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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 381624076235601
Minimum number of levels = 1
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USGS 381624076235601 SM Dg 16

St. Mary'S County, Maryland
Latitude  38°16'20", Longitude  76°23'56" NAD27
Land-surface elevation 11.15 feet above NAVD88
The depth of the well is 520 feet below land surface.
The depth of the hole is 540 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
Graph of data
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
1996-11-19 D62610 -105.97NGVD291L  A
1996-11-19 D62611 -106.85NAVD881L  A
1996-11-19 D72019118.00  1L  A
1997-05-14 D62610 -101.88NGVD291Z  A
1997-05-14 D62611 -102.76NAVD881Z  A
1997-05-14 D72019113.91  1Z  A
1998-02-19 D62610 -108.08NGVD291Z  A
1998-02-19 D62611 -108.96NAVD881Z  A
1998-02-19 D72019120.11  1Z  A
1998-09-02 D62610 -125.39NGVD291Z  A
1998-09-02 D62611 -126.27NAVD881Z  A
1998-09-02 D72019137.42  1Z  A
2000-01-12 D62610 -120.86NGVD291Z  A
2000-01-12 D62611 -121.74NAVD881Z  A
2000-01-12 D72019132.89  1Z  A
2000-07-12 D62610 -127.12NGVD291Z  A
2000-07-12 D62611 -128.00NAVD881Z  A
2000-07-12 D72019139.15  1Z  A
2000-09-15 D62610 -124.42NGVD291Z  A
2000-09-15 D62611 -125.30NAVD881Z  A
2000-09-15 D72019136.45  1Z  A
2001-04-26 D62610 -124.09NGVD291Z  A
2001-04-26 D62611 -124.97NAVD881Z  A
2001-04-26 D72019136.12  1Z  A
2002-09-20 D62610 -138.45NGVD291Z  A
2002-09-20 D62611 -139.33NAVD881Z  A
2002-09-20 D72019150.48  1Z  A
2003-01-15 D62610 -130.67NGVD291SUSGSSA
2003-01-15 D62611 -131.55NAVD881SUSGSSA
2003-01-15 D72019142.70  1SUSGSSA
2003-04-2119:00 UTCm62610 -124.35NGVD291SUSGSSA
2003-04-2119:00 UTCm62611 -125.23NAVD881SUSGSSA
2003-04-2119:00 UTCm72019136.38  1SUSGSSA
2003-07-2420:25 UTCm62610 -134.51NGVD291SUSGSSA
2003-07-2420:25 UTCm62611 -135.39NAVD881SUSGSSA
2003-07-2420:25 UTCm72019146.54  1SUSGSSA
2003-10-0219:50 UTCm62610 -130.37NGVD291SUSGSSA
2003-10-0219:50 UTCm62611 -131.25NAVD881SUSGSSA
2003-10-0219:50 UTCm72019142.40  1SUSGSSA
2004-02-24 D62610 -167.69NGVD291SUSGSSA
2004-02-24 D62611 -168.57NAVD881SUSGSSA
2004-02-24 D72019179.72  1SUSGSSA
2004-09-13 D62610 -125.63NGVD291SUSGSSA
2004-09-13 D62611 -126.51NAVD881SUSGSSA
2004-09-13 D72019137.66  1SUSGSSA
2005-09-14 D62610 -137.94NGVD291SUSGSSA
2005-09-14 D62611 -138.82NAVD881SUSGSSA
2005-09-14 D72019149.97  1SUSGSSA
2006-02-16 D62610 -129.08NGVD291SUSGSSA
2006-02-16 D62611 -129.96NAVD881SUSGSSA
2006-02-16 D72019141.11  1SUSGSSA
2006-12-12 D62610 -129.92NGVD291SUSGSSA
2006-12-12 D62611 -130.80NAVD881SUSGSSA
2006-12-12 D72019141.95  1SUSGSSA
2007-04-18 D62610 -124.12NGVD291SUSGSSA
2007-04-18 D62611 -125.00NAVD881SUSGSSA
2007-04-18 D72019136.15  1SUSGSSA
2007-07-03 D62610 -133.82NGVD291SUSGSSA
2007-07-03 D62611 -134.70NAVD881SUSGSSA
2007-07-03 D72019145.85  1SUSGSSA
2007-12-18 D62610 -132.61NGVD291SUSGSSA
2007-12-18 D62611 -133.49NAVD881SUSGSSA
2007-12-18 D72019144.64  1SUSGSSA
2008-04-09 D62610 -126.43NGVD291SUSGSSA
2008-04-09 D62611 -127.31NAVD881SUSGSSA
2008-04-09 D72019138.46  1SUSGSSA
2009-12-16 D62610 -127.89NGVD291SUSGSSA
2009-12-16 D62611 -128.77NAVD881SUSGSSA
2009-12-16 D72019139.92  1SUSGSSA
2012-01-0617:05 UTCm62610 -127.62NGVD291SUSGSSA
2012-01-0617:05 UTCm62611 -128.50NAVD881SUSGSSA
2012-01-0617:05 UTCm72019139.65  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 measurementLInterpreted from geophysical logs.
Method of measurementSSteel-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.