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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 391444076554701
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USGS 391444076554701 HO Cd 25

Howard County, Maryland
Latitude  39°14'45", Longitude  76°55'46" NAD27
Land-surface elevation 470.90 feet above NGVD29
The depth of the well is 97 feet below land surface.
The depth of the hole is 98 feet below land surface.
This well is completed in the Loch Raven Schist (370LCRV) local aquifer.
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Table of 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
1986-10-0918:00 UTCm62610 424.29NGVD291Z  A
1986-10-0918:00 UTCm62611 423.56NAVD881Z  A
1986-10-0918:00 UTCm7201946.61  1Z  A
1986-10-2815:45 UTCm62610 425.17NGVD291Z  A
1986-10-2815:45 UTCm62611 424.44NAVD881Z  A
1986-10-2815:45 UTCm7201945.73  1Z  A
1986-10-2918:00 UTCm62610 423.69NGVD291Z  A
1986-10-2918:00 UTCm62611 422.96NAVD881Z  A
1986-10-2918:00 UTCm7201947.21  1Z  A
1986-11-0416:05 UTCm62610 425.18NGVD291Z  A
1986-11-0416:05 UTCm62611 424.45NAVD881Z  A
1986-11-0416:05 UTCm7201945.72  1Z  A
1986-11-1018:05 UTCm62610 424.96NGVD291Z  A
1986-11-1018:05 UTCm62611 424.23NAVD881Z  A
1986-11-1018:05 UTCm7201945.94  1Z  A
1986-12-30 D62610 424.53NGVD291Z  A
1986-12-30 D62611 423.80NAVD881Z  A
1986-12-30 D7201946.37  1Z  A
1987-03-09 D62610 426.00NGVD291Z  A
1987-03-09 D62611 425.27NAVD881Z  A
1987-03-09 D7201944.90  1Z  A
1987-05-1315:55 UTCm62610 428.92NGVD291Z  A
1987-05-1315:55 UTCm62611 428.19NAVD881Z  A
1987-05-1315:55 UTCm7201941.98  1Z  A
1987-06-1117:50 UTCm62610 430.02NGVD291Z  A
1987-06-1117:50 UTCm62611 429.29NAVD881Z  A
1987-06-1117:50 UTCm7201940.88  1Z  A
1987-07-0819:45 UTCm62610 430.80NGVD291Z  A
1987-07-0819:45 UTCm62611 430.07NAVD881Z  A
1987-07-0819:45 UTCm7201940.10  1Z  A
1987-08-0616:00 UTCm62610 430.96NGVD291Z  A
1987-08-0616:00 UTCm62611 430.23NAVD881Z  A
1987-08-0616:00 UTCm7201939.94  1Z  A
1987-08-3118:15 UTCm62610 430.77NGVD291Z  A
1987-08-3118:15 UTCm62611 430.04NAVD881Z  A
1987-08-3118:15 UTCm7201940.13  1Z  A
1987-10-0819:00 UTCm62610 430.45NGVD291Z  A
1987-10-0819:00 UTCm62611 429.72NAVD881Z  A
1987-10-0819:00 UTCm7201940.45  1Z  A
1987-11-1919:25 UTCm62610 429.37NGVD291Z  A
1987-11-1919:25 UTCm62611 428.64NAVD881Z  A
1987-11-1919:25 UTCm7201941.53  1Z  A
1988-01-2119:20 UTCm62610 429.34NGVD291Z  A
1988-01-2119:20 UTCm62611 428.61NAVD881Z  A
1988-01-2119:20 UTCm7201941.56  1Z  A
1988-03-1719:00 UTCm62610 430.21NGVD291Z  A
1988-03-1719:00 UTCm62611 429.48NAVD881Z  A
1988-03-1719:00 UTCm7201940.69  1Z  A
1988-04-1415:45 UTCm62610 431.18NGVD291Z  A
1988-04-1415:45 UTCm62611 430.45NAVD881Z  A
1988-04-1415:45 UTCm7201939.72  1Z  A
1988-06-1014:40 UTCm62610 431.93NGVD291Z  A
1988-06-1014:40 UTCm62611 431.20NAVD881Z  A
1988-06-1014:40 UTCm7201938.97  1Z  A
1988-07-0616:00 UTCm62610 432.12NGVD291Z  A
1988-07-0616:00 UTCm62611 431.39NAVD881Z  A
1988-07-0616:00 UTCm7201938.78  1Z  A
1988-08-2320:40 UTCm62610 431.83NGVD291Z  A
1988-08-2320:40 UTCm62611 431.10NAVD881Z  A
1988-08-2320:40 UTCm7201939.07  1Z  A
1988-09-1413:40 UTCm62610 431.42NGVD291Z  A
1988-09-1413:40 UTCm62611 430.69NAVD881Z  A
1988-09-1413:40 UTCm7201939.48  1Z  A
1988-10-1915:45 UTCm62610 430.51NGVD291Z  A
1988-10-1915:45 UTCm62611 429.78NAVD881Z  A
1988-10-1915:45 UTCm7201940.39  1Z  A
1988-11-2315:25 UTCm62610 429.43NGVD291Z  A
1988-11-2315:25 UTCm62611 428.70NAVD881Z  A
1988-11-2315:25 UTCm7201941.47  1Z  A
1988-12-2217:20 UTCm62610 428.57NGVD291Z  A
1988-12-2217:20 UTCm62611 427.84NAVD881Z  A
1988-12-2217:20 UTCm7201942.33  1Z  A
1989-01-1916:00 UTCm62610 428.12NGVD291Z  A
1989-01-1916:00 UTCm62611 427.39NAVD881Z  A
1989-01-1916:00 UTCm7201942.78  1Z  A
1989-02-1617:30 UTCm62610 427.38NGVD291Z  A
1989-02-1617:30 UTCm62611 426.65NAVD881Z  A
1989-02-1617:30 UTCm7201943.52  1Z  A
1989-04-05 D62610 426.98NGVD291S  A
1989-04-05 D62611 426.25NAVD881S  A
1989-04-05 D7201943.92  1S  A
1989-05-04 D62610 426.95NGVD291S  A
1989-05-04 D62611 426.22NAVD881S  A
1989-05-04 D7201943.95  1S  A
1989-06-01 D62610 427.87NGVD291S  A
1989-06-01 D62611 427.14NAVD881S  A
1989-06-01 D7201943.03  1S  A
1989-06-30 D62610 429.62NGVD291S  A
1989-06-30 D62611 428.89NAVD881S  A
1989-06-30 D7201941.28  1S  A
1989-09-1416:50 UTCm62610 433.94NGVD291Z  A
1989-09-1416:50 UTCm62611 433.21NAVD881Z  A
1989-09-1416:50 UTCm7201936.96  1Z  A
1989-11-0614:50 UTCm62610 432.91NGVD291Z  A
1989-11-0614:50 UTCm62611 432.18NAVD881Z  A
1989-11-0614:50 UTCm7201937.99  1Z  A
1989-12-1415:15 UTCm62610 431.72NGVD291Z  A
1989-12-1415:15 UTCm62611 430.99NAVD881Z  A
1989-12-1415:15 UTCm7201939.18  1Z  A
1990-01-1113:55 UTCm62610 431.25NGVD291Z  A
1990-01-1113:55 UTCm62611 430.52NAVD881Z  A
1990-01-1113:55 UTCm7201939.65  1Z  A
1990-02-1414:10 UTCm62610 430.57NGVD291Z  A
1990-02-1414:10 UTCm62611 429.84NAVD881Z  A
1990-02-1414:10 UTCm7201940.33  1Z  A
1990-03-2016:45 UTCm62610 430.50NGVD291Z  A
1990-03-2016:45 UTCm62611 429.77NAVD881Z  A
1990-03-2016:45 UTCm7201940.40  1Z  A
1990-04-2417:00 UTCm62610 430.69NGVD291Z  A
1990-04-2417:00 UTCm62611 429.96NAVD881Z  A
1990-04-2417:00 UTCm7201940.21  1Z  A
1990-05-1614:20 UTCm62610 430.72NGVD291Z  A
1990-05-1614:20 UTCm62611 429.99NAVD881Z  A
1990-05-1614:20 UTCm7201940.18  1Z  A
1990-06-1916:45 UTCm62610 430.93NGVD291Z  A
1990-06-1916:45 UTCm62611 430.20NAVD881Z  A
1990-06-1916:45 UTCm7201939.97  1Z  A
1990-07-2512:05 UTCm62610 430.74NGVD291Z  A
1990-07-2512:05 UTCm62611 430.01NAVD881Z  A
1990-07-2512:05 UTCm7201940.16  1Z  A
1990-08-1614:07 UTCm62610 430.57NGVD291Z  A
1990-08-1614:07 UTCm62611 429.84NAVD881Z  A
1990-08-1614:07 UTCm7201940.33  1Z  A
1990-09-2715:35 UTCm62610 429.98NGVD291Z  A
1990-09-2715:35 UTCm62611 429.25NAVD881Z  A
1990-09-2715:35 UTCm7201940.92  1Z  A
1990-11-1420:20 UTCm62610 428.99NGVD291Z  A
1990-11-1420:20 UTCm62611 428.26NAVD881Z  A
1990-11-1420:20 UTCm7201941.91  1Z  A
1991-01-1521:20 UTCm62610 428.45NGVD291Z  A
1991-01-1521:20 UTCm62611 427.72NAVD881Z  A
1991-01-1521:20 UTCm7201942.45  1Z  A
1991-02-2713:05 UTCm62610 429.13NGVD291Z  A
1991-02-2713:05 UTCm62611 428.40NAVD881Z  A
1991-02-2713:05 UTCm7201941.77  1Z  A
1991-04-0315:20 UTCm62610 429.53NGVD291Z  A
1991-04-0315:20 UTCm62611 428.80NAVD881Z  A
1991-04-0315:20 UTCm7201941.37  1Z  A
1991-06-0717:15 UTCm62610 430.49NGVD291Z  A
1991-06-0717:15 UTCm62611 429.76NAVD881Z  A
1991-06-0717:15 UTCm7201940.41  1Z  A
1991-07-1619:05 UTCm62610 430.28NGVD291Z  A
1991-07-1619:05 UTCm62611 429.55NAVD881Z  A
1991-07-1619:05 UTCm7201940.62  1Z  A
1991-09-0921:20 UTCm62610 429.23NGVD291Z  A
1991-09-0921:20 UTCm62611 428.50NAVD881Z  A
1991-09-0921:20 UTCm7201941.67  1Z  A
1991-10-3015:40 UTCm62610 428.15NGVD291Z  A
1991-10-3015:40 UTCm62611 427.42NAVD881Z  A
1991-10-3015:40 UTCm7201942.75  1Z  A
1991-12-2014:55 UTCm62610 427.10NGVD291Z  A
1991-12-2014:55 UTCm62611 426.37NAVD881Z  A
1991-12-2014:55 UTCm7201943.80  1Z  A
1992-01-3014:35 UTCm62610 426.67NGVD291Z  A
1992-01-3014:35 UTCm62611 425.94NAVD881Z  A
1992-01-3014:35 UTCm7201944.23  1Z  A
1992-03-2019:15 UTCm62610 426.19NGVD291Z  A
1992-03-2019:15 UTCm62611 425.46NAVD881Z  A
1992-03-2019:15 UTCm7201944.71  1Z  A
1992-05-0113:00 UTCm62610 426.31NGVD291Z  A
1992-05-0113:00 UTCm62611 425.58NAVD881Z  A
1992-05-0113:00 UTCm7201944.59  1Z  A
1992-06-2315:11 UTCm62610 427.20NGVD291Z  A
1992-06-2315:11 UTCm62611 426.47NAVD881Z  A
1992-06-2315:11 UTCm7201943.70  1Z  A
1992-09-0318:42 UTCm62610 428.44NGVD291Z  A
1992-09-0318:42 UTCm62611 427.71NAVD881Z  A
1992-09-0318:42 UTCm7201942.46  1Z  A
1992-10-0513:20 UTCm62610 428.59NGVD291Z  A
1992-10-0513:20 UTCm62611 427.86NAVD881Z  A
1992-10-0513:20 UTCm7201942.31  1Z  A
1992-11-25 D62610 428.18NGVD291Z  A
1992-11-25 D62611 427.45NAVD881Z  A
1992-11-25 D7201942.72  1Z  A
1993-01-27 D62610 428.87NGVD291Z  A
1993-01-27 D62611 428.14NAVD881Z  A
1993-01-27 D7201942.03  1Z  A
1993-02-24 D62610 429.80NGVD291Z  A
1993-02-24 D62611 429.07NAVD881Z  A
1993-02-24 D7201941.10  1Z  A
1993-05-04 D62610 435.67NGVD291Z  A
1993-05-04 D62611 434.94NAVD881Z  A
1993-05-04 D7201935.23  1Z  A
1995-11-21 D62610 426.80NGVD291Z  A
1995-11-21 D62611 426.07NAVD881Z  A
1995-11-21 D7201944.10  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
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.