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Groundwater levels for the Nation

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Agency code = usgs
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  • 381607076241401
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USGS 381607076241401 SM Dg 18

St. Mary'S County, Maryland
Latitude  38°16'09.8", Longitude  76°24'11.8" NAD83
Land-surface elevation 18 feet above NGVD29
The depth of the well is 553 feet below land surface.
The depth of the hole is 573 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 Aquia Formation or Aquifer (125AQUI) 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
1998-02-19 D62610 -103.50NGVD291Z  A
1998-02-19 D62611 -104.39NAVD881Z  A
1998-02-19 D72019121.50  1Z  A
1998-04-29 D62610 -108.66NGVD291Z  A
1998-04-29 D62611 -109.55NAVD881Z  A
1998-04-29 D72019126.66  1Z  A
1999-06-15 D62610 -120.46NGVD291Z  A
1999-06-15 D62611 -121.35NAVD881Z  A
1999-06-15 D72019138.46  1Z  A
2000-01-12 D62610 -115.64NGVD291Z  A
2000-01-12 D62611 -116.53NAVD881Z  A
2000-01-12 D72019133.64  1Z  A
2000-04-20 D62610 -115.84NGVD291Z  A
2000-04-20 D62611 -116.73NAVD881Z  A
2000-04-20 D72019133.84  1Z  A
2000-07-12 D62610 -120.47NGVD291Z  A
2000-07-12 D62611 -121.36NAVD881Z  A
2000-07-12 D72019138.47  1Z  A
2000-09-15 D62610 -119.56NGVD291Z  A
2000-09-15 D62611 -120.45NAVD881Z  A
2000-09-15 D72019137.56  1Z  A
2001-01-03 D62610 -118.45NGVD291Z  A
2001-01-03 D62611 -119.34NAVD881Z  A
2001-01-03 D72019136.45  1Z  A
2001-04-26 D62610 -115.55NGVD291Z  A
2001-04-26 D62611 -116.44NAVD881Z  A
2001-04-26 D72019133.55  1Z  A
2001-07-12 D62610 -124.90NGVD291Z  A
2001-07-12 D62611 -125.79NAVD881Z  A
2001-07-12 D72019142.90  1Z  A
2001-09-14 D62610 -127.31NGVD291Z  A
2001-09-14 D62611 -128.20NAVD881Z  A
2001-09-14 D72019145.31  1Z  A
2002-01-09 D62610 -119.88NGVD291Z  A
2002-01-09 D62611 -120.77NAVD881Z  A
2002-01-09 D72019137.88  1Z  A
2002-08-01 D62610 -132.47NGVD291Z  A
2002-08-01 D62611 -133.36NAVD881Z  A
2002-08-01 D72019150.47  1Z  A
2002-09-20 D62610 -132.51NGVD291Z  A
2002-09-20 D62611 -133.40NAVD881Z  A
2002-09-20 D72019150.51  1Z  A
2003-01-15 D62610 -123.24NGVD291SUSGSSA
2003-01-15 D62611 -124.13NAVD881SUSGSSA
2003-01-15 D72019141.24  1SUSGSSA
2003-04-2119:15 UTCm62610 -119.03NGVD291SUSGSSA
2003-04-2119:15 UTCm62611 -119.92NAVD881SUSGSSA
2003-04-2119:15 UTCm72019137.03  1SUSGSSA
2003-07-2320:40 UTCm62610 -128.15NGVD291SUSGSSA
2003-07-2320:40 UTCm62611 -129.04NAVD881SUSGSSA
2003-07-2320:40 UTCm72019146.15  1SUSGSSA
2003-10-0220:05 UTCm62610 -123.49NGVD291SUSGSSA
2003-10-0220:05 UTCm62611 -124.38NAVD881SUSGSSA
2003-10-0220:05 UTCm72019141.49  1SUSGSSA
2004-02-24 D62610 -204.66NGVD291SUSGSSA
2004-02-24 D62611 -205.55NAVD881SUSGSSA
2004-02-24 D72019222.66  1SUSGSSA
2004-09-13 D62610 -122.83NGVD291SUSGSSA
2004-09-13 D62611 -123.72NAVD881SUSGSSA
2004-09-13 D72019140.83  1SUSGSSA
2005-09-14 D62610 -134.35NGVD291SUSGSSA
2005-09-14 D62611 -135.24NAVD881SUSGSSA
2005-09-14 D72019152.35  1SUSGSSA
2006-09-27 D62610 -136.38NGVD29PSUSGSSA
2006-09-27 D62611 -137.27NAVD88PSUSGSSA
2006-09-27 D72019154.38  PSUSGSSA
2007-04-18 D62610 -120.15NGVD291SUSGSSA
2007-04-18 D62611 -121.04NAVD881SUSGSSA
2007-04-18 D72019138.15  1SUSGSSA
2007-07-03 D62610 -127.85NGVD291SUSGSSA
2007-07-03 D62611 -128.74NAVD881SUSGSSA
2007-07-03 D72019145.85  1SUSGSSA
2007-12-18 D62610 -126.34NGVD291SUSGSSA
2007-12-18 D62611 -127.23NAVD881SUSGSSA
2007-12-18 D72019144.34  1SUSGSSA
2008-04-09 D62610 -120.88NGVD291SUSGSSA
2008-04-09 D62611 -121.77NAVD881SUSGSSA
2008-04-09 D72019138.88  1SUSGSSA
2008-07-09 D62610 -129.25NGVD29PSUSGSSA
2008-07-09 D62611 -130.14NAVD88PSUSGSSA
2008-07-09 D72019147.25  PSUSGSSA
2008-09-18 D62610 -131.20NGVD291SUSGSSA
2008-09-18 D62611 -132.09NAVD881SUSGSSA
2008-09-18 D72019149.20  1SUSGSSA
2009-01-22 D62610 -123.35NGVD291SUSGSSA
2009-01-22 D62611 -124.24NAVD881SUSGSSA
2009-01-22 D72019141.35  1SUSGSSA
2009-07-07 D62610 -127.51NGVD291SUSGSSA
2009-07-07 D62611 -128.40NAVD881SUSGSSA
2009-07-07 D72019145.51  1SUSGSSA
2010-04-22 D62610 -122.56NGVD291SUSGSSA
2010-04-22 D62611 -123.45NAVD881SUSGSSA
2010-04-22 D72019140.56  1SUSGSSA
2011-01-1415:30 UTCm62610 -122.08NGVD291SUSGSSA
2011-01-1415:30 UTCm62611 -122.97NAVD881SUSGSSA
2011-01-1415:30 UTCm72019140.08  1SUSGSSA
2011-04-2713:05 UTCm62610 -121.40NGVD291SUSGSSA
2011-04-2713:05 UTCm62611 -122.29NAVD881SUSGSSA
2011-04-2713:05 UTCm72019139.40  1SUSGSSA
2011-07-1916:00 UTCm62610 -132.25NGVD291SUSGSSA
2011-07-1916:00 UTCm62611 -133.14NAVD881SUSGSSA
2011-07-1916:00 UTCm72019150.25  1SUSGSSA
2012-01-0614:12 UTCm62610 -125.30NGVD291SUSGSSA
2012-01-0614:12 UTCm62611 -126.19NAVD881SUSGSSA
2012-01-0614:12 UTCm72019143.30  1SUSGSSA
2012-04-2515:56 UTCm62610 -120.95NGVD291SUSGSSA
2012-04-2515:56 UTCm62611 -121.84NAVD881SUSGSSA
2012-04-2515:56 UTCm72019138.95  1SUSGSSA
2013-04-1715:18 UTCm62610 -122.31NGVD291SUSGSSA
2013-04-1715:18 UTCm62611 -123.20NAVD881SUSGSSA
2013-04-1715:18 UTCm72019140.31  1SUSGSSA
2013-07-1612:27 UTCm62610 -124.22NGVD291TUSGSSA
2013-07-1612:27 UTCm62611 -125.11NAVD881TUSGSSA
2013-07-1612:27 UTCm72019142.22  1TUSGSSA
2013-09-0616:10 UTCm62610 -130.10NGVD291TUSGSSA
2013-09-0616:10 UTCm62611 -130.99NAVD881TUSGSSA
2013-09-0616:10 UTCm72019148.10  1TUSGSSA
2014-09-0317:18 UTCm62610 -132.25NGVD291TUSGSSA
2014-09-0317:18 UTCm62611 -133.14NAVD881TUSGSSA
2014-09-0317:18 UTCm72019150.25  1TUSGSSA
2015-09-3013:30 UTCm62610 -128.26NGVD291SUSGSSA
2015-09-3013:30 UTCm62611 -129.15NAVD881SUSGSSA
2015-09-3013:30 UTCm72019146.26  1SUSGSSA
2016-09-2215:29 UTCm62610 -128.27NGVD291SUSGSSA
2016-09-2215:29 UTCm62611 -129.16NAVD881SUSGSSA
2016-09-2215:29 UTCm72019146.27  1SUSGSSA
2017-10-0520:09 UTCm62610 -129.99NGVD291SUSGSSA
2017-10-0520:09 UTCm62611 -130.88NAVD881SUSGSSA
2017-10-0520:09 UTCm72019147.99  1SUSGSSA
2019-09-1816:28 UTCm62610 -129.40NGVD291SUSGSSA
2019-09-1816:28 UTCm62611 -130.29NAVD881SUSGSSA
2019-09-1816:28 UTCm72019147.40  1SUSGSSA
2020-09-1120:20 UTCm62610 -126.92NGVD291SUSGSSA
2020-09-1120:20 UTCm62611 -127.81NAVD881SUSGSSA
2020-09-1120:20 UTCm72019144.92  1SUSGSSA
2021-09-0818:18 UTCm62610 -126.91NGVD291SUSGSSA
2021-09-0818:18 UTCm62611 -127.80NAVD881SUSGSSA
2021-09-0818:18 UTCm72019144.91  1SUSGSSA
2022-09-0716:57 UTCm62610 -127.00NGVD291SUSGSSA
2022-09-0716:57 UTCm62611 -127.89NAVD881SUSGSSA
2022-09-0716:57 UTCm72019145.00  1SUSGSSA
2023-09-1216:02 UTCm62610 -132.27NGVD291SUSGSSA
2023-09-1216:02 UTCm62611 -133.16NAVD881SUSGSSA
2023-09-1216:02 UTCm72019150.27  1SUSGSSA
2024-09-1014:46 UTCm62610 -121.45NGVD291SUSGSSP
2024-09-1014:46 UTCm62611 -122.34NAVD881SUSGSSP
2024-09-1014:46 UTCm72019139.45  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.