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Groundwater levels for the Nation

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Agency code = usgs
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  • 381532076250101
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USGS 381532076250101 SM Df 80

St. Mary'S County, Maryland
Latitude  38°15'32.5", Longitude  76°24'59.6" NAD83
Land-surface elevation 42 feet above NGVD29
The depth of the well is 565 feet below land surface.
The depth of the hole is 586 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.
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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
1978-06-27 D62610 -53.10NGVD291SUSGSSA
1978-06-27 D62611 -54.01NAVD881SUSGSSA
1978-06-27 D7201995.10  1SUSGSSA
1984-09-13 D62610 -54.30NGVD291Z  A
1984-09-13 D62611 -55.21NAVD881Z  A
1984-09-13 D7201996.30  1Z  A
1986-04-02 D62610 -51.55NGVD291Z  A
1986-04-02 D62611 -52.46NAVD881Z  A
1986-04-02 D7201993.55  1Z  A
1986-09-11 D62610 -58.29NGVD291Z  A
1986-09-11 D62611 -59.20NAVD881Z  A
1986-09-11 D72019100.29  1Z  A
1987-04-21 D62610 -56.00NGVD291Z  A
1987-04-21 D62611 -56.91NAVD881Z  A
1987-04-21 D7201998.00  1Z  A
1987-09-24 D62610 -63.64NGVD291Z  A
1987-09-24 D62611 -64.55NAVD881Z  A
1987-09-24 D72019105.64  1Z  A
1988-09-20 D62610 -71.24NGVD291Z  A
1988-09-20 D62611 -72.15NAVD881Z  A
1988-09-20 D72019113.24  1Z  A
1990-04-19 D62610 -75.42NGVD29PZ  A
1990-04-19 D62611 -76.33NAVD88PZ  A
1990-04-19 D72019117.42  PZ  A
1990-09-11 D62610 -81.87NGVD291Z  A
1990-09-11 D62611 -82.78NAVD881Z  A
1990-09-11 D72019123.87  1Z  A
1991-04-10 D62610 -78.20NGVD291Z  A
1991-04-10 D62611 -79.11NAVD881Z  A
1991-04-10 D72019120.20  1Z  A
1991-04-11 D62610 -79.60NGVD291Z  A
1991-04-11 D62611 -80.51NAVD881Z  A
1991-04-11 D72019121.60  1Z  A
1991-09-06 D62610 -86.18NGVD291Z  A
1991-09-06 D62611 -87.09NAVD881Z  A
1991-09-06 D72019128.18  1Z  A
1992-04-08 D62610 -81.73NGVD291Z  A
1992-04-08 D62611 -82.64NAVD881Z  A
1992-04-08 D72019123.73  1Z  A
1992-09-17 D62610 -86.08NGVD291Z  A
1992-09-17 D62611 -86.99NAVD881Z  A
1992-09-17 D72019128.08  1Z  A
1993-04-28 D62610 -83.95NGVD291Z  A
1993-04-28 D62611 -84.86NAVD881Z  A
1993-04-28 D72019125.95  1Z  A
1993-09-29 D62610 -92.06NGVD291Z  A
1993-09-29 D62611 -92.97NAVD881Z  A
1993-09-29 D72019134.06  1Z  A
1994-05-03 D62610 -86.95NGVD291Z  A
1994-05-03 D62611 -87.86NAVD881Z  A
1994-05-03 D72019128.95  1Z  A
1994-09-08 D62610 -93.00NGVD291Z  A
1994-09-08 D62611 -93.91NAVD881Z  A
1994-09-08 D72019135.00  1Z  A
1995-10-03 D62610 -99.67NGVD291Z  A
1995-10-03 D62611 -100.58NAVD881Z  A
1995-10-03 D72019141.67  1Z  A
1996-04-26 D62610 -99.81NGVD291Z  A
1996-04-26 D62611 -100.72NAVD881Z  A
1996-04-26 D72019141.81  1Z  A
1996-09-24 D62610 -105.15NGVD291Z  A
1996-09-24 D62611 -106.06NAVD881Z  A
1996-09-24 D72019147.15  1Z  A
1997-04-17 D62610 -104.57NGVD291Z  A
1997-04-17 D62611 -105.48NAVD881Z  A
1997-04-17 D72019146.57  1Z  A
1997-05-14 D62610 -104.04NGVD291Z  A
1997-05-14 D62611 -104.95NAVD881Z  A
1997-05-14 D72019146.04  1Z  A
1997-09-23 D62610 -116.45NGVD291Z  A
1997-09-23 D62611 -117.36NAVD881Z  A
1997-09-23 D72019158.45  1Z  A
1998-09-02 D62610 -120.61NGVD291Z  A
1998-09-02 D62611 -121.52NAVD881Z  A
1998-09-02 D72019162.61  1Z  A
1999-04-14 D62610 -112.15NGVD291Z  A
1999-04-14 D62611 -113.06NAVD881Z  A
1999-04-14 D72019154.15  1Z  A
1999-08-31 D62610 -125.37NGVD291Z  A
1999-08-31 D62611 -126.28NAVD881Z  A
1999-08-31 D72019167.37  1Z  A
2000-04-20 D62610 -120.31NGVD291Z  A
2000-04-20 D62611 -121.22NAVD881Z  A
2000-04-20 D72019162.31  1Z  A
2000-09-14 D62610 -122.35NGVD291Z  A
2000-09-14 D62611 -123.26NAVD881Z  A
2000-09-14 D72019164.35  1Z  A
2001-04-24 D62610 -118.32NGVD291Z  A
2001-04-24 D62611 -119.23NAVD881Z  A
2001-04-24 D72019160.32  1Z  A
2001-09-11 D62610 -128.67NGVD291Z  A
2001-09-11 D62611 -129.58NAVD881Z  A
2001-09-11 D72019170.67  1Z  A
2002-09-18 D62610 -136.69NGVD291TUSGSSA
2002-09-18 D62611 -137.60NAVD881TUSGSSA
2002-09-18 D72019178.69  1TUSGSSA
2003-05-07 D62610 -128.23NGVD291SUSGSSA
2003-05-07 D62611 -129.14NAVD881SUSGSSA
2003-05-07 D72019170.23  1SUSGSSA
2003-09-11 D62610 -126.37NGVD291SUSGSSA
2003-09-11 D62611 -127.28NAVD881SUSGSSA
2003-09-11 D72019168.37  1SUSGSSA
2004-05-05 D62610 -118.20NGVD291SUSGSSA
2004-05-05 D62611 -119.11NAVD881SUSGSSA
2004-05-05 D72019160.20  1SUSGSSA
2004-09-29 D62610 -129.24NGVD291SUSGSSA
2004-09-29 D62611 -130.15NAVD881SUSGSSA
2004-09-29 D72019171.24  1SUSGSSA
2005-09-14 D62610 -137.90NGVD291TUSGSSA
2005-09-14 D62611 -138.81NAVD881TUSGSSA
2005-09-14 D72019179.90  1TUSGSSA
2006-09-27 D62610 -136.43NGVD291TUSGSSA
2006-09-27 D62611 -137.34NAVD881TUSGSSA
2006-09-27 D72019178.43  1TUSGSSA
2007-09-18 D62610 -136.80NGVD291TUSGSSA
2007-09-18 D62611 -137.71NAVD881TUSGSSA
2007-09-18 D72019178.80  1TUSGSSA
2008-09-17 D62610 -135.05NGVD291TUSGSSA
2008-09-17 D62611 -135.96NAVD881TUSGSSA
2008-09-17 D72019177.05  1TUSGSSA
2009-09-23 D62610 -129.65NGVD291TUSGSSA
2009-09-23 D62611 -130.56NAVD881TUSGSSA
2009-09-23 D72019171.65  1TUSGSSA
2010-09-1413:19 UTCm62610 -136.60NGVD291TUSGSSA
2010-09-1413:19 UTCm62611 -137.51NAVD881TUSGSSA
2010-09-1413:19 UTCm72019178.60  1TUSGSSA
2011-09-2020:14 UTCm62610 -134.45NGVD291TUSGSSA
2011-09-2020:14 UTCm62611 -135.36NAVD881TUSGSSA
2011-09-2020:14 UTCm72019176.45  1TUSGSSA
2012-04-2615:48 UTCm62610 -125.82NGVD291SMD006AA
2012-04-2615:48 UTCm62611 -126.73NAVD881SMD006AA
2012-04-2615:48 UTCm72019167.82  1SMD006AA
2012-09-1213:46 UTCm62610 -133.15NGVD291TUSGSSA
2012-09-1213:46 UTCm62611 -134.06NAVD881TUSGSSA
2012-09-1213:46 UTCm72019175.15  1TUSGSSA
2013-09-0612:07 UTCm62610 -133.93NGVD291TUSGSSA
2013-09-0612:07 UTCm62611 -134.84NAVD881TUSGSSA
2013-09-0612:07 UTCm72019175.93  1TUSGSSA
2014-09-0312:58 UTCm62610 -135.52NGVD291TUSGSSA
2014-09-0312:58 UTCm62611 -136.43NAVD881TUSGSSA
2014-09-0312:58 UTCm72019177.52  1TUSGSSA
2015-09-1015:00 UTCm62610 -134.22NGVD291TUSGSSA
2015-09-1015:00 UTCm62611 -135.13NAVD881TUSGSSA
2015-09-1015:00 UTCm72019176.22  1TUSGSSA
2016-09-2115:07 UTCm62610 -132.35NGVD291TUSGSSA
2016-09-2115:07 UTCm62611 -133.26NAVD881TUSGSSA
2016-09-2115:07 UTCm72019174.35  1TUSGSSA
2017-09-2615:12 UTCm62610 -131.33NGVD291TUSGSSA
2017-09-2615:12 UTCm62611 -132.24NAVD881TUSGSSA
2017-09-2615:12 UTCm72019173.33  1TUSGSSA
2018-09-2415:28 UTCm62610 -132.50NGVD291TUSGSSA
2018-09-2415:28 UTCm62611 -133.41NAVD881TUSGSSA
2018-09-2415:28 UTCm72019174.50  1TUSGSSA
2019-09-1114:00 UTCm62610 -132.29NGVD291VUSGSSA
2019-09-1114:00 UTCm62611 -133.20NAVD881VUSGSSA
2019-09-1114:00 UTCm72019174.29  1VUSGSSA
2020-09-0211:54 UTCm62610 -131.77NGVD291SUSGSSA
2020-09-0211:54 UTCm62611 -132.68NAVD881SUSGSSA
2020-09-0211:54 UTCm72019173.77  1SUSGSSA
2021-09-1413:46 UTCm62610 -131.96NGVD291VUSGSSA
2021-09-1413:46 UTCm62611 -132.87NAVD881VUSGSSA
2021-09-1413:46 UTCm72019173.96  1VUSGSSA
2022-09-1214:11 UTCm62610 -128.64NGVD291VUSGSSA
2022-09-1214:11 UTCm62611 -129.55NAVD881VUSGSSA
2022-09-1214:11 UTCm72019170.64  1VUSGSSA
2023-09-1413:37 UTCm62610 -129.54NGVD291VUSGSSA
2023-09-1413:37 UTCm62611 -130.45NAVD881VUSGSSA
2023-09-1413:37 UTCm72019171.54  1VUSGSSA
2024-09-1213:28 UTCm62610 -123.95NGVD291VUSGSSA
2024-09-1213:28 UTCm62611 -124.86NAVD881VUSGSSA
2024-09-1213:28 UTCm72019165.95  1VUSGSSA

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 agencyMD006Maryland Geological Survey
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.