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Groundwater levels for the Nation

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USGS 381555076244801 SM Dg 10

St. Mary'S County, Maryland
Latitude  38°15'55.3", Longitude  76°24'46.9" NAD83
Land-surface elevation 22 feet above NGVD29
The depth of the well is 492 feet below land surface.
The depth of the hole is 492 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
1978-07-12 D62610 -44.21NGVD291Z  A
1978-07-12 D62611 -45.11NAVD881Z  A
1978-07-12 D7201966.21  1Z  A
1982-09-21 D62610 -57.63NGVD291Z  A
1982-09-21 D62611 -58.53NAVD881Z  A
1982-09-21 D7201979.63  1Z  A
1983-04-08 D62610 -50.21NGVD291Z  A
1983-04-08 D62611 -51.11NAVD881Z  A
1983-04-08 D7201972.21  1Z  A
1984-09-13 D62610 -57.06NGVD291Z  A
1984-09-13 D62611 -57.96NAVD881Z  A
1984-09-13 D7201979.06  1Z  A
1985-04-04 D62610 -55.07NGVD291Z  A
1985-04-04 D62611 -55.97NAVD881Z  A
1985-04-04 D7201977.07  1Z  A
1985-09-13 D62610 -57.54NGVD291Z  A
1985-09-13 D62611 -58.44NAVD881Z  A
1985-09-13 D7201979.54  1Z  A
1986-04-02 D62610 -53.80NGVD291Z  A
1986-04-02 D62611 -54.70NAVD881Z  A
1986-04-02 D7201975.80  1Z  A
1986-09-11 D62610 -60.58NGVD291Z  A
1986-09-11 D62611 -61.48NAVD881Z  A
1986-09-11 D7201982.58  1Z  A
1987-04-21 D62610 -58.31NGVD291Z  A
1987-04-21 D62611 -59.21NAVD881Z  A
1987-04-21 D7201980.31  1Z  A
1987-09-10 D62610 -67.39NGVD291Z  A
1987-09-10 D62611 -68.29NAVD881Z  A
1987-09-10 D7201989.39  1Z  A
1988-04-14 D62610 -65.42NGVD291Z  A
1988-04-14 D62611 -66.32NAVD881Z  A
1988-04-14 D7201987.42  1Z  A
1988-09-08 D62610 -73.91NGVD291Z  A
1988-09-08 D62611 -74.81NAVD881Z  A
1988-09-08 D7201995.91  1Z  A
1989-04-11 D62610 -70.11NGVD291Z  A
1989-04-11 D62611 -71.01NAVD881Z  A
1989-04-11 D7201992.11  1Z  A
1989-09-14 D62610 -72.64NGVD291Z  A
1989-09-14 D62611 -73.54NAVD881Z  A
1989-09-14 D7201994.64  1Z  A
1990-04-19 D62610 -77.12NGVD29 Z  A
1990-04-19 D62611 -78.02NAVD88 Z  A
1990-04-19 D7201999.12   Z  A
1991-04-10 D62610 -80.41NGVD291Z  A
1991-04-10 D62611 -81.31NAVD881Z  A
1991-04-10 D72019102.41  1Z  A
1991-09-06 D62610 -88.85NGVD291Z  A
1991-09-06 D62611 -89.75NAVD881Z  A
1991-09-06 D72019110.85  1Z  A
1992-04-07 D62610 -83.65NGVD291Z  A
1992-04-07 D62611 -84.55NAVD881Z  A
1992-04-07 D72019105.65  1Z  A
1993-09-29 D62610 -94.14NGVD291Z  A
1993-09-29 D62611 -95.04NAVD881Z  A
1993-09-29 D72019116.14  1Z  A
1994-05-03 D62610 -88.94NGVD291Z  A
1994-05-03 D62611 -89.84NAVD881Z  A
1994-05-03 D72019110.94  1Z  A
1996-04-26 D62610 -104.09NGVD291Z  A
1996-04-26 D62611 -104.99NAVD881Z  A
1996-04-26 D72019126.09  1Z  A
1996-09-24 D62610 -107.92NGVD291Z  A
1996-09-24 D62611 -108.82NAVD881Z  A
1996-09-24 D72019129.92  1Z  A
1997-05-14 D62610 -105.88NGVD291Z  A
1997-05-14 D62611 -106.78NAVD881Z  A
1997-05-14 D72019127.88  1Z  A
1997-09-18 D62610 -118.15NGVD291Z  A
1997-09-18 D62611 -119.05NAVD881Z  A
1997-09-18 D72019140.15  1Z  A
1997-09-23 D62610 -118.63NGVD291Z  A
1997-09-23 D62611 -119.53NAVD881Z  A
1997-09-23 D72019140.63  1Z  A
1998-09-02 D62610 -123.80NGVD291Z  A
1998-09-02 D62611 -124.70NAVD881Z  A
1998-09-02 D72019145.80  1Z  A
1999-04-14 D62610 -116.06NGVD291Z  A
1999-04-14 D62611 -116.96NAVD881Z  A
1999-04-14 D72019138.06  1Z  A
1999-08-31 D62610 -129.72NGVD291Z  A
1999-08-31 D62611 -130.62NAVD881Z  A
1999-08-31 D72019151.72  1Z  A
2000-04-20 D62610 -123.00NGVD291Z  A
2000-04-20 D62611 -123.90NAVD881Z  A
2000-04-20 D72019145.00  1Z  A
2000-09-14 D62610 -127.32NGVD291Z  A
2000-09-14 D62611 -128.22NAVD881Z  A
2000-09-14 D72019149.32  1Z  A
2001-04-24 D62610 -122.33NGVD291Z  A
2001-04-24 D62611 -123.23NAVD881Z  A
2001-04-24 D72019144.33  1Z  A
2001-09-11 D62610 -133.74NGVD291Z  A
2001-09-11 D62611 -134.64NAVD881Z  A
2001-09-11 D72019155.74  1Z  A
2002-04-23 D62610 -125.09NGVD291TUSGSSA
2002-04-23 D62611 -125.99NAVD881TUSGSSA
2002-04-23 D72019147.09  1TUSGSSA
2002-09-18 D62610 -141.39NGVD291TUSGSSA
2002-09-18 D62611 -142.29NAVD881TUSGSSA
2002-09-18 D72019163.39  1TUSGSSA
2003-09-11 D62610 -130.02NGVD291SUSGSSA
2003-09-11 D62611 -130.92NAVD881SUSGSSA
2003-09-11 D72019152.02  1SUSGSSA
2004-05-05 D62610 -108.20NGVD291SUSGSSA
2004-05-05 D62611 -109.10NAVD881SUSGSSA
2004-05-05 D72019130.20  1SUSGSSA
2004-09-29 D62610 -107.48NGVD291SUSGSSA
2004-09-29 D62611 -108.38NAVD881SUSGSSA
2004-09-29 D72019129.48  1SUSGSSA
2005-09-14 D62610 -142.25NGVD291SUSGSSA
2005-09-14 D62611 -143.15NAVD881SUSGSSA
2005-09-14 D72019164.25  1SUSGSSA
2006-09-27 D62610 -140.57NGVD291SUSGSSA
2006-09-27 D62611 -141.47NAVD881SUSGSSA
2006-09-27 D72019162.57  1SUSGSSA
2008-09-17 D62610 -137.52NGVD291SUSGSSA
2008-09-17 D62611 -138.42NAVD881SUSGSSA
2008-09-17 D72019159.52  1SUSGSSA
2009-09-25 D62610 -135.22NGVD291SUSGSSA
2009-09-25 D62611 -136.12NAVD881SUSGSSA
2009-09-25 D72019157.22  1SUSGSSA
2010-09-1417:00 UTCm62610 -140.81NGVD291SUSGSSA
2010-09-1417:00 UTCm62611 -141.71NAVD881SUSGSSA
2010-09-1417:00 UTCm72019162.81  1SUSGSSA
2011-09-2116:53 UTCm62610 -136.68NGVD291SUSGSSA
2011-09-2116:53 UTCm62611 -137.58NAVD881SUSGSSA
2011-09-2116:53 UTCm72019158.68  1SUSGSSA
2012-04-2615:30 UTCm62610 -129.45NGVD291SMD006AA
2012-04-2615:30 UTCm62611 -130.35NAVD881SMD006AA
2012-04-2615:30 UTCm72019151.45  1SMD006AA
2012-09-12 D62610 -137.60NGVD291SUSGSSA
2012-09-12 D62611 -138.50NAVD881SUSGSSA
2012-09-12 D72019159.60  1SUSGSSA
2013-09-0612:23 UTCm62610 -137.40NGVD291TUSGSSA
2013-09-0612:23 UTCm62611 -138.30NAVD881TUSGSSA
2013-09-0612:23 UTCm72019159.40  1TUSGSSA
2014-09-0413:01 UTCm62610 -138.43NGVD291TUSGSSA
2014-09-0413:01 UTCm62611 -139.33NAVD881TUSGSSA
2014-09-0413:01 UTCm72019160.43  1TUSGSSA
2015-09-1112:42 UTCm62610 -139.51NGVD291TUSGSSA
2015-09-1112:42 UTCm62611 -140.41NAVD881TUSGSSA
2015-09-1112:42 UTCm72019161.51  1TUSGSSA
2016-09-2215:05 UTCm62610 -136.70NGVD291SUSGSSA
2016-09-2215:05 UTCm62611 -137.60NAVD881SUSGSSA
2016-09-2215:05 UTCm72019158.70  1SUSGSSA
2017-09-2615:32 UTCm62610 -136.50NGVD291SUSGSSA
2017-09-2615:32 UTCm62611 -137.40NAVD881SUSGSSA
2017-09-2615:32 UTCm72019158.50  1SUSGSSA
2018-09-2415:42 UTCm62610 -136.80NGVD291SUSGSSA
2018-09-2415:42 UTCm62611 -137.70NAVD881SUSGSSA
2018-09-2415:42 UTCm72019158.80  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
StatusThe reported water-level measurement represents a static level
Status1Static
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.