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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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  • 391447076554702
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USGS 391447076554702 HO Cd 28

Howard County, Maryland
Latitude  39°14'43", Longitude  76°55'48" NAD27
Land-surface elevation 453.11 feet above NGVD29
The depth of the well is 46 feet below land surface.
The depth of the hole is 50 feet below land surface.
This well is completed in the Loch Raven Schist (370LCRV) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1986-10-0816:35 UTCm62610 418.73NGVD291Z  A
1986-10-0816:35 UTCm62611 418.00NAVD881Z  A
1986-10-0816:35 UTCm7201934.38  1Z  A
1986-11-1217:35 UTCm62610 421.33NGVD291Z  A
1986-11-1217:35 UTCm62611 420.60NAVD881Z  A
1986-11-1217:35 UTCm7201931.78  1Z  A
1986-12-0316:50 UTCm62610 421.31NGVD291Z  A
1986-12-0316:50 UTCm62611 420.58NAVD881Z  A
1986-12-0316:50 UTCm7201931.80  1Z  A
1986-12-0416:00 UTCm62610 418.00NGVD291Z  A
1986-12-0416:00 UTCm62611 417.27NAVD881Z  A
1986-12-0416:00 UTCm7201935.11  1Z  A
1986-12-30 D62610 421.35NGVD291Z  A
1986-12-30 D62611 420.62NAVD881Z  A
1986-12-30 D7201931.76  1Z  A
1987-03-0518:45 UTCm62610 420.88NGVD291Z  A
1987-03-0518:45 UTCm62611 420.15NAVD881Z  A
1987-03-0518:45 UTCm7201932.23  1Z  A
1987-03-09 D62610 422.67NGVD291Z  A
1987-03-09 D62611 421.94NAVD881Z  A
1987-03-09 D7201930.44  1Z  A
1987-04-0913:20 UTCm62610 424.92NGVD291Z  A
1987-04-0913:20 UTCm62611 424.19NAVD881Z  A
1987-04-0913:20 UTCm7201928.19  1Z  A
1987-05-1213:20 UTCm62610 426.12NGVD291Z  A
1987-05-1213:20 UTCm62611 425.39NAVD881Z  A
1987-05-1213:20 UTCm7201926.99  1Z  A
1987-05-1314:10 UTCm62610 426.01NGVD291Z  A
1987-05-1314:10 UTCm62611 425.28NAVD881Z  A
1987-05-1314:10 UTCm7201927.10  1Z  A
1987-06-1113:20 UTCm62610 426.55NGVD291Z  A
1987-06-1113:20 UTCm62611 425.82NAVD881Z  A
1987-06-1113:20 UTCm7201926.56  1Z  A
1987-07-0813:15 UTCm62610 426.62NGVD291Z  A
1987-07-0813:15 UTCm62611 425.89NAVD881Z  A
1987-07-0813:15 UTCm7201926.49  1Z  A
1987-08-0514:07 UTCm62610 426.51NGVD291Z  A
1987-08-0514:07 UTCm62611 425.78NAVD881Z  A
1987-08-0514:07 UTCm7201926.60  1Z  A
1987-08-3115:40 UTCm62610 426.07NGVD291Z  A
1987-08-3115:40 UTCm62611 425.34NAVD881Z  A
1987-08-3115:40 UTCm7201927.04  1Z  A
1987-10-0814:46 UTCm62610 425.30NGVD291Z  A
1987-10-0814:46 UTCm62611 424.57NAVD881Z  A
1987-10-0814:46 UTCm7201927.81  1Z  A
1987-10-0920:54 UTCm62610 425.22NGVD291Z  A
1987-10-0920:54 UTCm62611 424.49NAVD881Z  A
1987-10-0920:54 UTCm7201927.89  1Z  A
1987-11-1915:20 UTCm62610 424.62NGVD291Z  A
1987-11-1915:20 UTCm62611 423.89NAVD881Z  A
1987-11-1915:20 UTCm7201928.49  1Z  A
1987-11-2018:00 UTCm62610 424.81NGVD291Z  A
1987-11-2018:00 UTCm62611 424.08NAVD881Z  A
1987-11-2018:00 UTCm7201928.30  1Z  A
1988-01-2119:40 UTCm62610 425.33NGVD291Z  A
1988-01-2119:40 UTCm62611 424.60NAVD881Z  A
1988-01-2119:40 UTCm7201927.78  1Z  A
1988-03-1714:05 UTCm62610 428.58NGVD291Z  A
1988-03-1714:05 UTCm62611 427.85NAVD881Z  A
1988-03-1714:05 UTCm7201924.53  1Z  A
1988-04-1316:30 UTCm62610 426.96NGVD291Z  A
1988-04-1316:30 UTCm62611 426.23NAVD881Z  A
1988-04-1316:30 UTCm7201926.15  1Z  A
1988-04-1414:35 UTCm62610 426.95NGVD291Z  A
1988-04-1414:35 UTCm62611 426.22NAVD881Z  A
1988-04-1414:35 UTCm7201926.16  1Z  A
1988-06-0914:30 UTCm62610 427.56NGVD291Z  A
1988-06-0914:30 UTCm62611 426.83NAVD881Z  A
1988-06-0914:30 UTCm7201925.55  1Z  A
1988-07-0613:00 UTCm62610 427.58NGVD291Z  A
1988-07-0613:00 UTCm62611 426.85NAVD881Z  A
1988-07-0613:00 UTCm7201925.53  1Z  A
1988-08-2315:05 UTCm62610 426.69NGVD291Z  A
1988-08-2315:05 UTCm62611 425.96NAVD881Z  A
1988-08-2315:05 UTCm7201926.42  1Z  A
1988-09-0920:50 UTCm62610 426.46NGVD291Z  A
1988-09-0920:50 UTCm62611 425.73NAVD881Z  A
1988-09-0920:50 UTCm7201926.65  1Z  A
1988-09-1413:25 UTCm62610 426.28NGVD291Z  A
1988-09-1413:25 UTCm62611 425.55NAVD881Z  A
1988-09-1413:25 UTCm7201926.83  1Z  A
1988-10-1914:45 UTCm62610 425.37NGVD291Z  A
1988-10-1914:45 UTCm62611 424.64NAVD881Z  A
1988-10-1914:45 UTCm7201927.74  1Z  A
1988-11-2313:25 UTCm62610 424.49NGVD291Z  A
1988-11-2313:25 UTCm62611 423.76NAVD881Z  A
1988-11-2313:25 UTCm7201928.62  1Z  A
1988-12-2215:45 UTCm62610 423.79NGVD291Z  A
1988-12-2215:45 UTCm62611 423.06NAVD881Z  A
1988-12-2215:45 UTCm7201929.32  1Z  A
1989-01-1913:10 UTCm62610 423.38NGVD291Z  A
1989-01-1913:10 UTCm62611 422.65NAVD881Z  A
1989-01-1913:10 UTCm7201929.73  1Z  A
1989-04-0514:05 UTCm62610 423.47NGVD291Z  A
1989-04-0514:05 UTCm62611 422.74NAVD881Z  A
1989-04-0514:05 UTCm7201929.64  1Z  A
1989-05-0312:45 UTCm62610 424.16NGVD291Z  A
1989-05-0312:45 UTCm62611 423.43NAVD881Z  A
1989-05-0312:45 UTCm7201928.95  1Z  A
1989-09-1414:50 UTCm62610 429.12NGVD291Z  A
1989-09-1414:50 UTCm62611 428.39NAVD881Z  A
1989-09-1414:50 UTCm7201923.99  1Z  A
1989-11-0213:45 UTCm62610 427.95NGVD291Z  A
1989-11-0213:45 UTCm62611 427.22NAVD881Z  A
1989-11-0213:45 UTCm7201925.16  1Z  A
1989-12-1413:00 UTCm62610 427.12NGVD291Z  A
1989-12-1413:00 UTCm62611 426.39NAVD881Z  A
1989-12-1413:00 UTCm7201925.99  1Z  A
1990-01-1114:15 UTCm62610 426.69NGVD291Z  A
1990-01-1114:15 UTCm62611 425.96NAVD881Z  A
1990-01-1114:15 UTCm7201926.42  1Z  A
1990-01-1915:50 UTCm62610 426.42NGVD291Z  A
1990-01-1915:50 UTCm62611 425.69NAVD881Z  A
1990-01-1915:50 UTCm7201926.69  1Z  A
1990-02-1313:15 UTCm62610 426.46NGVD291Z  A
1990-02-1313:15 UTCm62611 425.73NAVD881Z  A
1990-02-1313:15 UTCm7201926.65  1Z  A
1990-03-1917:00 UTCm62610 426.74NGVD291Z  A
1990-03-1917:00 UTCm62611 426.01NAVD881Z  A
1990-03-1917:00 UTCm7201926.37  1Z  A
1990-04-2413:15 UTCm62610 426.84NGVD291Z  A
1990-04-2413:15 UTCm62611 426.11NAVD881Z  A
1990-04-2413:15 UTCm7201926.27  1Z  A
1990-05-1613:00 UTCm62610 426.88NGVD291Z  A
1990-05-1613:00 UTCm62611 426.15NAVD881Z  A
1990-05-1613:00 UTCm7201926.23  1Z  A
1990-06-1912:30 UTCm62610 427.08NGVD291Z  A
1990-06-1912:30 UTCm62611 426.35NAVD881Z  A
1990-06-1912:30 UTCm7201926.03  1Z  A
1990-07-2412:20 UTCm62610 426.68NGVD291Z  A
1990-07-2412:20 UTCm62611 425.95NAVD881Z  A
1990-07-2412:20 UTCm7201926.43  1Z  A
1990-08-1612:30 UTCm62610 426.29NGVD291Z  A
1990-08-1612:30 UTCm62611 425.56NAVD881Z  A
1990-08-1612:30 UTCm7201926.82  1Z  A
1990-08-1712:29 UTCm62610 426.24NGVD291S  A
1990-08-1712:29 UTCm62611 425.51NAVD881S  A
1990-08-1712:29 UTCm7201926.87  1S  A
1990-09-2715:00 UTCm62610 425.58NGVD291S  A
1990-09-2715:00 UTCm62611 424.85NAVD881S  A
1990-09-2715:00 UTCm7201927.53  1S  A
1990-09-2715:10 UTCm62610 425.58NGVD291S  A
1990-09-2715:10 UTCm62611 424.85NAVD881S  A
1990-09-2715:10 UTCm7201927.53  1S  A
1990-11-1414:05 UTCm62610 424.73NGVD291Z  A
1990-11-1414:05 UTCm62611 424.00NAVD881Z  A
1990-11-1414:05 UTCm7201928.38  1Z  A
1990-11-1414:20 UTCm62610 424.73NGVD291Z  A
1990-11-1414:20 UTCm62611 424.00NAVD881Z  A
1990-11-1414:20 UTCm7201928.38  1Z  A
1991-01-1513:50 UTCm62610 424.67NGVD291Z  A
1991-01-1513:50 UTCm62611 423.94NAVD881Z  A
1991-01-1513:50 UTCm7201928.44  1Z  A
1991-01-1520:35 UTCm62610 424.69NGVD291S  A
1991-01-1520:35 UTCm62611 423.96NAVD881S  A
1991-01-1520:35 UTCm7201928.42  1S  A
1991-02-2615:35 UTCm62610 425.88NGVD291Z  A
1991-02-2615:35 UTCm62611 425.15NAVD881Z  A
1991-02-2615:35 UTCm7201927.23  1Z  A
1991-02-2615:45 UTCm62610 425.88NGVD291Z  A
1991-02-2615:45 UTCm62611 425.15NAVD881Z  A
1991-02-2615:45 UTCm7201927.23  1Z  A
1991-04-0214:45 UTCm62610 426.18NGVD291Z  A
1991-04-0214:45 UTCm62611 425.45NAVD881Z  A
1991-04-0214:45 UTCm7201926.93  1Z  A
1991-04-0312:15 UTCm62610 426.13NGVD291Z  A
1991-04-0312:15 UTCm62611 425.40NAVD881Z  A
1991-04-0312:15 UTCm7201926.98  1Z  A
1991-06-0615:04 UTCm62610 426.61NGVD291Z  A
1991-06-0615:04 UTCm62611 425.88NAVD881Z  A
1991-06-0615:04 UTCm7201926.50  1Z  A
1991-06-0713:51 UTCm62610 426.62NGVD291Z  A
1991-06-0713:51 UTCm62611 425.89NAVD881Z  A
1991-06-0713:51 UTCm7201926.49  1Z  A
1991-07-1515:01 UTCm62610 425.96NGVD291Z  A
1991-07-1515:01 UTCm62611 425.23NAVD881Z  A
1991-07-1515:01 UTCm7201927.15  1Z  A
1991-07-1615:35 UTCm62610 425.93NGVD291Z  A
1991-07-1615:35 UTCm62611 425.20NAVD881Z  A
1991-07-1615:35 UTCm7201927.18  1Z  A
1991-09-0913:35 UTCm62610 424.63NGVD291Z  A
1991-09-0913:35 UTCm62611 423.90NAVD881Z  A
1991-09-0913:35 UTCm7201928.48  1Z  A
1991-09-1713:10 UTCm62610 424.61NGVD291Z  A
1991-09-1713:10 UTCm62611 423.88NAVD881Z  A
1991-09-1713:10 UTCm7201928.50  1Z  A
1991-10-2913:54 UTCm62610 423.67NGVD291Z  A
1991-10-2913:54 UTCm62611 422.94NAVD881Z  A
1991-10-2913:54 UTCm7201929.44  1Z  A
1991-10-3016:25 UTCm62610 423.71NGVD291Z  A
1991-10-3016:25 UTCm62611 422.98NAVD881Z  A
1991-10-3016:25 UTCm7201929.40  1Z  A
1991-12-1813:56 UTCm62610 422.95NGVD291Z  A
1991-12-1813:56 UTCm62611 422.22NAVD881Z  A
1991-12-1813:56 UTCm7201930.16  1Z  A
1991-12-2014:21 UTCm62610 422.87NGVD291Z  A
1991-12-2014:21 UTCm62611 422.14NAVD881Z  A
1991-12-2014:21 UTCm7201930.24  1Z  A
1992-01-2914:34 UTCm62610 422.61NGVD291Z  A
1992-01-2914:34 UTCm62611 421.88NAVD881Z  A
1992-01-2914:34 UTCm7201930.50  1Z  A
1992-01-3015:22 UTCm62610 422.64NGVD291Z  A
1992-01-3015:22 UTCm62611 421.91NAVD881Z  A
1992-01-3015:22 UTCm7201930.47  1Z  A
1992-03-2019:58 UTCm62610 422.56NGVD291Z  A
1992-03-2019:58 UTCm62611 421.83NAVD881Z  A
1992-03-2019:58 UTCm7201930.55  1Z  A
1992-03-2020:08 UTCm62610 422.55NGVD291Z  A
1992-03-2020:08 UTCm62611 421.82NAVD881Z  A
1992-03-2020:08 UTCm7201930.56  1Z  A
1992-05-0113:49 UTCm62610 423.17NGVD291Z  A
1992-05-0113:49 UTCm62611 422.44NAVD881Z  A
1992-05-0113:49 UTCm7201929.94  1Z  A
1992-05-0114:09 UTCm62610 423.17NGVD291Z  A
1992-05-0114:09 UTCm62611 422.44NAVD881Z  A
1992-05-0114:09 UTCm7201929.94  1Z  A
1992-06-2213:52 UTCm62610 423.75NGVD291Z  A
1992-06-2213:52 UTCm62611 423.02NAVD881Z  A
1992-06-2213:52 UTCm7201929.36  1Z  A
1992-06-2316:44 UTCm62610 423.77NGVD291Z  A
1992-06-2316:44 UTCm62611 423.04NAVD881Z  A
1992-06-2316:44 UTCm7201929.34  1Z  A
1992-09-0214:18 UTCm62610 424.09NGVD291Z  A
1992-09-0214:18 UTCm62611 423.36NAVD881Z  A
1992-09-0214:18 UTCm7201929.02  1Z  A
1992-09-0317:56 UTCm62610 424.11NGVD291Z  A
1992-09-0317:56 UTCm62611 423.38NAVD881Z  A
1992-09-0317:56 UTCm7201929.00  1Z  A
1992-10-0514:31 UTCm62610 423.86NGVD291Z  A
1992-10-0514:31 UTCm62611 423.13NAVD881Z  A
1992-10-0514:31 UTCm7201929.25  1Z  A
1992-11-25 D62610 423.47NGVD291Z  A
1992-11-25 D62611 422.74NAVD881Z  A
1992-11-25 D7201929.64  1Z  A
1993-01-27 D62610 425.43NGVD291Z  A
1993-01-27 D62611 424.70NAVD881Z  A
1993-01-27 D7201927.68  1Z  A
1993-02-22 D62610 426.33NGVD291Z  A
1993-02-22 D62611 425.60NAVD881Z  A
1993-02-22 D7201926.78  1Z  A
1993-02-24 D62610 426.13NGVD291Z  A
1993-02-24 D62611 425.40NAVD881Z  A
1993-02-24 D7201926.98  1Z  A
1993-05-04 D62610 431.79NGVD291Z  A
1993-05-04 D62611 431.06NAVD881Z  A
1993-05-04 D7201921.32  1Z  A
1994-04-07 D62610 427.31NGVD291Z  A
1994-04-07 D62611 426.58NAVD881Z  A
1994-04-07 D7201925.80  1Z  A
1995-04-05 D62610 424.43NGVD291Z  A
1995-04-05 D62611 423.70NAVD881Z  A
1995-04-05 D7201928.68  1Z  A
1995-11-21 D62610 423.28NGVD291Z  A
1995-11-21 D62611 422.55NAVD881Z  A
1995-11-21 D7201929.83  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.