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Groundwater levels for the Nation

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Agency code = usgs
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  • 394135076571901
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USGS 394135076571901 CL Ae 23

Carroll County, Maryland
Latitude  39°41'35", Longitude  76°57'19" NAD27
Land-surface elevation 920 feet above NGVD29
The depth of the well is 248 feet below land surface.
The depth of the hole is 248 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Marburg Formation (300MRBG) local aquifer.
Output formats
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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
1973-10-09 D62610 840.00NGVD291L  A
1973-10-09 D62611 839.34NAVD881L  A
1973-10-09 D7201980.00  1L  A
1975-11-06 D62610 869.40NGVD291Z  A
1975-11-06 D62611 868.74NAVD881Z  A
1975-11-06 D7201950.60  1Z  A
1975-11-17 D62610 876.92NGVD291Z  A
1975-11-17 D62611 876.26NAVD881Z  A
1975-11-17 D7201943.08  1Z  A
1975-12-05 D62610 870.50NGVD291Z  A
1975-12-05 D62611 869.84NAVD881Z  A
1975-12-05 D7201949.50  1Z  A
1975-12-29 D62610 865.00NGVD291Z  A
1975-12-29 D62611 864.34NAVD881Z  A
1975-12-29 D7201955.00  1Z  A
1976-01-14 D62610 875.32NGVD291Z  A
1976-01-14 D62611 874.66NAVD881Z  A
1976-01-14 D7201944.68  1Z  A
1976-01-28 D62610 879.40NGVD291Z  A
1976-01-28 D62611 878.74NAVD881Z  A
1976-01-28 D7201940.60  1Z  A
1976-02-12 D62610 874.02NGVD291Z  A
1976-02-12 D62611 873.36NAVD881Z  A
1976-02-12 D7201945.98  1Z  A
1976-03-02 D62610 872.50NGVD291Z  A
1976-03-02 D62611 871.84NAVD881Z  A
1976-03-02 D7201947.50  1Z  A
1976-03-16 D62610 871.09NGVD291Z  A
1976-03-16 D62611 870.43NAVD881Z  A
1976-03-16 D7201948.91  1Z  A
1976-03-31 D62610 872.20NGVD291Z  A
1976-03-31 D62611 871.54NAVD881Z  A
1976-03-31 D7201947.80  1Z  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
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.