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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 =
  • 381718076234001
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USGS 381718076234001 SM Dg 20

St. Mary'S County, Maryland
Latitude  38°17'20.6", Longitude  76°23'41.9" NAD83
Land-surface elevation 12 feet above NGVD29
The depth of the well is 335 feet below land surface.
The depth of the hole is 335 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 -20.85NGVD291Z  A
1998-02-26 D62611 -21.68NAVD881Z  A
1998-02-26 D7201932.85  1Z  A
1998-09-02 D62610 -20.95NGVD291Z  A
1998-09-02 D62611 -21.78NAVD881Z  A
1998-09-02 D7201932.95  1Z  A
1999-02-10 D62610 -21.31NGVD291Z  A
1999-02-10 D62611 -22.14NAVD881Z  A
1999-02-10 D7201933.31  1Z  A
1999-04-14 D62610 -21.14NGVD291Z  A
1999-04-14 D62611 -21.97NAVD881Z  A
1999-04-14 D7201933.14  1Z  A
1999-06-15 D62610 -21.80NGVD291Z  A
1999-06-15 D62611 -22.63NAVD881Z  A
1999-06-15 D7201933.80  1Z  A
1999-09-01 D62610 -22.52NGVD291Z  A
1999-09-01 D62611 -23.35NAVD881Z  A
1999-09-01 D7201934.52  1Z  A
2000-01-12 D62610 -21.95NGVD291Z  A
2000-01-12 D62611 -22.78NAVD881Z  A
2000-01-12 D7201933.95  1Z  A
2000-04-20 D62610 -20.94NGVD291Z  A
2000-04-20 D62611 -21.77NAVD881Z  A
2000-04-20 D7201932.94  1Z  A
2000-07-12 D62610 -21.04NGVD291Z  A
2000-07-12 D62611 -21.87NAVD881Z  A
2000-07-12 D7201933.04  1Z  A
2000-09-15 D62610 -20.72NGVD291Z  A
2000-09-15 D62611 -21.55NAVD881Z  A
2000-09-15 D7201932.72  1Z  A
2001-01-03 D62610 -21.28NGVD291Z  A
2001-01-03 D62611 -22.11NAVD881Z  A
2001-01-03 D7201933.28  1Z  A
2001-04-26 D62610 -20.98NGVD291Z  A
2001-04-26 D62611 -21.81NAVD881Z  A
2001-04-26 D7201932.98  1Z  A
2001-07-12 D62610 -21.16NGVD291Z  A
2001-07-12 D62611 -21.99NAVD881Z  A
2001-07-12 D7201933.16  1Z  A
2001-09-14 D62610 -21.12NGVD291Z  A
2001-09-14 D62611 -21.95NAVD881Z  A
2001-09-14 D7201933.12  1Z  A
2002-01-09 D62610 -21.44NGVD291Z  A
2002-01-09 D62611 -22.27NAVD881Z  A
2002-01-09 D7201933.44  1Z  A
2002-04-24 D62610 -21.18NGVD291Z  A
2002-04-24 D62611 -22.01NAVD881Z  A
2002-04-24 D7201933.18  1Z  A
2002-08-01 D62610 -22.09NGVD291Z  A
2002-08-01 D62611 -22.92NAVD881Z  A
2002-08-01 D7201934.09  1Z  A
2002-09-20 D62610 -22.52NGVD291Z  A
2002-09-20 D62611 -23.35NAVD881Z  A
2002-09-20 D7201934.52  1Z  A
2003-04-2119:45 UTCm62610 -22.22NGVD291SUSGSSA
2003-04-2119:45 UTCm62611 -23.05NAVD881SUSGSSA
2003-04-2119:45 UTCm7201934.22  1SUSGSSA
2003-07-2320:05 UTCm62610 -22.59NGVD291SUSGSSA
2003-07-2320:05 UTCm62611 -23.42NAVD881SUSGSSA
2003-07-2320:05 UTCm7201934.59  1SUSGSSA
2003-10-0219:25 UTCm62610 -22.78NGVD291SUSGSSA
2003-10-0219:25 UTCm62611 -23.61NAVD881SUSGSSA
2003-10-0219:25 UTCm7201934.78  1SUSGSSA
2004-02-24 D62610 -22.35NGVD291SUSGSSA
2004-02-24 D62611 -23.18NAVD881SUSGSSA
2004-02-24 D7201934.35  1SUSGSSA
2004-09-13 D62610 -22.52NGVD291SUSGSSA
2004-09-13 D62611 -23.35NAVD881SUSGSSA
2004-09-13 D7201934.52  1SUSGSSA
2005-09-14 D62610 -23.02NGVD291SUSGSSA
2005-09-14 D62611 -23.85NAVD881SUSGSSA
2005-09-14 D7201935.02  1SUSGSSA
2006-02-16 D62610 -23.35NGVD291SUSGSSA
2006-02-16 D62611 -24.18NAVD881SUSGSSA
2006-02-16 D7201935.35  1SUSGSSA
2006-04-28 D62610 -23.03NGVD291SUSGSSA
2006-04-28 D62611 -23.86NAVD881SUSGSSA
2006-04-28 D7201935.03  1SUSGSSA
2006-07-07 D62610 -23.17NGVD291SUSGSSA
2006-07-07 D62611 -24.00NAVD881SUSGSSA
2006-07-07 D7201935.17  1SUSGSSA
2006-09-27 D62610 -23.51NGVD291SUSGSSA
2006-09-27 D62611 -24.34NAVD881SUSGSSA
2006-09-27 D7201935.51  1SUSGSSA
2006-12-12 D62610 -23.73NGVD29PSUSGSSA
2006-12-12 D62611 -24.56NAVD88PSUSGSSA
2006-12-12 D7201935.73  PSUSGSSA
2007-04-18 D62610 -22.95NGVD291SUSGSSA
2007-04-18 D62611 -23.78NAVD881SUSGSSA
2007-04-18 D7201934.95  1SUSGSSA
2007-07-03 D62610 -23.05NGVD291SUSGSSA
2007-07-03 D62611 -23.88NAVD881SUSGSSA
2007-07-03 D7201935.05  1SUSGSSA
2007-09-19 D62610 -23.60NGVD291SUSGSSA
2007-09-19 D62611 -24.43NAVD881SUSGSSA
2007-09-19 D7201935.60  1SUSGSSA
2007-12-18 D62610 -23.82NGVD291SUSGSSA
2007-12-18 D62611 -24.65NAVD881SUSGSSA
2007-12-18 D7201935.82  1SUSGSSA
2008-04-09 D62610 -22.79NGVD291SUSGSSA
2008-04-09 D62611 -23.62NAVD881SUSGSSA
2008-04-09 D7201934.79  1SUSGSSA
2008-07-09 D62610 -22.91NGVD291SUSGSSA
2008-07-09 D62611 -23.74NAVD881SUSGSSA
2008-07-09 D7201934.91  1SUSGSSA
2008-09-18 D62610 -23.34NGVD291SUSGSSA
2008-09-18 D62611 -24.17NAVD881SUSGSSA
2008-09-18 D7201935.34  1SUSGSSA
2009-01-22 D62610 -22.98NGVD291SUSGSSA
2009-01-22 D62611 -23.81NAVD881SUSGSSA
2009-01-22 D7201934.98  1SUSGSSA
2009-04-28 D62610 -22.88NGVD29PSUSGSSA
2009-04-28 D62611 -23.71NAVD88PSUSGSSA
2009-04-28 D7201934.88  PSUSGSSA
2009-07-07 D62610 -22.26NGVD291SUSGSSA
2009-07-07 D62611 -23.09NAVD881SUSGSSA
2009-07-07 D7201934.26  1SUSGSSA
2009-09-23 D62610 -22.60NGVD291SUSGSSA
2009-09-23 D62611 -23.43NAVD881SUSGSSA
2009-09-23 D7201934.60  1SUSGSSA
2009-12-16 D62610 -22.31NGVD291SUSGSSA
2009-12-16 D62611 -23.14NAVD881SUSGSSA
2009-12-16 D7201934.31  1SUSGSSA
2010-04-22 D62610 -21.67NGVD291SUSGSSA
2010-04-22 D62611 -22.50NAVD881SUSGSSA
2010-04-22 D7201933.67  1SUSGSSA
2010-07-08 D62610 -22.26NGVD291SUSGSSA
2010-07-08 D62611 -23.09NAVD881SUSGSSA
2010-07-08 D7201934.26  1SUSGSSA
2010-09-1415:51 UTCm62610 -22.47NGVD291SUSGSSA
2010-09-1415:51 UTCm62611 -23.30NAVD881SUSGSSA
2010-09-1415:51 UTCm7201934.47  1SUSGSSA
2011-01-1415:55 UTCm62610 -22.69NGVD291SUSGSSA
2011-01-1415:55 UTCm62611 -23.52NAVD881SUSGSSA
2011-01-1415:55 UTCm7201934.69  1SUSGSSA
2011-04-2713:26 UTCm62610 -22.66NGVD29PSUSGSSA
2011-04-2713:26 UTCm62611 -23.49NAVD88PSUSGSSA
2011-04-2713:26 UTCm7201934.66  PSUSGSSA
2011-07-1915:47 UTCm62610 -22.21NGVD291SUSGSSA
2011-07-1915:47 UTCm62611 -23.04NAVD881SUSGSSA
2011-07-1915:47 UTCm7201934.21  1SUSGSSA
2011-09-2116:54 UTCm62610 -22.30NGVD291SUSGSSA
2011-09-2116:54 UTCm62611 -23.13NAVD881SUSGSSA
2011-09-2116:54 UTCm7201934.30  1SUSGSSA
2012-01-0614:13 UTCm62610 -22.29NGVD291SUSGSSA
2012-01-0614:13 UTCm62611 -23.12NAVD881SUSGSSA
2012-01-0614:13 UTCm7201934.29  1SUSGSSA
2012-04-2513:34 UTCm62610 -21.97NGVD291SUSGSSA
2012-04-2513:34 UTCm62611 -22.80NAVD881SUSGSSA
2012-04-2513:34 UTCm7201933.97  1SUSGSSA
2012-09-1217:29 UTCm62610 -22.50NGVD291SUSGSSA
2012-09-1217:29 UTCm62611 -23.33NAVD881SUSGSSA
2012-09-1217:29 UTCm7201934.50  1SUSGSSA
2013-04-1715:33 UTCm62610 -21.45NGVD291SUSGSSA
2013-04-1715:33 UTCm62611 -22.28NAVD881SUSGSSA
2013-04-1715:33 UTCm7201933.45  1SUSGSSA
2013-07-1612:51 UTCm62610 -21.42NGVD29PTUSGSSA
2013-07-1612:51 UTCm62611 -22.25NAVD88PTUSGSSA
2013-07-1612:51 UTCm7201933.42  PTUSGSSA
2013-09-0616:34 UTCm62610 -21.53NGVD291TUSGSSA
2013-09-0616:34 UTCm62611 -22.36NAVD881TUSGSSA
2013-09-0616:34 UTCm7201933.53  1TUSGSSA
2014-09-0317:33 UTCm62610 -21.02NGVD291SUSGSSA
2014-09-0317:33 UTCm62611 -21.85NAVD881SUSGSSA
2014-09-0317:33 UTCm7201933.02  1SUSGSSA
2015-09-1014:54 UTCm62610 -20.59NGVD291TUSGSSA
2015-09-1014:54 UTCm62611 -21.42NAVD881TUSGSSA
2015-09-1014:54 UTCm7201932.59  1TUSGSSA
2016-09-2216:09 UTCm62610 -23.44NGVD291SUSGSSA
2016-09-2216:09 UTCm62611 -24.27NAVD881SUSGSSA
2016-09-2216:09 UTCm7201935.44  1SUSGSSA
2018-09-2619:04 UTCm62610 -19.14NGVD291SUSGSSA
2018-09-2619:04 UTCm62611 -19.97NAVD881SUSGSSA
2018-09-2619:04 UTCm7201931.14  1SUSGSSA
2019-09-1817:18 UTCm62610 -19.20NGVD291SUSGSSA
2019-09-1817:18 UTCm62611 -20.03NAVD881SUSGSSA
2019-09-1817:18 UTCm7201931.20  1SUSGSSA
2020-09-1118:37 UTCm62610 -19.14NGVD291SUSGSSA
2020-09-1118:37 UTCm62611 -19.97NAVD881SUSGSSA
2020-09-1118:37 UTCm7201931.14  1SUSGSSA
2021-09-0818:43 UTCm62610 -18.75NGVD291SUSGSSA
2021-09-0818:43 UTCm62611 -19.58NAVD881SUSGSSA
2021-09-0818:43 UTCm7201930.75  1SUSGSSA
2022-09-0815:11 UTCm62610 -18.88NGVD291SUSGSSA
2022-09-0815:11 UTCm62611 -19.71NAVD881SUSGSSA
2022-09-0815:11 UTCm7201930.88  1SUSGSSA
2023-09-1315:20 UTCm62610 -19.17NGVD291SUSGSSA
2023-09-1315:20 UTCm62611 -20.00NAVD881SUSGSSA
2023-09-1315:20 UTCm7201931.17  1SUSGSSA
2024-09-1113:53 UTCm62610 -19.42NGVD291SUSGSSP
2024-09-1113:53 UTCm62611 -20.25NAVD881SUSGSSP
2024-09-1113:53 UTCm7201931.42  1SUSGSSP

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 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.
Water-level approval statusPProvisional data subject to revision.