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Groundwater levels for the Nation

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  • 382235076435801
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USGS 382235076435801 SM Cc 8

St. Mary'S County, Maryland
Latitude  38°22'38.0", Longitude  76°43'56.9" NAD83
Land-surface elevation 128.85 feet above NGVD29
The depth of the well is 455 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
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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
1963-04-30 D62610 40.85NGVD291SUSGSSA
1963-04-30 D62611 39.99NAVD881SUSGSSA
1963-04-30 D7201988.00  1SUSGSSA
1985-04-02 D62610 -10.18NGVD291Z  A
1985-04-02 D62611 -11.04NAVD881Z  A
1985-04-02 D72019139.03  1Z  A
1985-09-13 D62610 -12.88NGVD291Z  A
1985-09-13 D62611 -13.74NAVD881Z  A
1985-09-13 D72019141.73  1Z  A
1986-04-02 D62610 -12.07NGVD291Z  A
1986-04-02 D62611 -12.93NAVD881Z  A
1986-04-02 D72019140.92  1Z  A
1986-09-11 D62610 -15.00NGVD291Z  A
1986-09-11 D62611 -15.86NAVD881Z  A
1986-09-11 D72019143.85  1Z  A
1987-04-21 D62610 -14.16NGVD291Z  A
1987-04-21 D62611 -15.02NAVD881Z  A
1987-04-21 D72019143.01  1Z  A
1987-09-10 D62610 -17.61NGVD291Z  A
1987-09-10 D62611 -18.47NAVD881Z  A
1987-09-10 D72019146.46  1Z  A
1988-04-14 D62610 -16.95NGVD291Z  A
1988-04-14 D62611 -17.81NAVD881Z  A
1988-04-14 D72019145.80  1Z  A
1988-09-21 D62610 -20.74NGVD291Z  A
1988-09-21 D62611 -21.60NAVD881Z  A
1988-09-21 D72019149.59  1Z  A
1989-04-13 D62610 -19.76NGVD291Z  A
1989-04-13 D62611 -20.62NAVD881Z  A
1989-04-13 D72019148.61  1Z  A
1990-04-18 D62610 -21.21NGVD291Z  A
1990-04-18 D62611 -22.07NAVD881Z  A
1990-04-18 D72019150.06  1Z  A
1990-09-10 D62610 -23.96NGVD291Z  A
1990-09-10 D62611 -24.82NAVD881Z  A
1990-09-10 D72019152.81  1Z  A
1991-04-09 D62610 -23.36NGVD291Z  A
1991-04-09 D62611 -24.22NAVD881Z  A
1991-04-09 D72019152.21  1Z  A
1991-09-05 D62610 -27.47NGVD291Z  A
1991-09-05 D62611 -28.33NAVD881Z  A
1991-09-05 D72019156.32  1Z  A
1992-04-07 D62610 -26.30NGVD291Z  A
1992-04-07 D62611 -27.16NAVD881Z  A
1992-04-07 D72019155.15  1Z  A
1992-09-18 D62610 -28.34NGVD291Z  A
1992-09-18 D62611 -29.20NAVD881Z  A
1992-09-18 D72019157.19  1Z  A
1993-04-28 D62610 -29.10NGVD291Z  A
1993-04-28 D62611 -29.96NAVD881Z  A
1993-04-28 D72019157.95  1Z  A
1993-09-30 D62610 -33.33NGVD29PZ  A
1993-09-30 D62611 -34.19NAVD88PZ  A
1993-09-30 D72019162.18  PZ  A
1994-05-06 D62610 -31.66NGVD291Z  A
1994-05-06 D62611 -32.52NAVD881Z  A
1994-05-06 D72019160.51  1Z  A
1994-09-09 D62610 -34.26NGVD291Z  A
1994-09-09 D62611 -35.12NAVD881Z  A
1994-09-09 D72019163.11  1Z  A
1995-10-04 D62610 -39.03NGVD291Z  A
1995-10-04 D62611 -39.89NAVD881Z  A
1995-10-04 D72019167.88  1Z  A
1996-04-25 D62610 -37.61NGVD291Z  A
1996-04-25 D62611 -38.47NAVD881Z  A
1996-04-25 D72019166.46  1Z  A
1996-09-24 D62610 -39.49NGVD291Z  A
1996-09-24 D62611 -40.35NAVD881Z  A
1996-09-24 D72019168.34  1Z  A
1997-09-23 D62610 -43.51NGVD291Z  A
1997-09-23 D62611 -44.37NAVD881Z  A
1997-09-23 D72019172.36  1Z  A
1998-10-02 D62610 -48.49NGVD291Z  A
1998-10-02 D62611 -49.35NAVD881Z  A
1998-10-02 D72019177.34  1Z  A
1999-04-14 D62610 -46.07NGVD291Z  A
1999-04-14 D62611 -46.93NAVD881Z  A
1999-04-14 D72019174.92  1Z  A
1999-08-30 D62610 -51.00NGVD291Z  A
1999-08-30 D62611 -51.86NAVD881Z  A
1999-08-30 D72019179.85  1Z  A
2000-04-19 D62610 -48.85NGVD291Z  A
2000-04-19 D62611 -49.71NAVD881Z  A
2000-04-19 D72019177.70  1Z  A
2000-09-13 D62610 -50.25NGVD291Z  A
2000-09-13 D62611 -51.11NAVD881Z  A
2000-09-13 D72019179.10  1Z  A
2001-04-24 D62610 -49.84NGVD291Z  A
2001-04-24 D62611 -50.70NAVD881Z  A
2001-04-24 D72019178.69  1Z  A
2001-09-12 D62610 -52.40NGVD291Z  A
2001-09-12 D62611 -53.26NAVD881Z  A
2001-09-12 D72019181.25  1Z  A
2002-09-17 D62610 -58.25NGVD291TUSGSSA
2002-09-17 D62611 -59.11NAVD881TUSGSSA
2002-09-17 D72019187.10  1TUSGSSA
2003-05-06 D62610 -55.92NGVD291SUSGSSA
2003-05-06 D62611 -56.78NAVD881SUSGSSA
2003-05-06 D72019184.77  1SUSGSSA
2003-09-10 D62610 -57.28NGVD291SUSGSSA
2003-09-10 D62611 -58.14NAVD881SUSGSSA
2003-09-10 D72019186.13  1SUSGSSA
2004-05-06 D62610 -56.06NGVD291SUSGSSA
2004-05-06 D62611 -56.92NAVD881SUSGSSA
2004-05-06 D72019184.91  1SUSGSSA
2004-09-30 D62610 -58.85NGVD291SUSGSSA
2004-09-30 D62611 -59.71NAVD881SUSGSSA
2004-09-30 D72019187.70  1SUSGSSA
2005-10-05 D62610 -63.00NGVD291SUSGSSA
2005-10-05 D62611 -63.86NAVD881SUSGSSA
2005-10-05 D72019191.85  1SUSGSSA
2006-09-28 D62610 -63.23NGVD291SUSGSSA
2006-09-28 D62611 -64.09NAVD881SUSGSSA
2006-09-28 D72019192.08  1SUSGSSA
2007-09-18 D62610 -68.90NGVD291SUSGSSA
2007-09-18 D62611 -69.76NAVD881SUSGSSA
2007-09-18 D72019197.75  1SUSGSSA
2008-09-1116:23 UTCm62610 -66.59NGVD291SUSGSSA
2008-09-1116:23 UTCm62611 -67.45NAVD881SUSGSSA
2008-09-1116:23 UTCm72019195.44  1SUSGSSA
2009-09-22 D62610 -69.55NGVD291SUSGSSA
2009-09-22 D62611 -70.41NAVD881SUSGSSA
2009-09-22 D72019198.40  1SUSGSSA
2010-09-22 D62610 -69.47NGVD291TUSGSSA
2010-09-22 D62611 -70.33NAVD881TUSGSSA
2010-09-22 D72019198.32  1TUSGSSA
2011-09-2819:27 UTCm62610 -69.87NGVD291SUSGSSA
2011-09-2819:27 UTCm62611 -70.73NAVD881SUSGSSA
2011-09-2819:27 UTCm72019198.72  1SUSGSSA
2012-04-2714:57 UTCm62610 -65.69NGVD291SUSGSSA
2012-04-2714:57 UTCm62611 -66.55NAVD881SUSGSSA
2012-04-2714:57 UTCm72019194.54  1SUSGSSA
2012-09-1717:20 UTCm62610 -70.59NGVD29PSUSGSSA
2012-09-1717:20 UTCm62611 -71.45NAVD88PSUSGSSA
2012-09-1717:20 UTCm72019199.44  PSUSGSSA
2013-04-2916:17 UTCm62610 -65.94NGVD291SUSGSSA
2013-04-2916:17 UTCm62611 -66.80NAVD881SUSGSSA
2013-04-2916:17 UTCm72019194.79  1SUSGSSA
2013-09-1812:24 UTCm62610 -67.75NGVD291SUSGSSA
2013-09-1812:24 UTCm62611 -68.61NAVD881SUSGSSA
2013-09-1812:24 UTCm72019196.60  1SUSGSSA
2014-09-0219:29 UTCm62610 -68.20NGVD291SUSGSSA
2014-09-0219:29 UTCm62611 -69.06NAVD881SUSGSSA
2014-09-0219:29 UTCm72019197.05  1SUSGSSA
2015-09-1515:47 UTCm62610 -69.20NGVD291SUSGSSA
2015-09-1515:47 UTCm62611 -70.06NAVD881SUSGSSA
2015-09-1515:47 UTCm72019198.05  1SUSGSSA
2016-10-1115:35 UTCm62610 -69.83NGVD291SUSGSSA
2016-10-1115:35 UTCm62611 -70.69NAVD881SUSGSSA
2016-10-1115:35 UTCm72019198.68  1SUSGSSA
2017-09-2016:05 UTCm62610 -68.87NGVD291SUSGSSA
2017-09-2016:05 UTCm62611 -69.73NAVD881SUSGSSA
2017-09-2016:05 UTCm72019197.72  1SUSGSSA
2018-09-1319:45 UTCm62610 -69.03NGVD291SUSGSSA
2018-09-1319:45 UTCm62611 -69.89NAVD881SUSGSSA
2018-09-1319:45 UTCm72019197.88  1SUSGSSA
2019-09-2618:36 UTCm62610 -70.88NGVD291SUSGSSA
2019-09-2618:36 UTCm62611 -71.74NAVD881SUSGSSA
2019-09-2618:36 UTCm72019199.73  1SUSGSSA
2020-09-0318:21 UTCm62610 -69.79NGVD291SUSGSSA
2020-09-0318:21 UTCm62611 -70.65NAVD881SUSGSSA
2020-09-0318:21 UTCm72019198.64  1SUSGSSA
2021-09-1516:02 UTCm62610 -69.81NGVD291SUSGSSA
2021-09-1516:02 UTCm62611 -70.67NAVD881SUSGSSA
2021-09-1516:02 UTCm72019198.66  1SUSGSSA
2022-09-1215:13 UTCm62610 -73.21NGVD291BUSGSSA
2022-09-1215:13 UTCm62611 -74.07NAVD881BUSGSSA
2022-09-1215:13 UTCm72019202.06  1BUSGSSA
2023-09-1317:44 UTCm62610 -72.02NGVD291SUSGSSA
2023-09-1317:44 UTCm62611 -72.88NAVD881SUSGSSA
2023-09-1317:44 UTCm72019200.87  1SUSGSSA
2024-09-1912:56 UTCm62610 -72.23NGVD291SUSGSSP
2024-09-1912:56 UTCm62611 -73.09NAVD881SUSGSSP
2024-09-1912:56 UTCm72019201.08  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 measurementBAnalog or graphic recorder.
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.