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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 381632076275301
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USGS 381632076275301 SM Df 62

St. Mary'S County, Maryland
Latitude  38°16'32.9", Longitude  76°28'02.6" NAD83
Land-surface elevation 104 feet above NGVD29
The depth of the well is 630 feet below land surface.
The depth of the hole is 708 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
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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
1978-06-21 D62610 -60.21NGVD291Z  A
1978-06-21 D62611 -61.11NAVD881Z  A
1978-06-21 D72019164.21  1Z  A
1979-05-25 D62610 -74.71NGVD291Z  A
1979-05-25 D62611 -75.61NAVD881Z  A
1979-05-25 D72019178.71  1Z  A
1982-09-16 D62610 -75.43NGVD291Z  A
1982-09-16 D62611 -76.33NAVD881Z  A
1982-09-16 D72019179.43  1Z  A
1983-04-08 D62610 -74.73NGVD291Z  A
1983-04-08 D62611 -75.63NAVD881Z  A
1983-04-08 D72019178.73  1Z  A
1984-09-13 D62610 -73.05NGVD291Z  A
1984-09-13 D62611 -73.95NAVD881Z  A
1984-09-13 D72019177.05  1Z  A
1985-04-04 D62610 -69.83NGVD291Z  A
1985-04-04 D62611 -70.73NAVD881Z  A
1985-04-04 D72019173.83  1Z  A
1985-09-13 D62610 -79.86NGVD291Z  A
1985-09-13 D62611 -80.76NAVD881Z  A
1985-09-13 D72019183.86  1Z  A
1986-09-26 D62610 -80.26NGVD291Z  A
1986-09-26 D62611 -81.16NAVD881Z  A
1986-09-26 D72019184.26  1Z  A
1988-04-14 D62610 -99.92NGVD291Z  A
1988-04-14 D62611 -100.82NAVD881Z  A
1988-04-14 D72019203.92  1Z  A
1992-04-08 D62610 -107.34NGVD291S  A
1992-04-08 D62611 -108.24NAVD881S  A
1992-04-08 D72019211.34  1S  A
1993-04-28 D62610 -114.24NGVD291Z  A
1993-04-28 D62611 -115.14NAVD881Z  A
1993-04-28 D72019218.24  1Z  A
1994-09-09 D62610 -121.12NGVD291S  A
1994-09-09 D62611 -122.02NAVD881S  A
1994-09-09 D72019225.12  1S  A
1995-05-31 D62610 -118.49NGVD291S  A
1995-05-31 D62611 -119.39NAVD881S  A
1995-05-31 D72019222.49  1S  A
1996-09-24 D62610 -134.27NGVD291Z  A
1996-09-24 D62611 -135.17NAVD881Z  A
1996-09-24 D72019238.27  1Z  A
1997-04-17 D62610 -131.34NGVD291Z  A
1997-04-17 D62611 -132.24NAVD881Z  A
1997-04-17 D72019235.34  1Z  A
1997-09-23 D62610 -143.34NGVD291Z  A
1997-09-23 D62611 -144.24NAVD881Z  A
1997-09-23 D72019247.34  1Z  A
1998-04-28 D62610 -139.35NGVD291Z  A
1998-04-28 D62611 -140.25NAVD881Z  A
1998-04-28 D72019243.35  1Z  A
1998-09-03 D62610 -158.97NGVD291Z  A
1998-09-03 D62611 -159.87NAVD881Z  A
1998-09-03 D72019262.97  1Z  A
1999-04-14 D62610 -142.37NGVD291Z  A
1999-04-14 D62611 -143.27NAVD881Z  A
1999-04-14 D72019246.37  1Z  A
1999-09-21 D62610 -164.10NGVD291Z  A
1999-09-21 D62611 -165.00NAVD881Z  A
1999-09-21 D72019268.10  1Z  A
2000-09-14 D62610 -162.95NGVD291Z  A
2000-09-14 D62611 -163.85NAVD881Z  A
2000-09-14 D72019266.95  1Z  A
2004-05-05 D62610 -144.46NGVD291SUSGSSA
2004-05-05 D62611 -145.36NAVD881SUSGSSA
2004-05-05 D72019248.46  1SUSGSSA
2007-09-26 D62610 -162.28NGVD291SUSGSSA
2007-09-26 D62611 -163.18NAVD881SUSGSSA
2007-09-26 D72019266.28  1SUSGSSA
2008-09-17 D62610 -154.48NGVD291SUSGSSA
2008-09-17 D62611 -155.38NAVD881SUSGSSA
2008-09-17 D72019258.48  1SUSGSSA
2009-09-25 D62610 -144.91NGVD291SUSGSSA
2009-09-25 D62611 -145.81NAVD881SUSGSSA
2009-09-25 D72019248.91  1SUSGSSA
2010-09-1413:15 UTCm62610 -157.08NGVD291SUSGSSA
2010-09-1413:15 UTCm62611 -157.98NAVD881SUSGSSA
2010-09-1413:15 UTCm72019261.08  1SUSGSSA
2011-09-2116:52 UTCm62610 -150.20NGVD291SUSGSSA
2011-09-2116:52 UTCm62611 -151.10NAVD881SUSGSSA
2011-09-2116:52 UTCm72019254.20  1SUSGSSA
2012-04-2613:57 UTCm62610 -144.06NGVD291SMD006AA
2012-04-2613:57 UTCm62611 -144.96NAVD881SMD006AA
2012-04-2613:57 UTCm72019248.06  1SMD006AA
2012-09-1212:42 UTCm62610 -153.92NGVD291SUSGSSA
2012-09-1212:42 UTCm62611 -154.82NAVD881SUSGSSA
2012-09-1212:42 UTCm72019257.92  1SUSGSSA
2013-09-0611:33 UTCm62610 -153.86NGVD291TUSGSSA
2013-09-0611:33 UTCm62611 -154.76NAVD881TUSGSSA
2013-09-0611:33 UTCm72019257.86  1TUSGSSA
2014-09-0312:33 UTCm62610 -162.22NGVD291TUSGSSA
2014-09-0312:33 UTCm62611 -163.12NAVD881TUSGSSA
2014-09-0312:33 UTCm72019266.22  1TUSGSSA
2015-09-1112:12 UTCm62610 -162.50NGVD291TUSGSSA
2015-09-1112:12 UTCm62611 -163.40NAVD881TUSGSSA
2015-09-1112:12 UTCm72019266.50  1TUSGSSA
2016-09-2214:40 UTCm62610 -162.15NGVD291TUSGSSA
2016-09-2214:40 UTCm62611 -163.05NAVD881TUSGSSA
2016-09-2214:40 UTCm72019266.15  1TUSGSSA
2017-09-2616:25 UTCm62610 -161.60NGVD291SUSGSSA
2017-09-2616:25 UTCm62611 -162.50NAVD881SUSGSSA
2017-09-2616:25 UTCm72019265.60  1SUSGSSA
2018-09-2414:40 UTCm62610 -170.60NGVD291TUSGSSA
2018-09-2414:40 UTCm62611 -171.50NAVD881TUSGSSA
2018-09-2414:40 UTCm72019274.60  1TUSGSSA
2019-09-1112:10 UTCm62610 -161.81NGVD291SUSGSSA
2019-09-1112:10 UTCm62611 -162.71NAVD881SUSGSSA
2019-09-1112:10 UTCm72019265.81  1SUSGSSA
2020-09-0211:32 UTCm62610 -157.04NGVD291VUSGSSA
2020-09-0211:32 UTCm62611 -157.94NAVD881VUSGSSA
2020-09-0211:32 UTCm72019261.04  1VUSGSSA
2021-09-1513:32 UTCm62610 -153.62NGVD291VUSGSSA
2021-09-1513:32 UTCm62611 -154.52NAVD881VUSGSSA
2021-09-1513:32 UTCm72019257.62  1VUSGSSA
2022-09-1213:11 UTCm62610 -155.81NGVD291VUSGSSA
2022-09-1213:11 UTCm62611 -156.71NAVD881VUSGSSA
2022-09-1213:11 UTCm72019259.81  1VUSGSSA
2023-09-1412:39 UTCm62610 -158.82NGVD291VUSGSSA
2023-09-1412:39 UTCm62611 -159.72NAVD881VUSGSSA
2023-09-1412:39 UTCm72019262.82  1VUSGSSA
2024-09-1212:44 UTCm62610 -148.51NGVD291VUSGSSP
2024-09-1212:44 UTCm62611 -149.41NAVD881VUSGSSP
2024-09-1212:44 UTCm72019252.51  1VUSGSSP

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
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.
Water-level approval statusPProvisional data subject to revision.