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Groundwater levels for the Nation

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Agency code = usgs
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  • 391715076472201
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USGS 391715076472201 HO Bf 67

Howard County, Maryland
Latitude  39°17'15", Longitude  76°47'22" NAD27
Land-surface elevation 425 feet above NGVD29
The depth of the well is 161 feet below land surface.
The depth of the hole is 161 feet below land surface.
This well is completed in the Mount Washington Amphibolite (300MWSG) 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
1988-10-05 D62610 400.73NGVD291Z  A
1988-10-05 D62611 400.02NAVD881Z  A
1988-10-05 D7201924.27  1Z  A
1988-11-03 D62610 399.81NGVD291Z  A
1988-11-03 D62611 399.10NAVD881Z  A
1988-11-03 D7201925.19  1Z  A
1988-12-02 D62610 400.25NGVD291Z  A
1988-12-02 D62611 399.54NAVD881Z  A
1988-12-02 D7201924.75  1Z  A
1989-02-01 D62610 401.59NGVD291Z  A
1989-02-01 D62611 400.88NAVD881Z  A
1989-02-01 D7201923.41  1Z  A
1989-03-01 D62610 404.12NGVD291Z  A
1989-03-01 D62611 403.41NAVD881Z  A
1989-03-01 D7201920.88  1Z  A
1989-04-06 D62610 408.45NGVD291Z  A
1989-04-06 D62611 407.74NAVD881Z  A
1989-04-06 D7201916.55  1Z  A
1989-05-03 D62610 408.98NGVD291Z  A
1989-05-03 D62611 408.27NAVD881Z  A
1989-05-03 D7201916.02  1Z  A
1989-05-30 D62610 411.98NGVD291Z  A
1989-05-30 D62611 411.27NAVD881Z  A
1989-05-30 D7201913.02  1Z  A
1989-06-30 D62610 410.97NGVD291Z  A
1989-06-30 D62611 410.26NAVD881Z  A
1989-06-30 D7201914.03  1Z  A
1989-08-01 D62610 411.82NGVD291Z  A
1989-08-01 D62611 411.11NAVD881Z  A
1989-08-01 D7201913.18  1Z  A
1989-08-30 D62610 408.10NGVD291Z  A
1989-08-30 D62611 407.39NAVD881Z  A
1989-08-30 D7201916.90  1Z  A
1989-09-29 D62610 407.14NGVD291Z  A
1989-09-29 D62611 406.43NAVD881Z  A
1989-09-29 D7201917.86  1Z  A
1989-10-30 D62610 407.83NGVD291Z  A
1989-10-30 D62611 407.12NAVD881Z  A
1989-10-30 D7201917.17  1Z  A
1989-11-30 D62610 407.98NGVD291Z  A
1989-11-30 D62611 407.27NAVD881Z  A
1989-11-30 D7201917.02  1Z  A
1989-12-28 D62610 406.49NGVD291Z  A
1989-12-28 D62611 405.78NAVD881Z  A
1989-12-28 D7201918.51  1Z  A
1990-01-30 D62610 412.40NGVD291Z  A
1990-01-30 D62611 411.69NAVD881Z  A
1990-01-30 D7201912.60  1Z  A
1990-03-01 D62610 411.67NGVD291Z  A
1990-03-01 D62611 410.96NAVD881Z  A
1990-03-01 D7201913.33  1Z  A
1990-03-28 D62610 411.88NGVD291Z  A
1990-03-28 D62611 411.17NAVD881Z  A
1990-03-28 D7201913.12  1Z  A
1990-04-27 D62610 403.38NGVD291Z  A
1990-04-27 D62611 402.67NAVD881Z  A
1990-04-27 D7201921.62  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 measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.