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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 381634076270501
Minimum number of levels = 1
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USGS 381634076270501 SM Df 98

St. Mary'S County, Maryland
Latitude  38°16'34.7", Longitude  76°27'03.0" NAD83
Land-surface elevation 80.46 feet above NGVD29
The depth of the well is 575 feet below land surface.
The depth of the hole is 597 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
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
1998-02-19 D62610 -183.19NGVD291Z  A
1998-02-19 D62611 -184.07NAVD881Z  A
1998-02-19 D72019263.65  1Z  A
1998-09-02 D62610 -143.90NGVD291Z  A
1998-09-02 D62611 -144.78NAVD881Z  A
1998-09-02 D72019224.36  1Z  A
1999-04-14 D62610 -133.45NGVD291Z  A
1999-04-14 D62611 -134.33NAVD881Z  A
1999-04-14 D72019213.91  1Z  A
1999-09-01 D62610 -151.73NGVD291Z  A
1999-09-01 D62611 -152.61NAVD881Z  A
1999-09-01 D72019232.19  1Z  A
2000-01-12 D62610 -147.34NGVD291Z  A
2000-01-12 D62611 -148.22NAVD881Z  A
2000-01-12 D72019227.80  1Z  A
2000-09-15 D62610 -147.95NGVD291Z  A
2000-09-15 D62611 -148.83NAVD881Z  A
2000-09-15 D72019228.41  1Z  A
2001-01-03 D62610 -141.19NGVD291Z  A
2001-01-03 D62611 -142.07NAVD881Z  A
2001-01-03 D72019221.65  1Z  A
2001-04-26 D62610 -143.31NGVD291Z  A
2001-04-26 D62611 -144.19NAVD881Z  A
2001-04-26 D72019223.77  1Z  A
2001-07-12 D62610 -151.90NGVD291Z  A
2001-07-12 D62611 -152.78NAVD881Z  A
2001-07-12 D72019232.36  1Z  A
2001-09-14 D62610 -154.91NGVD291Z  A
2001-09-14 D62611 -155.79NAVD881Z  A
2001-09-14 D72019235.37  1Z  A
2002-04-24 D62610 -142.87NGVD291Z  A
2002-04-24 D62611 -143.75NAVD881Z  A
2002-04-24 D72019223.33  1Z  A
2002-08-01 D62610 -163.60NGVD291Z  A
2002-08-01 D62611 -164.48NAVD881Z  A
2002-08-01 D72019244.06  1Z  A
2003-04-2116:30 UTCm62610 -147.04NGVD291SUSGSSA
2003-04-2116:30 UTCm62611 -147.92NAVD881SUSGSSA
2003-04-2116:30 UTCm72019227.50  1SUSGSSA
2003-10-0219:30 UTCm62610 -149.87NGVD291SUSGSSA
2003-10-0219:30 UTCm62611 -150.75NAVD881SUSGSSA
2003-10-0219:30 UTCm72019230.33  1SUSGSSA
2004-02-24 D62610 -138.53NGVD291SUSGSSA
2004-02-24 D62611 -139.41NAVD881SUSGSSA
2004-02-24 D72019218.99  1SUSGSSA
2006-02-16 D62610 -145.15NGVD291SUSGSSA
2006-02-16 D62611 -146.03NAVD881SUSGSSA
2006-02-16 D72019225.61  1SUSGSSA
2006-04-28 D62610 -147.42NGVD291SUSGSSA
2006-04-28 D62611 -148.30NAVD881SUSGSSA
2006-04-28 D72019227.88  1SUSGSSA
2006-07-07 D62610 -156.05NGVD291SUSGSSA
2006-07-07 D62611 -156.93NAVD881SUSGSSA
2006-07-07 D72019236.51  1SUSGSSA
2006-09-27 D62610 -157.92NGVD291SUSGSSA
2006-09-27 D62611 -158.80NAVD881SUSGSSA
2006-09-27 D72019238.38  1SUSGSSA
2006-12-12 D62610 -146.21NGVD291SUSGSSA
2006-12-12 D62611 -147.09NAVD881SUSGSSA
2006-12-12 D72019226.67  1SUSGSSA
2007-04-18 D62610 -141.63NGVD291SUSGSSA
2007-04-18 D62611 -142.51NAVD881SUSGSSA
2007-04-18 D72019222.09  1SUSGSSA
2007-07-03 D62610 -151.12NGVD291SUSGSSA
2007-07-03 D62611 -152.00NAVD881SUSGSSA
2007-07-03 D72019231.58  1SUSGSSA
2007-12-18 D62610 -148.39NGVD291SUSGSSA
2007-12-18 D62611 -149.27NAVD881SUSGSSA
2007-12-18 D72019228.85  1SUSGSSA
2009-01-22 D62610 -141.53NGVD291SUSGSSA
2009-01-22 D62611 -142.41NAVD881SUSGSSA
2009-01-22 D72019221.99  1SUSGSSA
2009-04-28 D62610 -143.65NGVD291SUSGSSA
2009-04-28 D62611 -144.53NAVD881SUSGSSA
2009-04-28 D72019224.11  1SUSGSSA
2009-07-07 D62610 -148.69NGVD291SUSGSSA
2009-07-07 D62611 -149.57NAVD881SUSGSSA
2009-07-07 D72019229.15  1SUSGSSA
2009-09-23 D62610 -144.37NGVD291SUSGSSA
2009-09-23 D62611 -145.25NAVD881SUSGSSA
2009-09-23 D72019224.83  1SUSGSSA
2010-04-22 D62610 -138.36NGVD291SUSGSSA
2010-04-22 D62611 -139.24NAVD881SUSGSSA
2010-04-22 D72019218.82  1SUSGSSA
2010-07-08 D62610 -157.44NGVD291SUSGSSA
2010-07-08 D62611 -158.32NAVD881SUSGSSA
2010-07-08 D72019237.90  1SUSGSSA
2010-09-1417:53 UTCm62610 -155.53NGVD291SUSGSSA
2010-09-1417:53 UTCm62611 -156.41NAVD881SUSGSSA
2010-09-1417:53 UTCm72019235.99  1SUSGSSA
2011-01-1418:41 UTCm62610 -143.50NGVD291SUSGSSA
2011-01-1418:41 UTCm62611 -144.38NAVD881SUSGSSA
2011-01-1418:41 UTCm72019223.96  1SUSGSSA
2011-04-2715:11 UTCm62610 -142.89NGVD291SUSGSSA
2011-04-2715:11 UTCm62611 -143.77NAVD881SUSGSSA
2011-04-2715:11 UTCm72019223.35  1SUSGSSA
2011-09-2116:59 UTCm62610 -149.01NGVD291SUSGSSA
2011-09-2116:59 UTCm62611 -149.89NAVD881SUSGSSA
2011-09-2116:59 UTCm72019229.47  1SUSGSSA
2012-01-0614:17 UTCm62610 -139.72NGVD291SUSGSSA
2012-01-0614:17 UTCm62611 -140.60NAVD881SUSGSSA
2012-01-0614:17 UTCm72019220.18  1SUSGSSA
2012-04-2513:37 UTCm62610 -141.56NGVD291SUSGSSA
2012-04-2513:37 UTCm62611 -142.44NAVD881SUSGSSA
2012-04-2513:37 UTCm72019222.02  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 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.