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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 381810076244601
Minimum number of levels = 1
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USGS 381810076244601 SM Dg 21

St. Mary'S County, Maryland
Latitude  38°18'10.5", Longitude  76°24'43.6" NAD83
Land-surface elevation 3 feet above NGVD29
The depth of the well is 315 feet below land surface.
The depth of the hole is 315 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Piney Point Formation (124PNPN) 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
1998-02-26 D62610 -18.79NGVD291Z  A
1998-02-26 D62611 -19.61NAVD881Z  A
1998-02-26 D7201921.79  1Z  A
1998-04-29 D62610 -18.69NGVD291Z  A
1998-04-29 D62611 -19.51NAVD881Z  A
1998-04-29 D7201921.69  1Z  A
1998-09-02 D62610 -19.63NGVD291Z  A
1998-09-02 D62611 -20.45NAVD881Z  A
1998-09-02 D7201922.63  1Z  A
1999-02-10 D62610 -19.91NGVD291Z  A
1999-02-10 D62611 -20.73NAVD881Z  A
1999-02-10 D7201922.91  1Z  A
1999-06-15 D62610 -21.27NGVD291Z  A
1999-06-15 D62611 -22.09NAVD881Z  A
1999-06-15 D7201924.27  1Z  A
1999-09-01 D62610 -21.54NGVD291Z  A
1999-09-01 D62611 -22.36NAVD881Z  A
1999-09-01 D7201924.54  1Z  A
2000-01-12 D62610 -20.47NGVD291Z  A
2000-01-12 D62611 -21.29NAVD881Z  A
2000-01-12 D7201923.47  1Z  A
2000-02-24 D62610 -20.01NGVD291Z  A
2000-02-24 D62611 -20.83NAVD881Z  A
2000-02-24 D7201923.01  1Z  A
2000-03-06 D62610 -19.77NGVD291Z  A
2000-03-06 D62611 -20.59NAVD881Z  A
2000-03-06 D7201922.77  1Z  A
2000-03-23 D62610 -19.09NGVD291Z  A
2000-03-23 D62611 -19.91NAVD881Z  A
2000-03-23 D7201922.09  1Z  A
2000-04-20 D62610 -18.56NGVD291Z  A
2000-04-20 D62611 -19.38NAVD881Z  A
2000-04-20 D7201921.56  1Z  A
2000-05-31 D62610 -18.77NGVD291Z  A
2000-05-31 D62611 -19.59NAVD881Z  A
2000-05-31 D7201921.77  1Z  A
2000-07-11 D62610 -19.70NGVD291Z  A
2000-07-11 D62611 -20.52NAVD881Z  A
2000-07-11 D7201922.70  1Z  A
2000-08-07 D62610 -20.99NGVD291Z  A
2000-08-07 D62611 -21.81NAVD881Z  A
2000-08-07 D7201923.99  1Z  A
2000-08-11 D62610 -19.11NGVD291Z  A
2000-08-11 D62611 -19.93NAVD881Z  A
2000-08-11 D7201922.11  1Z  A
2000-09-15 D62610 -20.38NGVD291Z  A
2000-09-15 D62611 -21.20NAVD881Z  A
2000-09-15 D7201923.38  1Z  A
2000-10-19 D62610 -18.85NGVD29PZ  A
2000-10-19 D62611 -19.67NAVD88PZ  A
2000-10-19 D7201921.85  PZ  A
2001-01-03 D62610 -18.97NGVD291Z  A
2001-01-03 D62611 -19.79NAVD881Z  A
2001-01-03 D7201921.97  1Z  A
2001-03-14 D62610 -18.62NGVD291Z  A
2001-03-14 D62611 -19.44NAVD881Z  A
2001-03-14 D7201921.62  1Z  A
2001-04-26 D62610 -18.44NGVD291Z  A
2001-04-26 D62611 -19.26NAVD881Z  A
2001-04-26 D7201921.44  1Z  A
2001-06-05 D62610 -18.48NGVD291Z  A
2001-06-05 D62611 -19.30NAVD881Z  A
2001-06-05 D7201921.48  1Z  A
2001-07-12 D62610 -19.28NGVD291Z  A
2001-07-12 D62611 -20.10NAVD881Z  A
2001-07-12 D7201922.28  1Z  A
2001-08-16 D62610 -19.37NGVD291Z  A
2001-08-16 D62611 -20.19NAVD881Z  A
2001-08-16 D7201922.37  1Z  A
2001-10-16 D62610 -19.49NGVD291Z  A
2001-10-16 D62611 -20.31NAVD881Z  A
2001-10-16 D7201922.49  1Z  A
2002-01-09 D62610 -19.55NGVD291Z  A
2002-01-09 D62611 -20.37NAVD881Z  A
2002-01-09 D7201922.55  1Z  A
2002-03-25 D62610 -19.41NGVD291Z  A
2002-03-25 D62611 -20.23NAVD881Z  A
2002-03-25 D7201922.41  1Z  A
2002-05-01 D62610 -19.25NGVD291Z  A
2002-05-01 D62611 -20.07NAVD881Z  A
2002-05-01 D7201922.25  1Z  A
2002-08-14 D62610 -21.74NGVD291Z  A
2002-08-14 D62611 -22.56NAVD881Z  A
2002-08-14 D7201924.74  1Z  A
2002-10-31 D62610 -21.35NGVD291SUSGSSA
2002-10-31 D62611 -22.17NAVD881SUSGSSA
2002-10-31 D7201924.35  1SUSGSSA
2002-11-06 D62610 -20.61NGVD291SUSGSSA
2002-11-06 D62611 -21.43NAVD881SUSGSSA
2002-11-06 D7201923.61  1SUSGSSA
2002-12-10 D62610 -21.25NGVD291SUSGSSA
2002-12-10 D62611 -22.07NAVD881SUSGSSA
2002-12-10 D7201924.25  1SUSGSSA
2002-12-19 D62610 -20.97NGVD291SUSGSSA
2002-12-19 D62611 -21.79NAVD881SUSGSSA
2002-12-19 D7201923.97  1SUSGSSA
2003-01-15 D62610 -21.05NGVD291SUSGSSA
2003-01-15 D62611 -21.87NAVD881SUSGSSA
2003-01-15 D7201924.05  1SUSGSSA
2003-02-21 D62610 -21.06NGVD291SUSGSSA
2003-02-21 D62611 -21.88NAVD881SUSGSSA
2003-02-21 D7201924.06  1SUSGSSA
2003-03-31 D62610 -20.88NGVD291SUSGSSA
2003-03-31 D62611 -21.70NAVD881SUSGSSA
2003-03-31 D7201923.88  1SUSGSSA
2003-04-21 D62610 -20.45NGVD291SUSGSSA
2003-04-21 D62611 -21.27NAVD881SUSGSSA
2003-04-21 D7201923.45  1SUSGSSA
2003-05-2818:15 UTCm62610 -20.01NGVD291SUSGSSA
2003-05-2818:15 UTCm62611 -20.83NAVD881SUSGSSA
2003-05-2818:15 UTCm7201923.01  1SUSGSSA
2003-06-2417:10 UTCm62610 -20.76NGVD291SUSGSSA
2003-06-2417:10 UTCm62611 -21.58NAVD881SUSGSSA
2003-06-2417:10 UTCm7201923.76  1SUSGSSA
2003-07-2319:15 UTCm62610 -20.88NGVD291SUSGSSA
2003-07-2319:15 UTCm62611 -21.70NAVD881SUSGSSA
2003-07-2319:15 UTCm7201923.88  1SUSGSSA
2003-08-2720:40 UTCm62610 -20.62NGVD291SUSGSSA
2003-08-2720:40 UTCm62611 -21.44NAVD881SUSGSSA
2003-08-2720:40 UTCm7201923.62  1SUSGSSA
2003-10-0218:45 UTCm62610 -20.97NGVD291SUSGSSA
2003-10-0218:45 UTCm62611 -21.79NAVD881SUSGSSA
2003-10-0218:45 UTCm7201923.97  1SUSGSSA
2003-11-1220:45 UTCm62610 -20.16NGVD291SUSGSSA
2003-11-1220:45 UTCm62611 -20.98NAVD881SUSGSSA
2003-11-1220:45 UTCm7201923.16  1SUSGSSA
2003-12-2921:00 UTCm62610 -20.24NGVD291SUSGSSA
2003-12-2921:00 UTCm62611 -21.06NAVD881SUSGSSA
2003-12-2921:00 UTCm7201923.24  1SUSGSSA
2004-02-24 D62610 -20.15NGVD291SUSGSSA
2004-02-24 D62611 -20.97NAVD881SUSGSSA
2004-02-24 D7201923.15  1SUSGSSA
2004-03-31 D62610 -19.79NGVD291SUSGSSA
2004-03-31 D62611 -20.61NAVD881SUSGSSA
2004-03-31 D7201922.79  1SUSGSSA
2004-09-13 D62610 -20.14NGVD291SUSGSSA
2004-09-13 D62611 -20.96NAVD881SUSGSSA
2004-09-13 D7201923.14  1SUSGSSA
2005-09-14 D62610 -21.21NGVD291TUSGSSA
2005-09-14 D62611 -22.03NAVD881TUSGSSA
2005-09-14 D7201924.21  1TUSGSSA
2006-02-16 D62610 -21.18NGVD291TUSGSSA
2006-02-16 D62611 -22.00NAVD881TUSGSSA
2006-02-16 D7201924.18  1TUSGSSA
2006-04-28 D62610 -20.77NGVD291TUSGSSA
2006-04-28 D62611 -21.59NAVD881TUSGSSA
2006-04-28 D7201923.77  1TUSGSSA
2006-07-07 D62610 -21.20NGVD291TUSGSSA
2006-07-07 D62611 -22.02NAVD881TUSGSSA
2006-07-07 D7201924.20  1TUSGSSA
2006-09-27 D62610 -21.51NGVD291TUSGSSA
2006-09-27 D62611 -22.33NAVD881TUSGSSA
2006-09-27 D7201924.51  1TUSGSSA
2006-12-12 D62610 -21.25NGVD291TUSGSSA
2006-12-12 D62611 -22.07NAVD881TUSGSSA
2006-12-12 D7201924.25  1TUSGSSA
2007-04-18 D62610 -20.15NGVD291TUSGSSA
2007-04-18 D62611 -20.97NAVD881TUSGSSA
2007-04-18 D7201923.15  1TUSGSSA
2007-07-03 D62610 -21.12NGVD291TUSGSSA
2007-07-03 D62611 -21.94NAVD881TUSGSSA
2007-07-03 D7201924.12  1TUSGSSA
2007-09-19 D62610 -21.75NGVD291TUSGSSA
2007-09-19 D62611 -22.57NAVD881TUSGSSA
2007-09-19 D7201924.75  1TUSGSSA
2007-12-18 D62610 -22.23NGVD29PSUSGSSA
2007-12-18 D62611 -23.05NAVD88PSUSGSSA
2007-12-18 D7201925.23  PSUSGSSA
2008-04-09 D62610 -20.10NGVD291TUSGSSA
2008-04-09 D62611 -20.92NAVD881TUSGSSA
2008-04-09 D7201923.10  1TUSGSSA
2008-07-09 D62610 -20.93NGVD291TUSGSSA
2008-07-09 D62611 -21.75NAVD881TUSGSSA
2008-07-09 D7201923.93  1TUSGSSA
2008-09-18 D62610 -21.10NGVD291TUSGSSA
2008-09-18 D62611 -21.92NAVD881TUSGSSA
2008-09-18 D7201924.10  1TUSGSSA
2009-01-22 D62610 -20.25NGVD291TUSGSSA
2009-01-22 D62611 -21.07NAVD881TUSGSSA
2009-01-22 D7201923.25  1TUSGSSA
2009-04-28 D62610 -20.20NGVD291TUSGSSA
2009-04-28 D62611 -21.02NAVD881TUSGSSA
2009-04-28 D7201923.20  1TUSGSSA
2009-07-07 D62610 -19.60NGVD291TUSGSSA
2009-07-07 D62611 -20.42NAVD881TUSGSSA
2009-07-07 D7201922.60  1TUSGSSA
2009-09-23 D62610 -20.35NGVD291TUSGSSA
2009-09-23 D62611 -21.17NAVD881TUSGSSA
2009-09-23 D7201923.35  1TUSGSSA
2009-12-16 D62610 -19.55NGVD291TUSGSSA
2009-12-16 D62611 -20.37NAVD881TUSGSSA
2009-12-16 D7201922.55  1TUSGSSA
2010-04-22 D62610 -18.95NGVD291TUSGSSA
2010-04-22 D62611 -19.77NAVD881TUSGSSA
2010-04-22 D7201921.95  1TUSGSSA
2010-07-08 D62610 -20.20NGVD291TUSGSSA
2010-07-08 D62611 -21.02NAVD881TUSGSSA
2010-07-08 D7201923.20  1TUSGSSA
2010-09-1416:38 UTCm62610 -20.40NGVD291TUSGSSA
2010-09-1416:38 UTCm62611 -21.22NAVD881TUSGSSA
2010-09-1416:38 UTCm7201923.40  1TUSGSSA
2011-01-1416:36 UTCm62610 -20.21NGVD291TUSGSSA
2011-01-1416:36 UTCm62611 -21.03NAVD881TUSGSSA
2011-01-1416:36 UTCm7201923.21  1TUSGSSA
2011-04-2714:02 UTCm62610 -18.95NGVD291TUSGSSA
2011-04-2714:02 UTCm62611 -19.77NAVD881TUSGSSA
2011-04-2714:02 UTCm7201921.95  1TUSGSSA
2011-07-1916:23 UTCm62610 -17.20NGVD291TUSGSSA
2011-07-1916:23 UTCm62611 -18.02NAVD881TUSGSSA
2011-07-1916:23 UTCm7201920.20  1TUSGSSA
2012-01-0613:35 UTCm62610 -19.53NGVD291TUSGSSA
2012-01-0613:35 UTCm62611 -20.35NAVD881TUSGSSA
2012-01-0613:35 UTCm7201922.53  1TUSGSSA
2012-04-2513:46 UTCm62610 -19.50NGVD291TUSGSSA
2012-04-2513:46 UTCm62611 -20.32NAVD881TUSGSSA
2012-04-2513:46 UTCm7201922.50  1TUSGSSA
2012-09-12 D62610 -20.30NGVD291TUSGSSA
2012-09-12 D62611 -21.12NAVD881TUSGSSA
2012-09-12 D7201923.30  1TUSGSSA
2013-04-1716:12 UTCm62610 -18.65NGVD291TUSGSSA
2013-04-1716:12 UTCm62611 -19.47NAVD881TUSGSSA
2013-04-1716:12 UTCm7201921.65  1TUSGSSA
2013-07-1613:30 UTCm62610 -18.67NGVD291TUSGSSA
2013-07-1613:30 UTCm62611 -19.49NAVD881TUSGSSA
2013-07-1613:30 UTCm7201921.67  1TUSGSSA
2013-09-0617:14 UTCm62610 -18.82NGVD291TUSGSSA
2013-09-0617:14 UTCm62611 -19.64NAVD881TUSGSSA
2013-09-0617:14 UTCm7201921.82  1TUSGSSA
2014-09-0318:13 UTCm62610 -18.58NGVD291TUSGSSA
2014-09-0318:13 UTCm62611 -19.40NAVD881TUSGSSA
2014-09-0318:13 UTCm7201921.58  1TUSGSSA
2015-09-1015:33 UTCm62610 -17.77NGVD291TUSGSSA
2015-09-1015:33 UTCm62611 -18.59NAVD881TUSGSSA
2015-09-1015:33 UTCm7201920.77  1TUSGSSA
2016-09-2217:00 UTCm62610 -17.94NGVD291TUSGSSA
2016-09-2217:00 UTCm62611 -18.76NAVD881TUSGSSA
2016-09-2217:00 UTCm7201920.94  1TUSGSSA
2017-09-2120:47 UTCm62610 -16.80NGVD291TUSGSSA
2017-09-2120:47 UTCm62611 -17.62NAVD881TUSGSSA
2017-09-2120:47 UTCm7201919.80  1TUSGSSA
2018-10-0418:13 UTCm62610 -15.96NGVD291VUSGSSA
2018-10-0418:13 UTCm62611 -16.78NAVD881VUSGSSA
2018-10-0418:13 UTCm7201918.96  1VUSGSSA
2019-09-1720:44 UTCm62610 -16.38NGVD291VUSGSSA
2019-09-1720:44 UTCm62611 -17.20NAVD881VUSGSSA
2019-09-1720:44 UTCm7201919.38  1VUSGSSA
2020-09-1422:05 UTCm62610 -16.55NGVD291VUSGSSA
2020-09-1422:05 UTCm62611 -17.37NAVD881VUSGSSA
2020-09-1422:05 UTCm7201919.55  1VUSGSSA
2021-09-0915:39 UTCm62610 -16.07NGVD291VUSGSSA
2021-09-0915:39 UTCm62611 -16.89NAVD881VUSGSSA
2021-09-0915:39 UTCm7201919.07  1VUSGSSA
2022-09-0813:22 UTCm62610 -15.89NGVD291SUSGSSA
2022-09-0813:22 UTCm62611 -16.71NAVD881SUSGSSA
2022-09-0813:22 UTCm7201918.89  1SUSGSSA
2023-09-1313:49 UTCm62610 -16.45NGVD291SUSGSSA
2023-09-1313:49 UTCm62611 -17.27NAVD881SUSGSSA
2023-09-1313:49 UTCm7201919.45  1SUSGSSA

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
StatusPPumping
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.