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Groundwater levels for the Nation

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Agency code = usgs
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  • 381715076261601
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USGS 381715076261601 SM Df 10

St. Mary'S County, Maryland
Latitude  38°17'12", Longitude  76°26'18" NAD27
Land-surface elevation 46.00 feet above NGVD29
The depth of the well is 534 feet below land surface.
The depth of the hole is 535 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 (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
1943-06-25 D62610 1.00NGVD291Z  A
1943-06-25 D62611 0.15NAVD881Z  A
1943-06-25 D7201945.00  1Z  A
1983-04-08 D62610 -51.15NGVD291Z  A
1983-04-08 D62611 -52.00NAVD881Z  A
1983-04-08 D7201997.15  1Z  A
1998-02-19 D62610 -115.40NGVD291Z  A
1998-02-19 D62611 -116.25NAVD881Z  A
1998-02-19 D72019161.40  1Z  A
1998-04-29 D62610 -117.21NGVD291Z  A
1998-04-29 D62611 -118.06NAVD881Z  A
1998-04-29 D72019163.21  1Z  A
1999-02-10 D62610 -123.95NGVD291Z  A
1999-02-10 D62611 -124.80NAVD881Z  A
1999-02-10 D72019169.95  1Z  A
1999-06-15 D62610 -139.31NGVD291Z  A
1999-06-15 D62611 -140.16NAVD881Z  A
1999-06-15 D72019185.31  1Z  A
1999-09-01 D62610 -139.37NGVD291Z  A
1999-09-01 D62611 -140.22NAVD881Z  A
1999-09-01 D72019185.37  1Z  A
2000-01-12 D62610 -133.21NGVD291Z  A
2000-01-12 D62611 -134.06NAVD881Z  A
2000-01-12 D72019179.21  1Z  A
2000-04-20 D62610 -132.92NGVD291Z  A
2000-04-20 D62611 -133.77NAVD881Z  A
2000-04-20 D72019178.92  1Z  A
2000-07-12 D62610 -136.42NGVD291Z  A
2000-07-12 D62611 -137.27NAVD881Z  A
2000-07-12 D72019182.42  1Z  A
2000-09-15 D62610 -137.75NGVD291Z  A
2000-09-15 D62611 -138.60NAVD881Z  A
2000-09-15 D72019183.75  1Z  A
2001-01-03 D62610 -132.38NGVD291Z  A
2001-01-03 D62611 -133.23NAVD881Z  A
2001-01-03 D72019178.38  1Z  A
2001-07-12 D62610 -140.61NGVD291Z  A
2001-07-12 D62611 -141.46NAVD881Z  A
2001-07-12 D72019186.61  1Z  A
2006-02-16 D62610 -136.68NGVD291SUSGSSA
2006-02-16 D62611 -137.53NAVD881SUSGSSA
2006-02-16 D72019182.68  1SUSGSSA
2006-04-28 D62610 -138.52NGVD291SUSGSSA
2006-04-28 D62611 -139.37NAVD881SUSGSSA
2006-04-28 D72019184.52  1SUSGSSA
2006-07-07 D62610 -145.72NGVD291SUSGSSA
2006-07-07 D62611 -146.57NAVD881SUSGSSA
2006-07-07 D72019191.72  1SUSGSSA
2006-09-27 D62610 -150.00NGVD291SUSGSSA
2006-09-27 D62611 -150.85NAVD881SUSGSSA
2006-09-27 D72019196.00  1SUSGSSA
2006-12-12 D62610 -137.88NGVD291SUSGSSA
2006-12-12 D62611 -138.73NAVD881SUSGSSA
2006-12-12 D72019183.88  1SUSGSSA
2007-04-18 D62610 -135.31NGVD29PSUSGSSA
2007-04-18 D62611 -136.16NAVD88PSUSGSSA
2007-04-18 D72019181.31  PSUSGSSA
2007-07-03 D62610 -142.66NGVD291SUSGSSA
2007-07-03 D62611 -143.51NAVD881SUSGSSA
2007-07-03 D72019188.66  1SUSGSSA
2007-09-19 D62610 -146.86NGVD291SUSGSSA
2007-09-19 D62611 -147.71NAVD881SUSGSSA
2007-09-19 D72019192.86  1SUSGSSA
2007-12-18 D62610 -138.67NGVD291SUSGSSA
2007-12-18 D62611 -139.52NAVD881SUSGSSA
2007-12-18 D72019184.67  1SUSGSSA
2008-04-09 D62610 -131.44NGVD291SUSGSSA
2008-04-09 D62611 -132.29NAVD881SUSGSSA
2008-04-09 D72019177.44  1SUSGSSA
2008-07-09 D62610 -137.36NGVD291SUSGSSA
2008-07-09 D62611 -138.21NAVD881SUSGSSA
2008-07-09 D72019183.36  1SUSGSSA
2008-09-18 D62610 -144.65NGVD29PSUSGSSA
2008-09-18 D62611 -145.50NAVD88PSUSGSSA
2008-09-18 D72019190.65  PSUSGSSA
2009-01-22 D62610 -136.57NGVD291SUSGSSA
2009-01-22 D62611 -137.42NAVD881SUSGSSA
2009-01-22 D72019182.57  1SUSGSSA
2009-09-23 D62610 -138.03NGVD291SUSGSSA
2009-09-23 D62611 -138.88NAVD881SUSGSSA
2009-09-23 D72019184.03  1SUSGSSA
2009-12-16 D62610 -130.89NGVD291SUSGSSA
2009-12-16 D62611 -131.74NAVD881SUSGSSA
2009-12-16 D72019176.89  1SUSGSSA
2010-04-22 D62610 -131.13NGVD291SUSGSSA
2010-04-22 D62611 -131.98NAVD881SUSGSSA
2010-04-22 D72019177.13  1SUSGSSA
2010-07-08 D62610 -145.49NGVD291SUSGSSA
2010-07-08 D62611 -146.34NAVD881SUSGSSA
2010-07-08 D72019191.49  1SUSGSSA
2010-09-14 D62610 -145.53NGVD291SUSGSSA
2010-09-14 D62611 -146.38NAVD881SUSGSSA
2010-09-14 D72019191.53  1SUSGSSA
2011-01-1417:55 UTCm62610 -135.43NGVD291SUSGSSA
2011-01-1417:55 UTCm62611 -136.28NAVD881SUSGSSA
2011-01-1417:55 UTCm72019181.43  1SUSGSSA
2011-07-1917:30 UTCm62610 -141.84NGVD291SUSGSSA
2011-07-1917:30 UTCm62611 -142.69NAVD881SUSGSSA
2011-07-1917:30 UTCm72019187.84  1SUSGSSA
2011-09-2117:00 UTCm62610 -141.13NGVD291SUSGSSA
2011-09-2117:00 UTCm62611 -141.98NAVD881SUSGSSA
2011-09-2117:00 UTCm72019187.13  1SUSGSSA
2012-01-0614:16 UTCm62610 -132.30NGVD291SUSGSSA
2012-01-0614:16 UTCm62611 -133.15NAVD881SUSGSSA
2012-01-0614:16 UTCm72019178.30  1SUSGSSA
2013-04-1717:09 UTCm62610 -131.47NGVD291SUSGSSA
2013-04-1717:09 UTCm62611 -132.32NAVD881SUSGSSA
2013-04-1717:09 UTCm72019177.47  1SUSGSSA
2013-07-1614:41 UTCm62610 -136.29NGVD291TUSGSSA
2013-07-1614:41 UTCm62611 -137.14NAVD881TUSGSSA
2013-07-1614:41 UTCm72019182.29  1TUSGSSA
2013-09-0618:03 UTCm62610 -141.29NGVD291TUSGSSA
2013-09-0618:03 UTCm62611 -142.14NAVD881TUSGSSA
2013-09-0618:03 UTCm72019187.29  1TUSGSSA
2014-09-0317:11 UTCm62610 -142.69NGVD291TUSGSSA
2014-09-0317:11 UTCm62611 -143.54NAVD881TUSGSSA
2014-09-0317:11 UTCm72019188.69  1TUSGSSA
2015-09-3013:45 UTCm62610 -144.11NGVD291SUSGSSA
2015-09-3013:45 UTCm62611 -144.96NAVD881SUSGSSA
2015-09-3013:45 UTCm72019190.11  1SUSGSSA
2016-09-2217:43 UTCm62610 -140.85NGVD291TUSGSSA
2016-09-2217:43 UTCm62611 -141.70NAVD881TUSGSSA
2016-09-2217:43 UTCm72019186.85  1TUSGSSA
2017-09-2119:51 UTCm62610 -137.98NGVD291SUSGSSA
2017-09-2119:51 UTCm62611 -138.83NAVD881SUSGSSA
2017-09-2119:51 UTCm72019183.98  1SUSGSSA
2018-09-2617:19 UTCm62610 -137.56NGVD291VUSGSSA
2018-09-2617:19 UTCm62611 -138.41NAVD881VUSGSSA
2018-09-2617:19 UTCm72019183.56  1VUSGSSA
2019-09-1816:02 UTCm62610 -140.12NGVD291VUSGSSA
2019-09-1816:02 UTCm62611 -140.97NAVD881VUSGSSA
2019-09-1816:02 UTCm72019186.12  1VUSGSSA
2020-09-1119:24 UTCm62610 -136.19NGVD291VUSGSSA
2020-09-1119:24 UTCm62611 -137.04NAVD881VUSGSSA
2020-09-1119:24 UTCm72019182.19  1VUSGSSA
2021-09-1017:29 UTCm62610 -135.04NGVD291VUSGSSA
2021-09-1017:29 UTCm62611 -135.89NAVD881VUSGSSA
2021-09-1017:29 UTCm72019181.04  1VUSGSSA
2022-09-0715:48 UTCm62610 -135.08NGVD291SUSGSSA
2022-09-0715:48 UTCm62611 -135.93NAVD881SUSGSSA
2022-09-0715:48 UTCm72019181.08  1SUSGSSA
2023-09-1214:47 UTCm62610 -135.74NGVD291SUSGSSA
2023-09-1214:47 UTCm62611 -136.59NAVD881SUSGSSA
2023-09-1214:47 UTCm72019181.74  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.