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Groundwater levels for the Nation

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Agency code = usgs
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  • 381537076384601
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USGS 381537076384601 SM Dd 47

St. Mary'S County, Maryland
Latitude  38°15'36.5", Longitude  76°38'44.2" NAD83
Land-surface elevation 10 feet above NGVD29
The depth of the well is 434 feet below land surface.
The depth of the hole is 440 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.
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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
1978-10-11 D62610 -42.60NGVD291SUSGSSA
1978-10-11 D62611 -43.51NAVD881SUSGSSA
1978-10-11 D7201952.60  1SUSGSSA
1979-05-25 D62610 -20.27NGVD291Z  A
1979-05-25 D62611 -21.18NAVD881Z  A
1979-05-25 D7201930.27  1Z  A
1982-09-21 D62610 -28.74NGVD291Z  A
1982-09-21 D62611 -29.65NAVD881Z  A
1982-09-21 D7201938.74  1Z  A
1983-04-07 D62610 -24.82NGVD291Z  A
1983-04-07 D62611 -25.73NAVD881Z  A
1983-04-07 D7201934.82  1Z  A
1984-04-11 D62610 -23.70NGVD29PZ  A
1984-04-11 D62611 -24.61NAVD88PZ  A
1984-04-11 D7201933.70  PZ  A
1984-09-13 D62610 -29.32NGVD29PZ  A
1984-09-13 D62611 -30.23NAVD88PZ  A
1984-09-13 D7201939.32  PZ  A
1985-09-13 D62610 -33.49NGVD291Z  A
1985-09-13 D62611 -34.40NAVD881Z  A
1985-09-13 D7201943.49  1Z  A
1986-09-12 D62610 -33.14NGVD291Z  A
1986-09-12 D62611 -34.05NAVD881Z  A
1986-09-12 D7201943.14  1Z  A
1987-04-21 D62610 -31.01NGVD29PZ  A
1987-04-21 D62611 -31.92NAVD88PZ  A
1987-04-21 D7201941.01  PZ  A
1988-09-21 D62610 -37.11NGVD291Z  A
1988-09-21 D62611 -38.02NAVD881Z  A
1988-09-21 D7201947.11  1Z  A
1989-09-14 D62610 -40.17NGVD291Z  A
1989-09-14 D62611 -41.08NAVD881Z  A
1989-09-14 D7201950.17  1Z  A
1991-04-11 D62610 -44.49NGVD29PZ  A
1991-04-11 D62611 -45.40NAVD88PZ  A
1991-04-11 D7201954.49  PZ  A
1991-09-11 D62610 -47.18NGVD291Z  A
1991-09-11 D62611 -48.09NAVD881Z  A
1991-09-11 D7201957.18  1Z  A
1992-04-08 D62610 -43.76NGVD291Z  A
1992-04-08 D62611 -44.67NAVD881Z  A
1992-04-08 D7201953.76  1Z  A
1992-09-17 D62610 -48.12NGVD291Z  A
1992-09-17 D62611 -49.03NAVD881Z  A
1992-09-17 D7201958.12  1Z  A
1993-05-03 D62610 -44.38NGVD291Z  A
1993-05-03 D62611 -45.29NAVD881Z  A
1993-05-03 D7201954.38  1Z  A
1993-09-30 D62610 -50.20NGVD291Z  A
1993-09-30 D62611 -51.11NAVD881Z  A
1993-09-30 D7201960.20  1Z  A
1994-05-03 D62610 -49.03NGVD291Z  A
1994-05-03 D62611 -49.94NAVD881Z  A
1994-05-03 D7201959.03  1Z  A
1994-09-08 D62610 -51.14NGVD291Z  A
1994-09-08 D62611 -52.05NAVD881Z  A
1994-09-08 D7201961.14  1Z  A
1995-05-31 D62610 -52.43NGVD291Z  A
1995-05-31 D62611 -53.34NAVD881Z  A
1995-05-31 D7201962.43  1Z  A
1995-10-03 D62610 -56.18NGVD291Z  A
1995-10-03 D62611 -57.09NAVD881Z  A
1995-10-03 D7201966.18  1Z  A
1996-04-25 D62610 -53.09NGVD291Z  A
1996-04-25 D62611 -54.00NAVD881Z  A
1996-04-25 D7201963.09  1Z  A
1996-09-24 D62610 -55.58NGVD291Z  A
1996-09-24 D62611 -56.49NAVD881Z  A
1996-09-24 D7201965.58  1Z  A
1997-04-15 D62610 -56.04NGVD291Z  A
1997-04-15 D62611 -56.95NAVD881Z  A
1997-04-15 D7201966.04  1Z  A
1997-09-18 D62610 -61.36NGVD291Z  A
1997-09-18 D62611 -62.27NAVD881Z  A
1997-09-18 D7201971.36  1Z  A
1998-05-05 D62610 -59.05NGVD291Z  A
1998-05-05 D62611 -59.96NAVD881Z  A
1998-05-05 D7201969.05  1Z  A
1998-09-23 D62610 -67.67NGVD291Z  A
1998-09-23 D62611 -68.58NAVD881Z  A
1998-09-23 D7201977.67  1Z  A
1999-04-15 D62610 -63.68NGVD291Z  A
1999-04-15 D62611 -64.59NAVD881Z  A
1999-04-15 D7201973.68  1Z  A
1999-08-30 D62610 -68.60NGVD291Z  A
1999-08-30 D62611 -69.51NAVD881Z  A
1999-08-30 D7201978.60  1Z  A
2000-09-13 D62610 -65.38NGVD291Z  A
2000-09-13 D62611 -66.29NAVD881Z  A
2000-09-13 D7201975.38  1Z  A
2001-04-24 D62610 -66.69NGVD291Z  A
2001-04-24 D62611 -67.60NAVD881Z  A
2001-04-24 D7201976.69  1Z  A
2001-09-11 D62610 -72.53NGVD291Z  A
2001-09-11 D62611 -73.44NAVD881Z  A
2001-09-11 D7201982.53  1Z  A
2002-09-17 D62610 -76.04NGVD291TUSGSSA
2002-09-17 D62611 -76.95NAVD881TUSGSSA
2002-09-17 D7201986.04  1TUSGSSA
2003-05-05 D62610 -71.65NGVD291SUSGSSA
2003-05-05 D62611 -72.56NAVD881SUSGSSA
2003-05-05 D7201981.65  1SUSGSSA
2003-09-26 D62610 -73.59NGVD291SUSGSSA
2003-09-26 D62611 -74.50NAVD881SUSGSSA
2003-09-26 D7201983.59  1SUSGSSA
2004-05-05 D62610 -73.23NGVD291SUSGSSA
2004-05-05 D62611 -74.14NAVD881SUSGSSA
2004-05-05 D7201983.23  1SUSGSSA
2004-09-30 D62610 -75.18NGVD291SUSGSSA
2004-09-30 D62611 -76.09NAVD881SUSGSSA
2004-09-30 D7201985.18  1SUSGSSA
2005-10-05 D62610 -79.83NGVD291SUSGSSA
2005-10-05 D62611 -80.74NAVD881SUSGSSA
2005-10-05 D7201989.83  1SUSGSSA
2006-09-29 D62610 -80.62NGVD291SUSGSSA
2006-09-29 D62611 -81.53NAVD881SUSGSSA
2006-09-29 D7201990.62  1SUSGSSA
2007-09-18 D62610 -80.13NGVD291SUSGSSA
2007-09-18 D62611 -81.04NAVD881SUSGSSA
2007-09-18 D7201990.13  1SUSGSSA
2008-09-1120:30 UTCm62610 -72.56NGVD291SUSGSSA
2008-09-1120:30 UTCm62611 -73.47NAVD881SUSGSSA
2008-09-1120:30 UTCm7201982.56  1SUSGSSA
2009-09-25 D62610 -72.13NGVD291SUSGSSA
2009-09-25 D62611 -73.04NAVD881SUSGSSA
2009-09-25 D7201982.13  1SUSGSSA
2010-09-15 D62610 -77.38NGVD291SUSGSSA
2010-09-15 D62611 -78.29NAVD881SUSGSSA
2010-09-15 D7201987.38  1SUSGSSA
2012-04-1116:03 UTCm62610 -73.71NGVD291SUSGSSA
2012-04-1116:03 UTCm62611 -74.62NAVD881SUSGSSA
2012-04-1116:03 UTCm7201983.71  1SUSGSSA
2012-09-1217:55 UTCm62610 -91.61NGVD29PSUSGSSA
2012-09-1217:55 UTCm62611 -92.52NAVD88PSUSGSSA
2012-09-1217:55 UTCm72019101.61  PSUSGSSA

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
StatusPPumping
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.