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Groundwater levels for the Nation

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  • 383508076540704
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USGS 383508076540704 CH Bf 159

Charles County, Maryland
Latitude  38°35'08", Longitude  76°54'02" NAD27
Land-surface elevation 180 feet above NGVD29
The depth of the well is 18 feet below land surface.
The depth of the hole is 20 feet below land surface.
This well is completed in the Pliocene Series (121PLCN) local aquifer.
Output formats
Table of data
Tab-separated 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
1987-07-16 D62610 173.00NGVD291L  A
1987-07-16 D62611 172.23NAVD881L  A
1987-07-16 D720197.00  1L  A
1990-04-12 D62610 175.67NGVD291Z  A
1990-04-12 D62611 174.90NAVD881Z  A
1990-04-12 D720194.33  1Z  A
1990-05-11 D62610 175.74NGVD291Z  A
1990-05-11 D62611 174.97NAVD881Z  A
1990-05-11 D720194.26  1Z  A
1990-06-12 D62610 176.09NGVD291Z  A
1990-06-12 D62611 175.32NAVD881Z  A
1990-06-12 D720193.91  1Z  A
1990-07-12 D62610 174.81NGVD291Z  A
1990-07-12 D62611 174.04NAVD881Z  A
1990-07-12 D720195.19  1Z  A
1990-07-26 D62610 174.31NGVD291Z  A
1990-07-26 D62611 173.54NAVD881Z  A
1990-07-26 D720195.69  1Z  A
1990-08-29 D62610 174.42NGVD291Z  A
1990-08-29 D62611 173.65NAVD881Z  A
1990-08-29 D720195.58  1Z  A
1990-09-26 D62610 173.11NGVD291Z  A
1990-09-26 D62611 172.34NAVD881Z  A
1990-09-26 D720196.89  1Z  A
1990-10-17 D62610 172.56NGVD291Z  A
1990-10-17 D62611 171.79NAVD881Z  A
1990-10-17 D720197.44  1Z  A
1990-10-30 D62610 172.61NGVD291Z  A
1990-10-30 D62611 171.84NAVD881Z  A
1990-10-30 D720197.39  1Z  A
1990-11-26 D62610 172.20NGVD291Z  A
1990-11-26 D62611 171.43NAVD881Z  A
1990-11-26 D720197.80  1Z  A
1990-12-27 D62610 172.51NGVD291Z  A
1990-12-27 D62611 171.74NAVD881Z  A
1990-12-27 D720197.49  1Z  A
1991-01-29 D62610 174.25NGVD291Z  A
1991-01-29 D62611 173.48NAVD881Z  A
1991-01-29 D720195.75  1Z  A
1991-02-26 D62610 174.63NGVD291Z  A
1991-02-26 D62611 173.86NAVD881Z  A
1991-02-26 D720195.37  1Z  A
1991-03-26 D62610 174.01NGVD291Z  A
1991-03-26 D62611 173.24NAVD881Z  A
1991-03-26 D720195.99  1Z  A
1991-04-25 D62610 174.20NGVD291Z  A
1991-04-25 D62611 173.43NAVD881Z  A
1991-04-25 D720195.80  1Z  A
1991-06-11 D62610 172.65NGVD291Z  A
1991-06-11 D62611 171.88NAVD881Z  A
1991-06-11 D720197.35  1Z  A
1991-06-26 D62610 172.20NGVD291Z  A
1991-06-26 D62611 171.43NAVD881Z  A
1991-06-26 D720197.80  1Z  A
1991-08-07 D62610 171.55NGVD291Z  A
1991-08-07 D62611 170.78NAVD881Z  A
1991-08-07 D720198.45  1Z  A
1991-08-27 D62610 170.65NGVD291Z  A
1991-08-27 D62611 169.88NAVD881Z  A
1991-08-27 D720199.35  1Z  A
1991-09-27 D62610 171.15NGVD291Z  A
1991-09-27 D62611 170.38NAVD881Z  A
1991-09-27 D720198.85  1Z  A
1991-10-03 D62610  NGVD29DZ  A
1991-10-03 D62611  NAVD88DZ  A
1991-10-03 D72019   DZ  A
1991-10-28 D62610  NGVD29DZ  A
1991-10-28 D62611  NAVD88DZ  A
1991-10-28 D72019   DZ  A
1991-11-25 D62610  NGVD29DZ  A
1991-11-25 D62611  NAVD88DZ  A
1991-11-25 D72019   DZ  A

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
StatusDSite was dry (no water level was recorded)
Method of measurementLInterpreted from geophysical logs.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.