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Groundwater levels for the Nation

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  • 381116076253301
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USGS 381116076253301 SM Ef 69

St. Mary'S County, Maryland
Latitude  38°11'16", Longitude  76°25'33" NAD27
Land-surface elevation 44 feet above NGVD29
The depth of the well is 740 feet below land surface.
The depth of the hole is 740 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
1978-08-30 D62610 -31.78NGVD291Z  A
1978-08-30 D62611 -32.73NAVD881Z  A
1978-08-30 D7201975.78  1Z  A
1979-05-21 D62610 -34.16NGVD291Z  A
1979-05-21 D62611 -35.11NAVD881Z  A
1979-05-21 D7201978.16  1Z  A
1982-09-15 D62610 -44.20NGVD291Z  A
1982-09-15 D62611 -45.15NAVD881Z  A
1982-09-15 D7201988.20  1Z  A
1983-04-07 D62610 -41.11NGVD291Z  A
1983-04-07 D62611 -42.06NAVD881Z  A
1983-04-07 D7201985.11  1Z  A
1983-09-14 D62610 -41.69NGVD291Z  A
1983-09-14 D62611 -42.64NAVD881Z  A
1983-09-14 D7201985.69  1Z  A
1984-04-11 D62610 -40.60NGVD291Z  A
1984-04-11 D62611 -41.55NAVD881Z  A
1984-04-11 D7201984.60  1Z  A
1985-04-03 D62610 -48.72NGVD291Z  A
1985-04-03 D62611 -49.67NAVD881Z  A
1985-04-03 D7201992.72  1Z  A
1985-09-13 D62610 -48.49NGVD291Z  A
1985-09-13 D62611 -49.44NAVD881Z  A
1985-09-13 D7201992.49  1Z  A
1986-04-02 D62610 -48.12NGVD291Z  A
1986-04-02 D62611 -49.07NAVD881Z  A
1986-04-02 D7201992.12  1Z  A
1987-04-21 D62610 -51.16NGVD291Z  A
1987-04-21 D62611 -52.11NAVD881Z  A
1987-04-21 D7201995.16  1Z  A
1987-09-10 D62610 -55.47NGVD291Z  A
1987-09-10 D62611 -56.42NAVD881Z  A
1987-09-10 D7201999.47  1Z  A
1988-04-14 D62610 -49.70NGVD291Z  A
1988-04-14 D62611 -50.65NAVD881Z  A
1988-04-14 D7201993.70  1Z  A
1988-09-08 D62610 -55.98NGVD291Z  A
1988-09-08 D62611 -56.93NAVD881Z  A
1988-09-08 D7201999.98  1Z  A
1989-04-11 D62610 -58.62NGVD29PZ  A
1989-04-11 D62611 -59.57NAVD88PZ  A
1989-04-11 D72019102.62  PZ  A
1989-09-14 D62610 -59.43NGVD29 Z  A
1989-09-14 D62611 -60.38NAVD88 Z  A
1989-09-14 D72019103.43   Z  A
1990-04-19 D62610 -62.68NGVD29PZ  A
1990-04-19 D62611 -63.63NAVD88PZ  A
1990-04-19 D72019106.68  PZ  A
1990-09-11 D62610 -63.95NGVD291Z  A
1990-09-11 D62611 -64.90NAVD881Z  A
1990-09-11 D72019107.95  1Z  A
1991-04-10 D62610 -67.03NGVD29PZ  A
1991-04-10 D62611 -67.98NAVD88PZ  A
1991-04-10 D72019111.03  PZ  A
1991-09-06 D62610 -69.56NGVD29PZ  A
1991-09-06 D62611 -70.51NAVD88PZ  A
1991-09-06 D72019113.56  PZ  A
1992-04-08 D62610 -64.71NGVD291Z  A
1992-04-08 D62611 -65.66NAVD881Z  A
1992-04-08 D72019108.71  1Z  A
1992-09-02 D62610 -71.90NGVD291Z  A
1992-09-02 D62611 -72.85NAVD881Z  A
1992-09-02 D72019115.90  1Z  A
1993-04-13 D62610 -66.82NGVD291Z  A
1993-04-13 D62611 -67.77NAVD881Z  A
1993-04-13 D72019110.82  1Z  A
1993-09-09 D62610 -72.53NGVD291Z  A
1993-09-09 D62611 -73.48NAVD881Z  A
1993-09-09 D72019116.53  1Z  A
1994-09-15 D62610 -75.07NGVD291Z  A
1994-09-15 D62611 -76.02NAVD881Z  A
1994-09-15 D72019119.07  1Z  A
1995-04-12 D62610 -72.36NGVD291Z  A
1995-04-12 D62611 -73.31NAVD881Z  A
1995-04-12 D72019116.36  1Z  A
1995-09-12 D62610 -80.80NGVD291Z  A
1995-09-12 D62611 -81.75NAVD881Z  A
1995-09-12 D72019124.80  1Z  A
1996-04-03 D62610 -76.52NGVD291Z  A
1996-04-03 D62611 -77.47NAVD881Z  A
1996-04-03 D72019120.52  1Z  A
1996-09-26 D62610 -85.19NGVD291Z  A
1996-09-26 D62611 -86.14NAVD881Z  A
1996-09-26 D72019129.19  1Z  A
1997-10-21 D62610 -86.58NGVD291Z  A
1997-10-21 D62611 -87.53NAVD881Z  A
1997-10-21 D72019130.58  1Z  A
1998-04-07 D62610 -85.92NGVD291Z  A
1998-04-07 D62611 -86.87NAVD881Z  A
1998-04-07 D72019129.92  1Z  A
1998-09-23 D62610 -92.79NGVD291Z  A
1998-09-23 D62611 -93.74NAVD881Z  A
1998-09-23 D72019136.79  1Z  A
1999-04-08 D62610 -88.80NGVD291TUSGSSA
1999-04-08 D62611 -89.75NAVD881TUSGSSA
1999-04-08 D72019132.80  1TUSGSSA
1999-09-22 D62610 -99.44NGVD291TUSGSSA
1999-09-22 D62611 -100.39NAVD881TUSGSSA
1999-09-22 D72019143.44  1TUSGSSA
2000-05-04 D62610 -91.63NGVD291TUSGSSA
2000-05-04 D62611 -92.58NAVD881TUSGSSA
2000-05-04 D72019135.63  1TUSGSSA
2001-09-27 D62610 -99.69NGVD291TUSGSSA
2001-09-27 D62611 -100.64NAVD881TUSGSSA
2001-09-27 D72019143.69  1TUSGSSA
2001-12-19 D62610 -98.08NGVD291TUSGSSA
2001-12-19 D62611 -99.03NAVD881TUSGSSA
2001-12-19 D72019142.08  1TUSGSSA
2002-02-2617:45 UTCm62610 -96.15NGVD291TUSGSSA
2002-02-2617:45 UTCm62611 -97.10NAVD881TUSGSSA
2002-02-2617:45 UTCm72019140.15  1TUSGSSA
2002-04-04 D62610 -97.14NGVD291TUSGSSA
2002-04-04 D62611 -98.09NAVD881TUSGSSA
2002-04-04 D72019141.14  1TUSGSSA
2002-10-31 D62610 -112.00NGVD291TUSGSSA
2002-10-31 D62611 -112.95NAVD881TUSGSSA
2002-10-31 D72019156.00  1TUSGSSA
2003-04-24 D62610 -98.79NGVD291TUSGSSA
2003-04-24 D62611 -99.74NAVD881TUSGSSA
2003-04-24 D72019142.79  1TUSGSSA
2003-09-25 D62610 -106.08NGVD291TUSGSSA
2003-09-25 D62611 -107.03NAVD881TUSGSSA
2003-09-25 D72019150.08  1TUSGSSA

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
StatusPWater level was affected by pumping at the time of the 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.