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Groundwater levels for the Nation

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Agency code = usgs
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  • 391438076555001
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USGS 391438076555001 HO Cd 342

Howard County, Maryland
Latitude  39°14'39", Longitude  76°55'49" NAD27
Land-surface elevation 434.27 feet above NGVD29
The depth of the well is 25 feet below land surface.
The depth of the hole is 27 feet below land surface.
This well is completed in the Loch Raven Schist (370LCRV) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1988-08-1818:05 UTCm62610 410.61NGVD291Z  A
1988-08-1818:05 UTCm62611 409.88NAVD881Z  A
1988-08-1818:05 UTCm7201923.66  1Z  A
1988-08-2314:40 UTCm62610 412.39NGVD291Z  A
1988-08-2314:40 UTCm62611 411.66NAVD881Z  A
1988-08-2314:40 UTCm7201921.88  1Z  A
1988-09-0917:00 UTCm62610 412.01NGVD291Z  A
1988-09-0917:00 UTCm62611 411.28NAVD881Z  A
1988-09-0917:00 UTCm7201922.26  1Z  A
1988-09-1419:20 UTCm62610 411.95NGVD291Z  A
1988-09-1419:20 UTCm62611 411.22NAVD881Z  A
1988-09-1419:20 UTCm7201922.32  1Z  A
1988-10-1915:30 UTCm62610 411.09NGVD291Z  A
1988-10-1915:30 UTCm62611 410.36NAVD881Z  A
1988-10-1915:30 UTCm7201923.18  1Z  A
1988-11-2314:18 UTCm62610 410.95NGVD291Z  A
1988-11-2314:18 UTCm62611 410.22NAVD881Z  A
1988-11-2314:18 UTCm7201923.32  1Z  A
1988-12-22 D62610 410.70NGVD291Z  A
1988-12-22 D62611 409.97NAVD881Z  A
1988-12-22 D7201923.57  1Z  A
1989-01-1915:25 UTCm62610 411.10NGVD291Z  A
1989-01-1915:25 UTCm62611 410.37NAVD881Z  A
1989-01-1915:25 UTCm7201923.17  1Z  A
1989-04-0517:05 UTCm62610 411.96NGVD291Z  A
1989-04-0517:05 UTCm62611 411.23NAVD881Z  A
1989-04-0517:05 UTCm7201922.31  1Z  A
1989-05-0314:10 UTCm62610 412.97NGVD291Z  A
1989-05-0314:10 UTCm62611 412.24NAVD881Z  A
1989-05-0314:10 UTCm7201921.30  1Z  A
1989-09-1415:40 UTCm62610 414.41NGVD291Z  A
1989-09-1415:40 UTCm62611 413.68NAVD881Z  A
1989-09-1415:40 UTCm7201919.86  1Z  A
1989-11-0215:10 UTCm62610 414.05NGVD291Z  A
1989-11-0215:10 UTCm62611 413.32NAVD881Z  A
1989-11-0215:10 UTCm7201920.22  1Z  A
1989-12-1413:45 UTCm62610 413.54NGVD291Z  A
1989-12-1413:45 UTCm62611 412.81NAVD881Z  A
1989-12-1413:45 UTCm7201920.73  1Z  A
1990-01-1114:45 UTCm62610 413.33NGVD291Z  A
1990-01-1114:45 UTCm62611 412.60NAVD881Z  A
1990-01-1114:45 UTCm7201920.94  1Z  A
1990-01-1814:20 UTCm62610 413.27NGVD291Z  A
1990-01-1814:20 UTCm62611 412.54NAVD881Z  A
1990-01-1814:20 UTCm7201921.00  1Z  A
1990-01-1916:15 UTCm62610 413.20NGVD291Z  A
1990-01-1916:15 UTCm62611 412.47NAVD881Z  A
1990-01-1916:15 UTCm7201921.07  1Z  A
1990-02-1314:45 UTCm62610 414.11NGVD291Z  A
1990-02-1314:45 UTCm62611 413.38NAVD881Z  A
1990-02-1314:45 UTCm7201920.16  1Z  A
1990-03-1919:50 UTCm62610 414.03NGVD291Z  A
1990-03-1919:50 UTCm62611 413.30NAVD881Z  A
1990-03-1919:50 UTCm7201920.24  1Z  A
1990-04-2414:45 UTCm62610 414.49NGVD291Z  A
1990-04-2414:45 UTCm62611 413.76NAVD881Z  A
1990-04-2414:45 UTCm7201919.78  1Z  A
1990-05-1615:00 UTCm62610 414.50NGVD291Z  A
1990-05-1615:00 UTCm62611 413.77NAVD881Z  A
1990-05-1615:00 UTCm7201919.77  1Z  A
1990-06-1914:25 UTCm62610 414.39NGVD291Z  A
1990-06-1914:25 UTCm62611 413.66NAVD881Z  A
1990-06-1914:25 UTCm7201919.88  1Z  A
1990-07-2414:25 UTCm62610 413.23NGVD291Z  A
1990-07-2414:25 UTCm62611 412.50NAVD881Z  A
1990-07-2414:25 UTCm7201921.04  1Z  A
1990-08-1614:40 UTCm62610 412.76NGVD291Z  A
1990-08-1614:40 UTCm62611 412.03NAVD881Z  A
1990-08-1614:40 UTCm7201921.51  1Z  A
1990-08-1713:01 UTCm62610 412.74NGVD291S  A
1990-08-1713:01 UTCm62611 412.01NAVD881S  A
1990-08-1713:01 UTCm7201921.53  1S  A
1990-09-2615:05 UTCm62610 411.62NGVD291S  A
1990-09-2615:05 UTCm62611 410.89NAVD881S  A
1990-09-2615:05 UTCm7201922.65  1S  A
1990-09-2715:50 UTCm62610 411.58NGVD291S  A
1990-09-2715:50 UTCm62611 410.85NAVD881S  A
1990-09-2715:50 UTCm7201922.69  1S  A
1990-11-1415:05 UTCm62610 411.43NGVD291Z  A
1990-11-1415:05 UTCm62611 410.70NAVD881Z  A
1990-11-1415:05 UTCm7201922.84  1Z  A
1991-01-1515:30 UTCm62610 413.29NGVD291Z  A
1991-01-1515:30 UTCm62611 412.56NAVD881Z  A
1991-01-1515:30 UTCm7201920.98  1Z  A
1991-01-1520:15 UTCm62610 413.29NGVD291Z  A
1991-01-1520:15 UTCm62611 412.56NAVD881Z  A
1991-01-1520:15 UTCm7201920.98  1Z  A
1991-02-2615:55 UTCm62610 413.48NGVD291Z  A
1991-02-2615:55 UTCm62611 412.75NAVD881Z  A
1991-02-2615:55 UTCm7201920.79  1Z  A
1991-02-2713:55 UTCm62610 413.43NGVD291Z  A
1991-02-2713:55 UTCm62611 412.70NAVD881Z  A
1991-02-2713:55 UTCm7201920.84  1Z  A
1991-04-0215:15 UTCm62610 414.09NGVD291Z  A
1991-04-0215:15 UTCm62611 413.36NAVD881Z  A
1991-04-0215:15 UTCm7201920.18  1Z  A
1991-04-0312:55 UTCm62610 414.09NGVD291Z  A
1991-04-0312:55 UTCm62611 413.36NAVD881Z  A
1991-04-0312:55 UTCm7201920.18  1Z  A
1991-06-0617:00 UTCm62610 413.57NGVD291Z  A
1991-06-0617:00 UTCm62611 412.84NAVD881Z  A
1991-06-0617:00 UTCm7201920.70  1Z  A
1991-06-0713:05 UTCm62610 413.53NGVD291Z  A
1991-06-0713:05 UTCm62611 412.80NAVD881Z  A
1991-06-0713:05 UTCm7201920.74  1Z  A
1991-07-1515:50 UTCm62610 411.97NGVD291Z  A
1991-07-1515:50 UTCm62611 411.24NAVD881Z  A
1991-07-1515:50 UTCm7201922.30  1Z  A
1991-07-1616:34 UTCm62610 412.30NGVD291Z  A
1991-07-1616:34 UTCm62611 411.57NAVD881Z  A
1991-07-1616:34 UTCm7201921.97  1Z  A
1991-09-0918:59 UTCm62610 410.83NGVD291Z  A
1991-09-0918:59 UTCm62611 410.10NAVD881Z  A
1991-09-0918:59 UTCm7201923.44  1Z  A
1991-09-1714:43 UTCm62610 410.64NGVD291Z  A
1991-09-1714:43 UTCm62611 409.91NAVD881Z  A
1991-09-1714:43 UTCm7201923.63  1Z  A
1991-12-18 D62610  NGVD29DZ  A
1991-12-18 D62611  NAVD88DZ  A
1991-12-18 D72019   DZ  A
1991-12-20 D62610  NGVD29DZ  A
1991-12-20 D62611  NAVD88DZ  A
1991-12-20 D72019   DZ  A
1992-01-29 D62610  NGVD29DZ  A
1992-01-29 D62611  NAVD88DZ  A
1992-01-29 D72019   DZ  A
1992-03-20 D62610  NGVD29DZ  A
1992-03-20 D62611  NAVD88DZ  A
1992-03-20 D72019   DZ  A
1992-05-0115:30 UTCm62610 411.82NGVD291Z  A
1992-05-0115:30 UTCm62611 411.09NAVD881Z  A
1992-05-0115:30 UTCm7201922.45  1Z  A
1992-06-2214:05 UTCm62610 411.93NGVD291Z  A
1992-06-2214:05 UTCm62611 411.20NAVD881Z  A
1992-06-2214:05 UTCm7201922.34  1Z  A
1992-06-2317:47 UTCm62610 411.90NGVD291Z  A
1992-06-2317:47 UTCm62611 411.17NAVD881Z  A
1992-06-2317:47 UTCm7201922.37  1Z  A
1992-09-0215:49 UTCm62610 410.63NGVD291Z  A
1992-09-0215:49 UTCm62611 409.90NAVD881Z  A
1992-09-0215:49 UTCm7201923.64  1Z  A
1992-09-0317:23 UTCm62610 410.59NGVD291Z  A
1992-09-0317:23 UTCm62611 409.86NAVD881Z  A
1992-09-0317:23 UTCm7201923.68  1Z  A
1992-10-05 D62610  NGVD29DZ  A
1992-10-05 D62611  NAVD88DZ  A
1992-10-05 D72019   DZ  A
1992-11-25 D62610  NGVD29DZ  A
1992-11-25 D62611  NAVD88DZ  A
1992-11-25 D72019   DZ  A
1993-01-27 D62610 413.00NGVD291Z  A
1993-01-27 D62611 412.27NAVD881Z  A
1993-01-27 D7201921.27  1Z  A
1993-02-22 D62610 413.35NGVD291Z  A
1993-02-22 D62611 412.62NAVD881Z  A
1993-02-22 D7201920.92  1Z  A
1993-02-24 D62610 413.34NGVD291Z  A
1993-02-24 D62611 412.61NAVD881Z  A
1993-02-24 D7201920.93  1Z  A
1993-05-04 D62610 418.89NGVD291Z  A
1993-05-04 D62611 418.16NAVD881Z  A
1993-05-04 D7201915.38  1Z  A
1994-04-07 D62610 415.76NGVD291Z  A
1994-04-07 D62611 415.03NAVD881Z  A
1994-04-07 D7201918.51  1Z  A
1995-11-21 D62610 411.56NGVD291Z  A
1995-11-21 D62611 410.83NAVD881Z  A
1995-11-21 D7201922.71  1Z  A

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
StatusDDry
Method of measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.