1989-05-10 D62610 84.60NGVD291Z  A
1989-05-10 D62611 83.82NAVD881Z  A
1989-05-10 D720195.28  1Z  A
1989-10-12 D62610 83.41NGVD291Z  A
1989-10-12 D62611 82.63NAVD881Z  A
1989-10-12 D720196.47  1Z  A
1990-03-23 D62610 83.68NGVD291Z  A
1990-03-23 D62611 82.90NAVD881Z  A
1990-03-23 D720196.20  1Z  A
1990-10-16 D62610 82.69NGVD291Z  A
1990-10-16 D62611 81.91NAVD881Z  A
1990-10-16 D720197.19  1Z  A
1991-04-09 D62610 83.50NGVD291Z  A
1991-04-09 D62611 82.72NAVD881Z  A
1991-04-09 D720196.38  1Z  A
1991-10-02 D62610 82.42NGVD291Z  A
1991-10-02 D62611 81.64NAVD881Z  A
1991-10-02 D720197.46  1Z  A
1992-04-07 D62610 83.65NGVD291Z  A
1992-04-07 D62611 82.87NAVD881Z  A
1992-04-07 D720196.23  1Z  A
1992-10-07 D62610 83.33NGVD291Z  A
1992-10-07 D62611 82.55NAVD881Z  A
1992-10-07 D720196.55  1Z  A
1993-04-07 D62610 83.81NGVD291Z  A
1993-04-07 D62611 83.03NAVD881Z  A
1993-04-07 D720196.07  1Z  A
1993-10-06 D62610 81.84NGVD291Z  A
1993-10-06 D62611 81.06NAVD881Z  A
1993-10-06 D720198.04  1Z  A
1994-04-13 D62610 83.91NGVD291Z  A
1994-04-13 D62611 83.13NAVD881Z  A
1994-04-13 D720195.97  1Z  A
1994-10-12 D62610 82.91NGVD291Z  A
1994-10-12 D62611 82.13NAVD881Z  A
1994-10-12 D720196.97  1Z  A
1995-04-12 D62610 83.26NGVD291Z  A
1995-04-12 D62611 82.48NAVD881Z  A
1995-04-12 D720196.62  1Z  A
1995-10-12 D62610 82.22NGVD291Z  A
1995-10-12 D62611 81.44NAVD881Z  A
1995-10-12 D720197.66  1Z  A
1996-04-04 D62610 83.86NGVD291Z  A
1996-04-04 D62611 83.08NAVD881Z  A
1996-04-04 D720196.02  1Z  A
1996-10-03 D62610 83.10NGVD291Z  A
1996-10-03 D62611 82.32NAVD881Z  A
1996-10-03 D720196.78  1Z  A
1997-04-09 D62610 83.42NGVD291Z  A
1997-04-09 D62611 82.64NAVD881Z  A
1997-04-09 D720196.46  1Z  A
1997-10-22 D62610 83.00NGVD291Z  A
1997-10-22 D62611 82.22NAVD881Z  A
1997-10-22 D720196.88  1Z  A
1998-04-17 D62610 84.46NGVD291Z  A
1998-04-17 D62611 83.68NAVD881Z  A
1998-04-17 D720195.42  1Z  A
1998-10-09 D62610 81.52NGVD291Z  A
1998-10-09 D62611 80.74NAVD881Z  A
1998-10-09 D720198.36  1Z  A
1999-04-09 D62610 83.54NGVD291TUSGSSA
1999-04-09 D62611 82.76NAVD881TUSGSSA
1999-04-09 D720196.34  1TUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 measurementOObserved.
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.
Water-level approval statusPProvisional data subject to revision.