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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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  • 381617076263201
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USGS 381617076263201 SM Df 95

St. Mary'S County, Maryland
Latitude  38°16'17.2", Longitude  76°26'31.2" NAD83
Land-surface elevation 80 feet above NGVD29
The depth of the well is 582 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 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
1994-04-24 D62610 -118.00NGVD291L  A
1994-04-24 D62611 -118.90NAVD881L  A
1994-04-24 D72019198.00  1L  A
1996-02-22 D62610 -105.97NGVD291Z  A
1996-02-22 D62611 -106.87NAVD881Z  A
1996-02-22 D72019185.97  1Z  A
1996-04-30 D62610 -110.86NGVD291Z  A
1996-04-30 D62611 -111.76NAVD881Z  A
1996-04-30 D72019190.86  1Z  A
1997-05-14 D62610 -114.97NGVD291Z  A
1997-05-14 D62611 -115.87NAVD881Z  A
1997-05-14 D72019194.97  1Z  A
1997-09-19 D62610 -127.90NGVD291Z  A
1997-09-19 D62611 -128.80NAVD881Z  A
1997-09-19 D72019207.90  1Z  A
1998-02-19 D62610 -117.50NGVD291Z  A
1998-02-19 D62611 -118.40NAVD881Z  A
1998-02-19 D72019197.50  1Z  A
1998-04-28 D62610 -126.75NGVD291Z  A
1998-04-28 D62611 -127.65NAVD881Z  A
1998-04-28 D72019206.75  1Z  A
1999-02-10 D62610 -123.48NGVD291Z  A
1999-02-10 D62611 -124.38NAVD881Z  A
1999-02-10 D72019203.48  1Z  A
1999-06-15 D62610 -138.59NGVD291Z  A
1999-06-15 D62611 -139.49NAVD881Z  A
1999-06-15 D72019218.59  1Z  A
2000-01-12 D62610 -133.58NGVD291Z  A
2000-01-12 D62611 -134.48NAVD881Z  A
2000-01-12 D72019213.58  1Z  A
2000-04-20 D62610 -134.35NGVD291Z  A
2000-04-20 D62611 -135.25NAVD881Z  A
2000-04-20 D72019214.35  1Z  A
2000-07-12 D62610 -137.46NGVD291Z  A
2000-07-12 D62611 -138.36NAVD881Z  A
2000-07-12 D72019217.46  1Z  A
2001-07-12 D62610 -143.02NGVD291Z  A
2001-07-12 D62611 -143.92NAVD881Z  A
2001-07-12 D72019223.02  1Z  A
2001-09-14 D62610 -150.55NGVD291Z  A
2001-09-14 D62611 -151.45NAVD881Z  A
2001-09-14 D72019230.55  1Z  A
2002-01-09 D62610 -135.74NGVD291Z  A
2002-01-09 D62611 -136.64NAVD881Z  A
2002-01-09 D72019215.74  1Z  A
2002-04-24 D62610 -145.04NGVD291Z  A
2002-04-24 D62611 -145.94NAVD881Z  A
2002-04-24 D72019225.04  1Z  A
2002-09-20 D62610 -150.65NGVD291Z  A
2002-09-20 D62611 -151.55NAVD881Z  A
2002-09-20 D72019230.65  1Z  A
2003-01-15 D62610 -147.34NGVD291SUSGSSA
2003-01-15 D62611 -148.24NAVD881SUSGSSA
2003-01-15 D72019227.34  1SUSGSSA
2003-04-2213:00 UTCm62610 -139.59NGVD291SUSGSSA
2003-04-2213:00 UTCm62611 -140.49NAVD881SUSGSSA
2003-04-2213:00 UTCm72019219.59  1SUSGSSA
2003-07-2318:45 UTCm62610 -143.00NGVD291SUSGSSA
2003-07-2318:45 UTCm62611 -143.90NAVD881SUSGSSA
2003-07-2318:45 UTCm72019223.00  1SUSGSSA
2003-10-0217:20 UTCm62610 -138.92NGVD291SUSGSSA
2003-10-0217:20 UTCm62611 -139.82NAVD881SUSGSSA
2003-10-0217:20 UTCm72019218.92  1SUSGSSA
2004-09-13 D62610 -141.04NGVD291SUSGSSA
2004-09-13 D62611 -141.94NAVD881SUSGSSA
2004-09-13 D72019221.04  1SUSGSSA
2005-09-14 D62610 -149.80NGVD291SUSGSSA
2005-09-14 D62611 -150.70NAVD881SUSGSSA
2005-09-14 D72019229.80  1SUSGSSA
2006-02-16 D62610 -137.57NGVD291SUSGSSA
2006-02-16 D62611 -138.47NAVD881SUSGSSA
2006-02-16 D72019217.57  1SUSGSSA
2006-09-27 D62610 -151.22NGVD291SUSGSSA
2006-09-27 D62611 -152.12NAVD881SUSGSSA
2006-09-27 D72019231.22  1SUSGSSA
2006-12-12 D62610 -139.59NGVD291SUSGSSA
2006-12-12 D62611 -140.49NAVD881SUSGSSA
2006-12-12 D72019219.59  1SUSGSSA
2007-04-18 D62610 -134.99NGVD291SUSGSSA
2007-04-18 D62611 -135.89NAVD881SUSGSSA
2007-04-18 D72019214.99  1SUSGSSA
2007-09-19 D62610 -147.66NGVD291SUSGSSA
2007-09-19 D62611 -148.56NAVD881SUSGSSA
2007-09-19 D72019227.66  1SUSGSSA
2008-04-09 D62610 -131.73NGVD291SUSGSSA
2008-04-09 D62611 -132.63NAVD881SUSGSSA
2008-04-09 D72019211.73  1SUSGSSA
2008-07-09 D62610 -136.42NGVD291SUSGSSA
2008-07-09 D62611 -137.32NAVD881SUSGSSA
2008-07-09 D72019216.42  1SUSGSSA
2008-09-18 D62610 -144.58NGVD291SUSGSSA
2008-09-18 D62611 -145.48NAVD881SUSGSSA
2008-09-18 D72019224.58  1SUSGSSA
2009-01-22 D62610 -135.78NGVD291SUSGSSA
2009-01-22 D62611 -136.68NAVD881SUSGSSA
2009-01-22 D72019215.78  1SUSGSSA
2009-04-28 D62610 -136.95NGVD291SUSGSSA
2009-04-28 D62611 -137.85NAVD881SUSGSSA
2009-04-28 D72019216.95  1SUSGSSA
2009-07-07 D62610 -141.71NGVD291SUSGSSA
2009-07-07 D62611 -142.61NAVD881SUSGSSA
2009-07-07 D72019221.71  1SUSGSSA
2009-09-23 D62610 -141.74NGVD29PSUSGSSA
2009-09-23 D62611 -142.64NAVD88PSUSGSSA
2009-09-23 D72019221.74  PSUSGSSA
2009-12-16 D62610 -135.05NGVD291SUSGSSA
2009-12-16 D62611 -135.95NAVD881SUSGSSA
2009-12-16 D72019215.05  1SUSGSSA
2010-07-08 D62610 -148.96NGVD291SUSGSSA
2010-07-08 D62611 -149.86NAVD881SUSGSSA
2010-07-08 D72019228.96  1SUSGSSA
2010-09-1415:20 UTCm62610 -147.16NGVD291SUSGSSA
2010-09-1415:20 UTCm62611 -148.06NAVD881SUSGSSA
2010-09-1415:20 UTCm72019227.16  1SUSGSSA
2011-01-1415:13 UTCm62610 -134.89NGVD291SUSGSSA
2011-01-1415:13 UTCm62611 -135.79NAVD881SUSGSSA
2011-01-1415:13 UTCm72019214.89  1SUSGSSA
2011-04-2712:50 UTCm62610 -136.06NGVD291SUSGSSA
2011-04-2712:50 UTCm62611 -136.96NAVD881SUSGSSA
2011-04-2712:50 UTCm72019216.06  1SUSGSSA
2011-09-2117:00 UTCm62610 -142.91NGVD291SUSGSSA
2011-09-2117:00 UTCm62611 -143.81NAVD881SUSGSSA
2011-09-2117:00 UTCm72019222.91  1SUSGSSA
2012-01-0613:40 UTCm62610 -137.08NGVD29PSUSGSSA
2012-01-0613:40 UTCm62611 -137.98NAVD88PSUSGSSA
2012-01-0613:40 UTCm72019217.08  PSUSGSSA
2013-04-1715:03 UTCm62610 -132.39NGVD291SUSGSSA
2013-04-1715:03 UTCm62611 -133.29NAVD881SUSGSSA
2013-04-1715:03 UTCm72019212.39  1SUSGSSA
2013-07-1612:07 UTCm62610 -138.64NGVD291TUSGSSA
2013-07-1612:07 UTCm62611 -139.54NAVD881TUSGSSA
2013-07-1612:07 UTCm72019218.64  1TUSGSSA
2013-09-0615:37 UTCm62610 -143.61NGVD291TUSGSSA
2013-09-0615:37 UTCm62611 -144.51NAVD881TUSGSSA
2013-09-0615:37 UTCm72019223.61  1TUSGSSA
2014-09-0316:54 UTCm62610 -150.39NGVD29PTUSGSSA
2014-09-0316:54 UTCm62611 -151.29NAVD88PTUSGSSA
2014-09-0316:54 UTCm72019230.39  PTUSGSSA
2015-09-1017:12 UTCm62610 -147.27NGVD291TUSGSSA
2015-09-1017:12 UTCm62611 -148.17NAVD881TUSGSSA
2015-09-1017:12 UTCm72019227.27  1TUSGSSA
2016-09-2219:34 UTCm62610 -145.45NGVD291SUSGSSA
2016-09-2219:34 UTCm62611 -146.35NAVD881SUSGSSA
2016-09-2219:34 UTCm72019225.45  1SUSGSSA
2017-09-2117:35 UTCm62610 -142.43NGVD291SUSGSSA
2017-09-2117:35 UTCm62611 -143.33NAVD881SUSGSSA
2017-09-2117:35 UTCm72019222.43  1SUSGSSA
2018-09-2615:35 UTCm62610 -140.77NGVD291SUSGSSA
2018-09-2615:35 UTCm62611 -141.67NAVD881SUSGSSA
2018-09-2615:35 UTCm72019220.77  1SUSGSSA
2019-09-1718:45 UTCm62610 -152.59NGVD291SUSGSSA
2019-09-1718:45 UTCm62611 -153.49NAVD881SUSGSSA
2019-09-1718:45 UTCm72019232.59  1SUSGSSA
2020-09-1417:34 UTCm62610 -139.59NGVD291SUSGSSA
2020-09-1417:34 UTCm62611 -140.49NAVD881SUSGSSA
2020-09-1417:34 UTCm72019219.59  1SUSGSSA
2021-09-0816:40 UTCm62610 -136.88NGVD291SUSGSSA
2021-09-0816:40 UTCm62611 -137.78NAVD881SUSGSSA
2021-09-0816:40 UTCm72019216.88  1SUSGSSA
2022-09-0715:18 UTCm62610 -137.63NGVD291SUSGSSA
2022-09-0715:18 UTCm62611 -138.53NAVD881SUSGSSA
2022-09-0715:18 UTCm72019217.63  1SUSGSSA
2023-09-1214:09 UTCm62610 -138.76NGVD291SUSGSSA
2023-09-1214:09 UTCm62611 -139.66NAVD881SUSGSSA
2023-09-1214:09 UTCm72019218.76  1SUSGSSA
2024-09-1013:37 UTCm62610 -130.75NGVD291SUSGSSP
2024-09-1013:37 UTCm62611 -131.65NAVD881SUSGSSP
2024-09-1013:37 UTCm72019210.75  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 measurementLInterpreted from geophysical logs.
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.