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Groundwater levels for the Nation

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Agency code = usgs
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  • 383301076531101
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USGS 383301076531101 CH Cf 31

Charles County, Maryland
Latitude  38°33'02.18", Longitude  76°53'10.26" NAD83
Land-surface elevation 161.98 feet above NAVD88
The depth of the well is 477 feet below land surface.
The depth of the hole is 485 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 Magothy Formation (211MGTY) 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
1978-03-03 D62610 3.74NGVD291L  A
1978-03-03 D62611 2.98NAVD881L  A
1978-03-03 D72019159.00  1L  A
1978-05-17 D62610 3.24NGVD291Z  A
1978-05-17 D62611 2.48NAVD881Z  A
1978-05-17 D72019159.50  1Z  A
1979-01-18 D62610 -0.81NGVD291Z  A
1979-01-18 D62611 -1.57NAVD881Z  A
1979-01-18 D72019163.55  1Z  A
1979-03-23 D62610 -1.11NGVD291Z  A
1979-03-23 D62611 -1.87NAVD881Z  A
1979-03-23 D72019163.85  1Z  A
1981-03-30 D62610 -11.43NGVD291Z  A
1981-03-30 D62611 -12.19NAVD881Z  A
1981-03-30 D72019174.17  1Z  A
1981-09-08 D62610 -14.94NGVD291Z  A
1981-09-08 D62611 -15.70NAVD881Z  A
1981-09-08 D72019177.68  1Z  A
1982-04-08 D62610 -16.63NGVD291Z  A
1982-04-08 D62611 -17.39NAVD881Z  A
1982-04-08 D72019179.37  1Z  A
1982-09-23 D62610 -20.68NGVD291Z  A
1982-09-23 D62611 -21.44NAVD881Z  A
1982-09-23 D72019183.42  1Z  A
1983-04-04 D62610 -20.26NGVD291Z  A
1983-04-04 D62611 -21.02NAVD881Z  A
1983-04-04 D72019183.00  1Z  A
1983-10-03 D62610 -26.16NGVD291Z  A
1983-10-03 D62611 -26.92NAVD881Z  A
1983-10-03 D72019188.90  1Z  A
1984-04-11 D62610 -20.96NGVD291Z  A
1984-04-11 D62611 -21.72NAVD881Z  A
1984-04-11 D72019183.70  1Z  A
1984-09-12 D62610 -23.70NGVD291Z  A
1984-09-12 D62611 -24.46NAVD881Z  A
1984-09-12 D72019186.44  1Z  A
1984-09-20 D62610 -28.12NGVD291Z  A
1984-09-20 D62611 -28.88NAVD881Z  A
1984-09-20 D72019190.86  1Z  A
1985-04-18 D62610 -27.26NGVD291Z  A
1985-04-18 D62611 -28.02NAVD881Z  A
1985-04-18 D72019190.00  1Z  A
1985-09-20 D62610 -32.36NGVD291Z  A
1985-09-20 D62611 -33.12NAVD881Z  A
1985-09-20 D72019195.10  1Z  A
1986-04-03 D62610 -32.19NGVD291Z  A
1986-04-03 D62611 -32.95NAVD881Z  A
1986-04-03 D72019194.93  1Z  A
1986-09-18 D62610 -34.42NGVD291Z  A
1986-09-18 D62611 -35.18NAVD881Z  A
1986-09-18 D72019197.16  1Z  A
1987-04-07 D62610 -28.71NGVD291Z  A
1987-04-07 D62611 -29.47NAVD881Z  A
1987-04-07 D72019191.45  1Z  A
1987-09-23 D62610 -32.85NGVD291Z  A
1987-09-23 D62611 -33.61NAVD881Z  A
1987-09-23 D72019195.59  1Z  A
1988-04-14 D62610 -27.54NGVD291Z  A
1988-04-14 D62611 -28.30NAVD881Z  A
1988-04-14 D72019190.28  1Z  A
1988-09-07 D62610 -32.47NGVD291Z  A
1988-09-07 D62611 -33.23NAVD881Z  A
1988-09-07 D72019195.21  1Z  A
1989-04-12 D62610 -29.34NGVD291Z  A
1989-04-12 D62611 -30.10NAVD881Z  A
1989-04-12 D72019192.08  1Z  A
1989-09-14 D62610 -33.94NGVD291Z  A
1989-09-14 D62611 -34.70NAVD881Z  A
1989-09-14 D72019196.68  1Z  A
1990-04-11 D62610 -33.31NGVD291Z  A
1990-04-11 D62611 -34.07NAVD881Z  A
1990-04-11 D72019196.05  1Z  A
1990-09-07 D62610 -32.80NGVD291Z  A
1990-09-07 D62611 -33.56NAVD881Z  A
1990-09-07 D72019195.54  1Z  A
1991-04-10 D62610 -29.05NGVD291Z  A
1991-04-10 D62611 -29.81NAVD881Z  A
1991-04-10 D72019191.79  1Z  A
1991-09-10 D62610 -35.20NGVD291Z  A
1991-09-10 D62611 -35.96NAVD881Z  A
1991-09-10 D72019197.94  1Z  A
1992-04-16 D62610 -32.08NGVD291Z  A
1992-04-16 D62611 -32.84NAVD881Z  A
1992-04-16 D72019194.82  1Z  A
1992-09-16 D62610 -35.79NGVD291Z  A
1992-09-16 D62611 -36.55NAVD881Z  A
1992-09-16 D72019198.53  1Z  A
1993-04-27 D62610 -34.65NGVD291Z  A
1993-04-27 D62611 -35.41NAVD881Z  A
1993-04-27 D72019197.39  1Z  A
1993-09-28 D62610 -40.98NGVD291Z  A
1993-09-28 D62611 -41.74NAVD881Z  A
1993-09-28 D72019203.72  1Z  A
1994-04-25 D62610 -36.46NGVD291Z  A
1994-04-25 D62611 -37.22NAVD881Z  A
1994-04-25 D72019199.20  1Z  A
1994-09-19 D62610 -41.74NGVD291Z  A
1994-09-19 D62611 -42.50NAVD881Z  A
1994-09-19 D72019204.48  1Z  A
1995-05-16 D62610 -39.85NGVD291Z  A
1995-05-16 D62611 -40.61NAVD881Z  A
1995-05-16 D72019202.59  1Z  A
1995-09-14 D62610 -47.87NGVD291Z  A
1995-09-14 D62611 -48.63NAVD881Z  A
1995-09-14 D72019210.61  1Z  A
1996-04-05 D62610 -43.12NGVD291Z  A
1996-04-05 D62611 -43.88NAVD881Z  A
1996-04-05 D72019205.86  1Z  A
1996-09-18 D62610 -46.85NGVD291Z  A
1996-09-18 D62611 -47.61NAVD881Z  A
1996-09-18 D72019209.59  1Z  A
1997-04-11 D62610 -43.11NGVD291Z  A
1997-04-11 D62611 -43.87NAVD881Z  A
1997-04-11 D72019205.85  1Z  A
1997-09-08 D62610 -49.41NGVD291Z  A
1997-09-08 D62611 -50.17NAVD881Z  A
1997-09-08 D72019212.15  1Z  A
1998-04-28 D62610 -47.00NGVD291Z  A
1998-04-28 D62611 -47.76NAVD881Z  A
1998-04-28 D72019209.74  1Z  A
1998-09-10 D62610 -53.40NGVD291Z  A
1998-09-10 D62611 -54.16NAVD881Z  A
1998-09-10 D72019216.14  1Z  A
1999-04-13 D62610 -48.56NGVD291Z  A
1999-04-13 D62611 -49.32NAVD881Z  A
1999-04-13 D72019211.30  1Z  A
1999-09-01 D62610 -55.29NGVD291Z  A
1999-09-01 D62611 -56.05NAVD881Z  A
1999-09-01 D72019218.03  1Z  A
2000-04-24 D62610 -50.43NGVD291Z  A
2000-04-24 D62611 -51.19NAVD881Z  A
2000-04-24 D72019213.17  1Z  A
2000-09-15 D62610 -53.02NGVD291Z  A
2000-09-15 D62611 -53.78NAVD881Z  A
2000-09-15 D72019215.76  1Z  A
2001-04-05 D62610 -50.41NGVD291Z  A
2001-04-05 D62611 -51.17NAVD881Z  A
2001-04-05 D72019213.15  1Z  A
2001-09-05 D62610 -55.11NGVD291Z  A
2001-09-05 D62611 -55.87NAVD881Z  A
2001-09-05 D72019217.85  1Z  A
2002-04-09 D62610 -54.59NGVD291TUSGSSA
2002-04-09 D62611 -55.35NAVD881TUSGSSA
2002-04-09 D72019217.33  1TUSGSSA
2002-09-13 D62610 -63.19NGVD291TUSGSSA
2002-09-13 D62611 -63.95NAVD881TUSGSSA
2002-09-13 D72019225.93  1TUSGSSA
2003-05-02 D62610 -56.60NGVD291SUSGSSA
2003-05-02 D62611 -57.36NAVD881SUSGSSA
2003-05-02 D72019219.34  1SUSGSSA
2003-09-15 D62610 -58.85NGVD291SUSGSSA
2003-09-15 D62611 -59.61NAVD881SUSGSSA
2003-09-15 D72019221.59  1SUSGSSA
2004-04-26 D62610 -50.54NGVD291SUSGSSA
2004-04-26 D62611 -51.30NAVD881SUSGSSA
2004-04-26 D72019213.28  1SUSGSSA
2004-09-13 D62610 -60.49NGVD291SUSGSSA
2004-09-13 D62611 -61.25NAVD881SUSGSSA
2004-09-13 D72019223.23  1SUSGSSA
2005-10-05 D62610 -65.38NGVD291SUSGSSA
2005-10-05 D62611 -66.14NAVD881SUSGSSA
2005-10-05 D72019228.12  1SUSGSSA
2006-09-29 D62610 -67.21NGVD291SUSGSSA
2006-09-29 D62611 -67.97NAVD881SUSGSSA
2006-09-29 D72019229.95  1SUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 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.