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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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  • 381604076271701
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USGS 381604076271701 SM Df 61

St. Mary'S County, Maryland
Latitude  38°16'04.4", Longitude  76°27'12.7" NAD83
Land-surface elevation 108.86 feet above NGVD29
The depth of the well is 600 feet below land surface.
The depth of the hole is 600 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
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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
1964-03-03 D62610 -48.14NGVD291OUSGSSA
1964-03-03 D62611 -49.06NAVD881OUSGSSA
1964-03-03 D72019157.00  1OUSGSSA
1984-09-21 D62610 -67.91NGVD291Z  A
1984-09-21 D62611 -68.83NAVD881Z  A
1984-09-21 D72019176.77  1Z  A
1985-04-04 D62610 -69.82NGVD291Z  A
1985-04-04 D62611 -70.74NAVD881Z  A
1985-04-04 D72019178.68  1Z  A
1985-09-13 D62610 -70.93NGVD291Z  A
1985-09-13 D62611 -71.85NAVD881Z  A
1985-09-13 D72019179.79  1Z  A
1986-09-11 D62610 -77.40NGVD291Z  A
1986-09-11 D62611 -78.32NAVD881Z  A
1986-09-11 D72019186.26  1Z  A
1987-04-21 D62610 -73.43NGVD291Z  A
1987-04-21 D62611 -74.35NAVD881Z  A
1987-04-21 D72019182.29  1Z  A
1987-09-10 D62610 -86.88NGVD291Z  A
1987-09-10 D62611 -87.80NAVD881Z  A
1987-09-10 D72019195.74  1Z  A
1988-09-08 D62610 -97.76NGVD291Z  A
1988-09-08 D62611 -98.68NAVD881Z  A
1988-09-08 D72019206.62  1Z  A
1989-09-14 D62610 -95.10NGVD291Z  A
1989-09-14 D62611 -96.02NAVD881Z  A
1989-09-14 D72019203.96  1Z  A
1992-04-08 D62610 -101.50NGVD291Z  A
1992-04-08 D62611 -102.42NAVD881Z  A
1992-04-08 D72019210.36  1Z  A
1994-05-03 D62610 -105.67NGVD291Z  A
1994-05-03 D62611 -106.59NAVD881Z  A
1994-05-03 D72019214.53  1Z  A
1996-09-24 D62610 -124.41NGVD291Z  A
1996-09-24 D62611 -125.33NAVD881Z  A
1996-09-24 D72019233.27  1Z  A
1997-09-23 D62610 -133.88NGVD291Z  A
1997-09-23 D62611 -134.80NAVD881Z  A
1997-09-23 D72019242.74  1Z  A
1998-02-19 D62610 -123.14NGVD291Z  A
1998-02-19 D62611 -124.06NAVD881Z  A
1998-02-19 D72019232.00  1Z  A
1998-04-29 D62610 -123.67NGVD291Z  A
1998-04-29 D62611 -124.59NAVD881Z  A
1998-04-29 D72019232.53  1Z  A
1998-09-02 D62610 -139.94NGVD291Z  A
1998-09-02 D62611 -140.86NAVD881Z  A
1998-09-02 D72019248.80  1Z  A
1999-02-10 D62610 -124.14NGVD291Z  A
1999-02-10 D62611 -125.06NAVD881Z  A
1999-02-10 D72019233.00  1Z  A
1999-04-14 D62610 -129.10NGVD291Z  A
1999-04-14 D62611 -130.02NAVD881Z  A
1999-04-14 D72019237.96  1Z  A
1999-06-15 D62610 -142.84NGVD291Z  A
1999-06-15 D62611 -143.76NAVD881Z  A
1999-06-15 D72019251.70  1Z  A
1999-09-01 D62610 -147.87NGVD291Z  A
1999-09-01 D62611 -148.79NAVD881Z  A
1999-09-01 D72019256.73  1Z  A
1999-09-22 D62610 -144.71NGVD291Z  A
1999-09-22 D62611 -145.63NAVD881Z  A
1999-09-22 D72019253.57  1Z  A
1999-10-08 D62610 -147.00NGVD291Z  A
1999-10-08 D62611 -147.92NAVD881Z  A
1999-10-08 D72019255.86  1Z  A
1999-11-18 D62610 -138.70NGVD291Z  A
1999-11-18 D62611 -139.62NAVD881Z  A
1999-11-18 D72019247.56  1Z  A
1999-12-30 D62610 -137.66NGVD291Z  A
1999-12-30 D62611 -138.58NAVD881Z  A
1999-12-30 D72019246.52  1Z  A
2000-01-12 D62610 -140.53NGVD291Z  A
2000-01-12 D62611 -141.45NAVD881Z  A
2000-01-12 D72019249.39  1Z  A
2000-03-23 D62610 -179.02NGVD291Z  A
2000-03-23 D62611 -179.94NAVD881Z  A
2000-03-23 D72019287.88  1Z  A
2000-04-20 D62610 -140.03NGVD291Z  A
2000-04-20 D62611 -140.95NAVD881Z  A
2000-04-20 D72019248.89  1Z  A
2000-05-31 D62610 -142.64NGVD291Z  A
2000-05-31 D62611 -143.56NAVD881Z  A
2000-05-31 D72019251.50  1Z  A
2000-07-11 D62610 -143.82NGVD291Z  A
2000-07-11 D62611 -144.74NAVD881Z  A
2000-07-11 D72019252.68  1Z  A
2000-08-07 D62610 -141.86NGVD291Z  A
2000-08-07 D62611 -142.78NAVD881Z  A
2000-08-07 D72019250.72  1Z  A
2000-08-11 D62610 -141.31NGVD291Z  A
2000-08-11 D62611 -142.23NAVD881Z  A
2000-08-11 D72019250.17  1Z  A
2000-09-15 D62610 -181.19NGVD29PZ  A
2000-09-15 D62611 -182.11NAVD88PZ  A
2000-09-15 D72019290.05  PZ  A
2001-01-03 D62610 -142.34NGVD291Z  A
2001-01-03 D62611 -143.26NAVD881Z  A
2001-01-03 D72019251.20  1Z  A
2001-02-07 D62610 -141.99NGVD291Z  A
2001-02-07 D62611 -142.91NAVD881Z  A
2001-02-07 D72019250.85  1Z  A
2001-03-14 D62610 -139.84NGVD291Z  A
2001-03-14 D62611 -140.76NAVD881Z  A
2001-03-14 D72019248.70  1Z  A
2001-04-26 D62610 -140.58NGVD291Z  A
2001-04-26 D62611 -141.50NAVD881Z  A
2001-04-26 D72019249.44  1Z  A
2001-08-16 D62610 -151.78NGVD291Z  A
2001-08-16 D62611 -152.70NAVD881Z  A
2001-08-16 D72019260.64  1Z  A
2001-10-16 D62610 -149.30NGVD291Z  A
2001-10-16 D62611 -150.22NAVD881Z  A
2001-10-16 D72019258.16  1Z  A
2002-01-09 D62610 -142.39NGVD291Z  A
2002-01-09 D62611 -143.31NAVD881Z  A
2002-01-09 D72019251.25  1Z  A
2002-03-25 D62610 -136.63NGVD291Z  A
2002-03-25 D62611 -137.55NAVD881Z  A
2002-03-25 D72019245.49  1Z  A
2002-06-04 D62610 -149.56NGVD291Z  A
2002-06-04 D62611 -150.48NAVD881Z  A
2002-06-04 D72019258.42  1Z  A
2002-09-20 D62610 -154.39NGVD291Z  A
2002-09-20 D62611 -155.31NAVD881Z  A
2002-09-20 D72019263.25  1Z  A
2002-10-31 D62610 -152.47NGVD291SUSGSSA
2002-10-31 D62611 -153.39NAVD881SUSGSSA
2002-10-31 D72019261.33  1SUSGSSA
2003-03-31 D62610 -139.76NGVD291SUSGSSA
2003-03-31 D62611 -140.68NAVD881SUSGSSA
2003-03-31 D72019248.62  1SUSGSSA
2003-05-2816:20 UTCm62610 -145.24NGVD291SUSGSSA
2003-05-2816:20 UTCm62611 -146.16NAVD881SUSGSSA
2003-05-2816:20 UTCm72019254.10  1SUSGSSA
2003-06-2415:05 UTCm62610 -147.74NGVD291SUSGSSA
2003-06-2415:05 UTCm62611 -148.66NAVD881SUSGSSA
2003-06-2415:05 UTCm72019256.60  1SUSGSSA
2003-07-2413:55 UTCm62610 -148.05NGVD291SUSGSSA
2003-07-2413:55 UTCm62611 -148.97NAVD881SUSGSSA
2003-07-2413:55 UTCm72019256.91  1SUSGSSA
2003-08-2814:20 UTCm62610 -141.60NGVD291SUSGSSA
2003-08-2814:20 UTCm62611 -142.52NAVD881SUSGSSA
2003-08-2814:20 UTCm72019250.46  1SUSGSSA
2003-10-0121:30 UTCm62610 -143.56NGVD291SUSGSSA
2003-10-0121:30 UTCm62611 -144.48NAVD881SUSGSSA
2003-10-0121:30 UTCm72019252.42  1SUSGSSA
2003-11-1717:25 UTCm62610 -133.30NGVD291SUSGSSA
2003-11-1717:25 UTCm62611 -134.22NAVD881SUSGSSA
2003-11-1717:25 UTCm72019242.16  1SUSGSSA
2003-11-2417:20 UTCm62610 -137.39NGVD291SUSGSSA
2003-11-2417:20 UTCm62611 -138.31NAVD881SUSGSSA
2003-11-2417:20 UTCm72019246.25  1SUSGSSA
2003-12-2920:30 UTCm62610 -136.06NGVD291SUSGSSA
2003-12-2920:30 UTCm62611 -136.98NAVD881SUSGSSA
2003-12-2920:30 UTCm72019244.92  1SUSGSSA
2004-02-04 D62610 -134.21NGVD291SUSGSSA
2004-02-04 D62611 -135.13NAVD881SUSGSSA
2004-02-04 D72019243.07  1SUSGSSA
2004-02-24 D62610 -134.12NGVD291SUSGSSA
2004-02-24 D62611 -135.04NAVD881SUSGSSA
2004-02-24 D72019242.98  1SUSGSSA
2004-03-30 D62610 -176.55NGVD291SUSGSSA
2004-03-30 D62611 -177.47NAVD881SUSGSSA
2004-03-30 D72019285.41  1SUSGSSA
2004-06-25 D62610 -144.44NGVD291SUSGSSA
2004-06-25 D62611 -145.36NAVD881SUSGSSA
2004-06-25 D72019253.30  1SUSGSSA
2004-09-13 D62610 -147.89NGVD291SUSGSSA
2004-09-13 D62611 -148.81NAVD881SUSGSSA
2004-09-13 D72019256.75  1SUSGSSA
2005-09-15 D62610 -153.99NGVD291TUSGSSA
2005-09-15 D62611 -154.91NAVD881TUSGSSA
2005-09-15 D72019262.85  1TUSGSSA
2006-02-16 D62610 -138.86NGVD291TUSGSSA
2006-02-16 D62611 -139.78NAVD881TUSGSSA
2006-02-16 D72019247.72  1TUSGSSA
2006-04-28 D62610 -144.14NGVD291TUSGSSA
2006-04-28 D62611 -145.06NAVD881TUSGSSA
2006-04-28 D72019253.00  1TUSGSSA
2006-07-07 D62610 -149.41NGVD291TUSGSSA
2006-07-07 D62611 -150.33NAVD881TUSGSSA
2006-07-07 D72019258.27  1TUSGSSA
2006-09-27 D62610 -155.48NGVD291TUSGSSA
2006-09-27 D62611 -156.40NAVD881TUSGSSA
2006-09-27 D72019264.34  1TUSGSSA
2006-12-12 D62610 -142.54NGVD291TUSGSSA
2006-12-12 D62611 -143.46NAVD881TUSGSSA
2006-12-12 D72019251.40  1TUSGSSA
2007-12-18 D62610 -144.24NGVD291TUSGSSA
2007-12-18 D62611 -145.16NAVD881TUSGSSA
2007-12-18 D72019253.10  1TUSGSSA
2008-04-09 D62610 -134.04NGVD291TUSGSSA
2008-04-09 D62611 -134.96NAVD881TUSGSSA
2008-04-09 D72019242.90  1TUSGSSA
2008-07-09 D62610 -141.89NGVD291TUSGSSA
2008-07-09 D62611 -142.81NAVD881TUSGSSA
2008-07-09 D72019250.75  1TUSGSSA
2008-09-18 D62610 -147.09NGVD291TUSGSSA
2008-09-18 D62611 -148.01NAVD881TUSGSSA
2008-09-18 D72019255.95  1TUSGSSA
2009-04-28 D62610 -141.89NGVD291TUSGSSA
2009-04-28 D62611 -142.81NAVD881TUSGSSA
2009-04-28 D72019250.75  1TUSGSSA
2009-07-07 D62610 -143.89NGVD291TUSGSSA
2009-07-07 D62611 -144.81NAVD881TUSGSSA
2009-07-07 D72019252.75  1TUSGSSA
2009-09-23 D62610 -138.44NGVD291TUSGSSA
2009-09-23 D62611 -139.36NAVD881TUSGSSA
2009-09-23 D72019247.30  1TUSGSSA
2009-12-16 D62610 -132.24NGVD291TUSGSSA
2009-12-16 D62611 -133.16NAVD881TUSGSSA
2009-12-16 D72019241.10  1TUSGSSA
2010-04-22 D62610 -132.54NGVD291TUSGSSA
2010-04-22 D62611 -133.46NAVD881TUSGSSA
2010-04-22 D72019241.40  1TUSGSSA
2010-07-08 D62610 -158.84NGVD291TUSGSSA
2010-07-08 D62611 -159.76NAVD881TUSGSSA
2010-07-08 D72019267.70  1TUSGSSA
2010-09-1418:24 UTCm62610 -151.14NGVD291TUSGSSA
2010-09-1418:24 UTCm62611 -152.06NAVD881TUSGSSA
2010-09-1418:24 UTCm72019260.00  1TUSGSSA
2011-04-2715:23 UTCm62610 -141.41NGVD291TUSGSSA
2011-04-2715:23 UTCm62611 -142.33NAVD881TUSGSSA
2011-04-2715:23 UTCm72019250.27  1TUSGSSA
2011-07-1917:52 UTCm62610 -152.34NGVD291TUSGSSA
2011-07-1917:52 UTCm62611 -153.26NAVD881TUSGSSA
2011-07-1917:52 UTCm72019261.20  1TUSGSSA
2012-01-0613:36 UTCm62610 -137.06NGVD291TUSGSSA
2012-01-0613:36 UTCm62611 -137.98NAVD881TUSGSSA
2012-01-0613:36 UTCm72019245.92  1TUSGSSA
2012-04-2513:46 UTCm62610 -141.11NGVD291TUSGSSA
2012-04-2513:46 UTCm62611 -142.03NAVD881TUSGSSA
2012-04-2513:46 UTCm72019249.97  1TUSGSSA
2012-09-1219:28 UTCm62610 -145.71NGVD291TUSGSSA
2012-09-1219:28 UTCm62611 -146.63NAVD881TUSGSSA
2012-09-1219:28 UTCm72019254.57  1TUSGSSA
2013-04-1718:09 UTCm62610 -137.47NGVD291TUSGSSA
2013-04-1718:09 UTCm62611 -138.39NAVD881TUSGSSA
2013-04-1718:09 UTCm72019246.33  1TUSGSSA
2013-07-1616:26 UTCm62610 -143.32NGVD291TUSGSSA
2013-07-1616:26 UTCm62611 -144.24NAVD881TUSGSSA
2013-07-1616:26 UTCm72019252.18  1TUSGSSA
2013-09-0618:54 UTCm62610 -149.41NGVD291TUSGSSA
2013-09-0618:54 UTCm62611 -150.33NAVD881TUSGSSA
2013-09-0618:54 UTCm72019258.27  1TUSGSSA
2014-09-0319:38 UTCm62610 -149.32NGVD291TUSGSSA
2014-09-0319:38 UTCm62611 -150.24NAVD881TUSGSSA
2014-09-0319:38 UTCm72019258.18  1TUSGSSA
2015-09-1113:34 UTCm62610 -152.36NGVD291TUSGSSA
2015-09-1113:34 UTCm62611 -153.28NAVD881TUSGSSA
2015-09-1113:34 UTCm72019261.22  1TUSGSSA
2016-09-2218:54 UTCm62610 -149.92NGVD291SUSGSSA
2016-09-2218:54 UTCm62611 -150.84NAVD881SUSGSSA
2016-09-2218:54 UTCm72019258.78  1SUSGSSA
2017-09-2116:32 UTCm62610 -147.82NGVD291SUSGSSA
2017-09-2116:32 UTCm62611 -148.74NAVD881SUSGSSA
2017-09-2116:32 UTCm72019256.68  1SUSGSSA
2018-09-2515:58 UTCm62610 -144.99NGVD291SUSGSSA
2018-09-2515:58 UTCm62611 -145.91NAVD881SUSGSSA
2018-09-2515:58 UTCm72019253.85  1SUSGSSA
2019-09-1722:39 UTCm62610 -148.56NGVD291SUSGSSA
2019-09-1722:39 UTCm62611 -149.48NAVD881SUSGSSA
2019-09-1722:39 UTCm72019257.42  1SUSGSSA
2020-09-1416:05 UTCm62610 -143.83NGVD291SUSGSSA
2020-09-1416:05 UTCm62611 -144.75NAVD881SUSGSSA
2020-09-1416:05 UTCm72019252.69  1SUSGSSA
2021-09-0815:47 UTCm62610 -139.70NGVD291SUSGSSA
2021-09-0815:47 UTCm62611 -140.62NAVD881SUSGSSA
2021-09-0815:47 UTCm72019248.56  1SUSGSSA
2022-09-0714:39 UTCm62610 -139.82NGVD291SUSGSSA
2022-09-0714:39 UTCm62611 -140.74NAVD881SUSGSSA
2022-09-0714:39 UTCm72019248.68  1SUSGSSA
2023-09-1213:19 UTCm62610 -137.12NGVD291SUSGSSA
2023-09-1213:19 UTCm62611 -138.04NAVD881SUSGSSA
2023-09-1213:19 UTCm72019245.98  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 measurementOObserved.
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.