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Groundwater levels for the Nation

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Agency code = usgs
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  • 381654076394502
Minimum number of levels = 1
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USGS 381654076394502 SM Dd 68

St. Mary'S County, Maryland
Latitude  38°16'54", Longitude  76°39'45" NAD27
Land-surface elevation 125 feet above NGVD29
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
1996-09-25 D62610 -49.65NGVD291Z  A
1996-09-25 D62611 -50.63NAVD881Z  A
1996-09-25 D72019174.65  1Z  A
1997-04-15 D62610 -49.01NGVD291Z  A
1997-04-15 D62611 -49.99NAVD881Z  A
1997-04-15 D72019174.01  1Z  A
1997-09-17 D62610 -53.69NGVD291Z  A
1997-09-17 D62611 -54.67NAVD881Z  A
1997-09-17 D72019178.69  1Z  A
1998-09-23 D62610 -61.34NGVD291Z  A
1998-09-23 D62611 -62.32NAVD881Z  A
1998-09-23 D72019186.34  1Z  A
1999-04-15 D62610 -56.26NGVD291Z  A
1999-04-15 D62611 -57.24NAVD881Z  A
1999-04-15 D72019181.26  1Z  A
1999-08-30 D62610 -61.81NGVD291Z  A
1999-08-30 D62611 -62.79NAVD881Z  A
1999-08-30 D72019186.81  1Z  A
2000-04-19 D62610 -57.07NGVD291Z  A
2000-04-19 D62611 -58.05NAVD881Z  A
2000-04-19 D72019182.07  1Z  A
2000-09-13 D62610 -59.31NGVD291Z  A
2000-09-13 D62611 -60.29NAVD881Z  A
2000-09-13 D72019184.31  1Z  A
2001-04-24 D62610 -60.56NGVD291Z  A
2001-04-24 D62611 -61.54NAVD881Z  A
2001-04-24 D72019185.56  1Z  A
2001-09-12 D62610 -66.79NGVD291Z  A
2001-09-12 D62611 -67.77NAVD881Z  A
2001-09-12 D72019191.79  1Z  A
2002-04-23 D62610 -61.12NGVD291TUSGSSA
2002-04-23 D62611 -62.10NAVD881TUSGSSA
2002-04-23 D72019186.12  1TUSGSSA
2002-09-17 D62610 -69.98NGVD291TUSGSSA
2002-09-17 D62611 -70.96NAVD881TUSGSSA
2002-09-17 D72019194.98  1TUSGSSA
2003-05-05 D62610 -65.72NGVD291SUSGSSA
2003-05-05 D62611 -66.70NAVD881SUSGSSA
2003-05-05 D72019190.72  1SUSGSSA
2003-09-11 D62610 -66.22NGVD291SUSGSSA
2003-09-11 D62611 -67.20NAVD881SUSGSSA
2003-09-11 D72019191.22  1SUSGSSA
2004-05-06 D62610 -67.48NGVD291SUSGSSA
2004-05-06 D62611 -68.46NAVD881SUSGSSA
2004-05-06 D72019192.48  1SUSGSSA
2004-09-30 D62610 -68.97NGVD291SUSGSSA
2004-09-30 D62611 -69.95NAVD881SUSGSSA
2004-09-30 D72019193.97  1SUSGSSA
2005-10-05 D62610 -75.29NGVD291SUSGSSA
2005-10-05 D62611 -76.27NAVD881SUSGSSA
2005-10-05 D72019200.29  1SUSGSSA
2006-10-05 D62610 -74.10NGVD291SUSGSSA
2006-10-05 D62611 -75.08NAVD881SUSGSSA
2006-10-05 D72019199.10  1SUSGSSA
2007-09-18 D62610 -67.30NGVD291SUSGSSA
2007-09-18 D62611 -68.28NAVD881SUSGSSA
2007-09-18 D72019192.30  1SUSGSSA
2008-09-1618:40 UTCm62610 -65.93NGVD291SUSGSSA
2008-09-1618:40 UTCm62611 -66.91NAVD881SUSGSSA
2008-09-1618:40 UTCm72019190.93  1SUSGSSA
2009-09-25 D62610 -65.35NGVD291SUSGSSA
2009-09-25 D62611 -66.33NAVD881SUSGSSA
2009-09-25 D72019190.35  1SUSGSSA
2010-09-15 D62610 -68.08NGVD291SUSGSSA
2010-09-15 D62611 -69.06NAVD881SUSGSSA
2010-09-15 D72019193.08  1SUSGSSA
2011-09-3019:34 UTCm62610 -65.10NGVD291SUSGSSA
2011-09-3019:34 UTCm62611 -66.08NAVD881SUSGSSA
2011-09-3019:34 UTCm72019190.10  1SUSGSSA
2012-04-2715:00 UTCm62610 -65.18NGVD291SUSGSSA
2012-04-2715:00 UTCm62611 -66.16NAVD881SUSGSSA
2012-04-2715:00 UTCm72019190.18  1SUSGSSA
2013-09-1718:30 UTCm62610 -69.18NGVD291SUSGSSA
2013-09-1718:30 UTCm62611 -70.16NAVD881SUSGSSA
2013-09-1718:30 UTCm72019194.18  1SUSGSSA
2014-09-17 D62610 -69.75NGVD291SUSGSSA
2014-09-17 D62611 -70.73NAVD881SUSGSSA
2014-09-17 D72019194.75  1SUSGSSA
2015-09-1421:05 UTCm62610 -70.70NGVD291SUSGSSA
2015-09-1421:05 UTCm62611 -71.68NAVD881SUSGSSA
2015-09-1421:05 UTCm72019195.70  1SUSGSSA
2016-09-2119:30 UTCm62610 -72.98NGVD291SUSGSSA
2016-09-2119:30 UTCm62611 -73.96NAVD881SUSGSSA
2016-09-2119:30 UTCm72019197.98  1SUSGSSA
2017-09-2620:35 UTCm62610 -71.69NGVD291TUSGSSA
2017-09-2620:35 UTCm62611 -72.67NAVD881TUSGSSA
2017-09-2620:35 UTCm72019196.69  1TUSGSSA
2018-09-1317:21 UTCm62610 -71.10NGVD291SUSGSSA
2018-09-1317:21 UTCm62611 -72.08NAVD881SUSGSSA
2018-09-1317:21 UTCm72019196.10  1SUSGSSA
2019-09-1017:03 UTCm62610 -73.94NGVD291SUSGSSA
2019-09-1017:03 UTCm62611 -74.92NAVD881SUSGSSA
2019-09-1017:03 UTCm72019198.94  1SUSGSSA
2020-09-0316:14 UTCm62610 -71.19NGVD291SUSGSSA
2020-09-0316:14 UTCm62611 -72.17NAVD881SUSGSSA
2020-09-0316:14 UTCm72019196.19  1SUSGSSA
2021-09-1417:23 UTCm62610 -73.08NGVD291SUSGSSA
2021-09-1417:23 UTCm62611 -74.06NAVD881SUSGSSA
2021-09-1417:23 UTCm72019198.08  1SUSGSSA
2022-09-0614:01 UTCm62610 -73.08NGVD291SUSGSSA
2022-09-0614:01 UTCm62611 -74.06NAVD881SUSGSSA
2022-09-0614:01 UTCm72019198.08  1SUSGSSA
2023-09-1315:34 UTCm62610 -78.69NGVD291SUSGSSA
2023-09-1315:34 UTCm62611 -79.67NAVD881SUSGSSA
2023-09-1315:34 UTCm72019203.69  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
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.