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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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  • 383739076543001
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USGS 383739076543001 CH Bf 98

Charles County, Maryland
Latitude  38°37'39.8", Longitude  76°54'28.7" NAD83
Land-surface elevation 216.39 feet above NGVD29
The depth of the well is 475 feet below land surface.
The depth of the hole is 475 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
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
1955-02-28 D62610 51.39NGVD291L  A
1955-02-28 D62611 50.64NAVD881L  A
1955-02-28 D72019165.00  1L  A
1975-07-14 D62610 8.81NGVD291Z  A
1975-07-14 D62611 8.06NAVD881Z  A
1975-07-14 D72019207.58  1Z  A
1975-09-13 D62610 3.95NGVD291Z  A
1975-09-13 D62611 3.20NAVD881Z  A
1975-09-13 D72019212.44  1Z  A
1976-04-12 D62610 5.64NGVD291Z  A
1976-04-12 D62611 4.89NAVD881Z  A
1976-04-12 D72019210.75  1Z  A
1976-09-14 D62610 -3.36NGVD291Z  A
1976-09-14 D62611 -4.11NAVD881Z  A
1976-09-14 D72019219.75  1Z  A
1977-03-03 D62610 -0.04NGVD291Z  A
1977-03-03 D62611 -0.79NAVD881Z  A
1977-03-03 D72019216.43  1Z  A
1977-04-13 D62610 -0.96NGVD291Z  A
1977-04-13 D62611 -1.71NAVD881Z  A
1977-04-13 D72019217.35  1Z  A
1977-09-14 D62610 -1.08NGVD291Z  A
1977-09-14 D62611 -1.83NAVD881Z  A
1977-09-14 D72019217.47  1Z  A
1978-04-17 D62610 -8.10NGVD291Z  A
1978-04-17 D62611 -8.85NAVD881Z  A
1978-04-17 D72019224.49  1Z  A
1978-09-21 D62610 -17.28NGVD291Z  A
1978-09-21 D62611 -18.03NAVD881Z  A
1978-09-21 D72019233.67  1Z  A
1979-03-22 D62610 -13.64NGVD291Z  A
1979-03-22 D62611 -14.39NAVD881Z  A
1979-03-22 D72019230.03  1Z  A
1979-09-12 D62610 -19.10NGVD291Z  A
1979-09-12 D62611 -19.85NAVD881Z  A
1979-09-12 D72019235.49  1Z  A
1980-03-19 D62610 -20.30NGVD291Z  A
1980-03-19 D62611 -21.05NAVD881Z  A
1980-03-19 D72019236.69  1Z  A
1980-08-19 D62610 -29.06NGVD291Z  A
1980-08-19 D62611 -29.81NAVD881Z  A
1980-08-19 D72019245.45  1Z  A
1981-03-30 D62610 -26.50NGVD291Z  A
1981-03-30 D62611 -27.25NAVD881Z  A
1981-03-30 D72019242.89  1Z  A
1981-09-08 D62610 -32.22NGVD291Z  A
1981-09-08 D62611 -32.97NAVD881Z  A
1981-09-08 D72019248.61  1Z  A
1982-04-07 D62610 -27.44NGVD291Z  A
1982-04-07 D62611 -28.19NAVD881Z  A
1982-04-07 D72019243.83  1Z  A
1982-09-09 D62610 -36.65NGVD291Z  A
1982-09-09 D62611 -37.40NAVD881Z  A
1982-09-09 D72019253.04  1Z  A
1983-04-12 D62610 -34.94NGVD291Z  A
1983-04-12 D62611 -35.69NAVD881Z  A
1983-04-12 D72019251.33  1Z  A
1983-09-02 D62610 -43.12NGVD291Z  A
1983-09-02 D62611 -43.87NAVD881Z  A
1983-09-02 D72019259.51  1Z  A
1984-04-10 D62610 -37.50NGVD291Z  A
1984-04-10 D62611 -38.25NAVD881Z  A
1984-04-10 D72019253.89  1Z  A
1984-09-12 D62610 -43.57NGVD291Z  A
1984-09-12 D62611 -44.32NAVD881Z  A
1984-09-12 D72019259.96  1Z  A
1985-04-04 D62610 -43.29NGVD291Z  A
1985-04-04 D62611 -44.04NAVD881Z  A
1985-04-04 D72019259.68  1Z  A
1985-09-19 D62610 -47.06NGVD291Z  A
1985-09-19 D62611 -47.81NAVD881Z  A
1985-09-19 D72019263.45  1Z  A
1986-04-03 D62610 -48.16NGVD291Z  A
1986-04-03 D62611 -48.91NAVD881Z  A
1986-04-03 D72019264.55  1Z  A
1986-09-09 D62610 -38.66NGVD291Z  A
1986-09-09 D62611 -39.41NAVD881Z  A
1986-09-09 D72019255.05  1Z  A
1987-04-06 D62610 -36.82NGVD291Z  A
1987-04-06 D62611 -37.57NAVD881Z  A
1987-04-06 D72019253.21  1Z  A
1987-09-28 D62610 -44.36NGVD291Z  A
1987-09-28 D62611 -45.11NAVD881Z  A
1987-09-28 D72019260.75  1Z  A
1988-04-14 D62610 -40.10NGVD291Z  A
1988-04-14 D62611 -40.85NAVD881Z  A
1988-04-14 D72019256.49  1Z  A
1988-09-08 D62610 -45.50NGVD291Z  A
1988-09-08 D62611 -46.25NAVD881Z  A
1988-09-08 D72019261.89  1Z  A
1989-04-10 D62610 -42.83NGVD291Z  A
1989-04-10 D62611 -43.58NAVD881Z  A
1989-04-10 D72019259.22  1Z  A
1989-09-12 D62610 -46.59NGVD291Z  A
1989-09-12 D62611 -47.34NAVD881Z  A
1989-09-12 D72019262.98  1Z  A
1990-04-10 D62610 -43.86NGVD291Z  A
1990-04-10 D62611 -44.61NAVD881Z  A
1990-04-10 D72019260.25  1Z  A
1990-09-07 D62610 -44.86NGVD291Z  A
1990-09-07 D62611 -45.61NAVD881Z  A
1990-09-07 D72019261.25  1Z  A
1991-04-04 D62610 -37.32NGVD291Z  A
1991-04-04 D62611 -38.07NAVD881Z  A
1991-04-04 D72019253.71  1Z  A
1991-09-10 D62610 -46.66NGVD291Z  A
1991-09-10 D62611 -47.41NAVD881Z  A
1991-09-10 D72019263.05  1Z  A
1992-04-17 D62610 -46.06NGVD291Z  A
1992-04-17 D62611 -46.81NAVD881Z  A
1992-04-17 D72019262.45  1Z  A
1992-09-16 D62610 -46.75NGVD291Z  A
1992-09-16 D62611 -47.50NAVD881Z  A
1992-09-16 D72019263.14  1Z  A
1993-04-21 D62610 -43.62NGVD291Z  A
1993-04-21 D62611 -44.37NAVD881Z  A
1993-04-21 D72019260.01  1Z  A
1993-09-24 D62610 -51.98NGVD291Z  A
1993-09-24 D62611 -52.73NAVD881Z  A
1993-09-24 D72019268.37  1Z  A
1994-04-25 D62610 -46.82NGVD291Z  A
1994-04-25 D62611 -47.57NAVD881Z  A
1994-04-25 D72019263.21  1Z  A
1994-09-16 D62610 -53.64NGVD291Z  A
1994-09-16 D62611 -54.39NAVD881Z  A
1994-09-16 D72019270.03  1Z  A
1995-05-08 D62610 -53.34NGVD291Z  A
1995-05-08 D62611 -54.09NAVD881Z  A
1995-05-08 D72019269.73  1Z  A
1995-09-14 D62610 -63.42NGVD291Z  A
1995-09-14 D62611 -64.17NAVD881Z  A
1995-09-14 D72019279.81  1Z  A
1996-04-10 D62610 -51.60NGVD291Z  A
1996-04-10 D62611 -52.35NAVD881Z  A
1996-04-10 D72019267.99  1Z  A
1996-09-17 D62610 -56.94NGVD291Z  A
1996-09-17 D62611 -57.69NAVD881Z  A
1996-09-17 D72019273.33  1Z  A
1997-04-14 D62610 -54.27NGVD291Z  A
1997-04-14 D62611 -55.02NAVD881Z  A
1997-04-14 D72019270.66  1Z  A
1997-09-09 D62610 -61.91NGVD291Z  A
1997-09-09 D62611 -62.66NAVD881Z  A
1997-09-09 D72019278.30  1Z  A
1998-04-20 D62610 -55.09NGVD291Z  A
1998-04-20 D62611 -55.84NAVD881Z  A
1998-04-20 D72019271.48  1Z  A
1998-09-10 D62610 -56.12NGVD291Z  A
1998-09-10 D62611 -56.87NAVD881Z  A
1998-09-10 D72019272.51  1Z  A
1999-04-13 D62610 -53.03NGVD291Z  A
1999-04-13 D62611 -53.78NAVD881Z  A
1999-04-13 D72019269.42  1Z  A
1999-09-01 D62610 -57.89NGVD291Z  A
1999-09-01 D62611 -58.64NAVD881Z  A
1999-09-01 D72019274.28  1Z  A
2000-04-20 D62610 -55.75NGVD291Z  A
2000-04-20 D62611 -56.50NAVD881Z  A
2000-04-20 D72019272.14  1Z  A
2000-09-15 D62610 -56.83NGVD291Z  A
2000-09-15 D62611 -57.58NAVD881Z  A
2000-09-15 D72019273.22  1Z  A
2001-04-05 D62610 -56.11NGVD291Z  A
2001-04-05 D62611 -56.86NAVD881Z  A
2001-04-05 D72019272.50  1Z  A
2001-09-05 D62610 -59.13NGVD291Z  A
2001-09-05 D62611 -59.88NAVD881Z  A
2001-09-05 D72019275.52  1Z  A
2002-04-08 D62610 -61.14NGVD291TUSGSSA
2002-04-08 D62611 -61.89NAVD881TUSGSSA
2002-04-08 D72019277.53  1TUSGSSA
2002-09-11 D62610 -61.69NGVD291TUSGSSA
2002-09-11 D62611 -62.44NAVD881TUSGSSA
2002-09-11 D72019278.08  1TUSGSSA
2003-05-02 D62610 -59.74NGVD291TUSGSSA
2003-05-02 D62611 -60.49NAVD881TUSGSSA
2003-05-02 D72019276.13  1TUSGSSA
2003-09-26 D62610 -59.74NGVD291TUSGSSA
2003-09-26 D62611 -60.49NAVD881TUSGSSA
2003-09-26 D72019276.13  1TUSGSSA
2004-04-27 D62610 -59.44NGVD291TUSGSSA
2004-04-27 D62611 -60.19NAVD881TUSGSSA
2004-04-27 D72019275.83  1TUSGSSA
2004-09-14 D62610 -62.88NGVD291TUSGSSA
2004-09-14 D62611 -63.63NAVD881TUSGSSA
2004-09-14 D72019279.27  1TUSGSSA
2005-09-06 D62610 -65.19NGVD291TUSGSSA
2005-09-06 D62611 -65.94NAVD881TUSGSSA
2005-09-06 D72019281.58  1TUSGSSA
2006-09-29 D62610 -66.96NGVD291TUSGSSA
2006-09-29 D62611 -67.71NAVD881TUSGSSA
2006-09-29 D72019283.35  1TUSGSSA
2007-09-13 D62610 -75.53NGVD291TUSGSSA
2007-09-13 D62611 -76.28NAVD881TUSGSSA
2007-09-13 D72019291.92  1TUSGSSA
2008-09-12 D62610 -72.16NGVD291TUSGSSA
2008-09-12 D62611 -72.91NAVD881TUSGSSA
2008-09-12 D72019288.55  1TUSGSSA
2009-09-11 D62610 -66.71NGVD291TUSGSSA
2009-09-11 D62611 -67.46NAVD881TUSGSSA
2009-09-11 D72019283.10  1TUSGSSA
2010-09-1014:35 UTCm62610 -67.27NGVD291TUSGSSA
2010-09-1014:35 UTCm62611 -68.02NAVD881TUSGSSA
2010-09-1014:35 UTCm72019283.66  1TUSGSSA
2011-09-1316:28 UTCm62610 -75.10NGVD291TUSGSSA
2011-09-1316:28 UTCm62611 -75.85NAVD881TUSGSSA
2011-09-1316:28 UTCm72019291.49  1TUSGSSA
2012-04-1118:27 UTCm62610 -77.73NGVD291TMD006AA
2012-04-1118:27 UTCm62611 -78.48NAVD881TMD006AA
2012-04-1118:27 UTCm72019294.12  1TMD006AA
2012-09-0618:59 UTCm62610 -67.91NGVD291TUSGSSA
2012-09-0618:59 UTCm62611 -68.66NAVD881TUSGSSA
2012-09-0618:59 UTCm72019284.30  1TUSGSSA
2013-09-0320:09 UTCm62610 -66.59NGVD291TUSGSSA
2013-09-0320:09 UTCm62611 -67.34NAVD881TUSGSSA
2013-09-0320:09 UTCm72019282.98  1TUSGSSA
2014-09-1119:11 UTCm62610 -67.97NGVD291TUSGSSA
2014-09-1119:11 UTCm62611 -68.72NAVD881TUSGSSA
2014-09-1119:11 UTCm72019284.36  1TUSGSSA
2015-09-0821:16 UTCm62610 -71.85NGVD291TUSGSSA
2015-09-0821:16 UTCm62611 -72.60NAVD881TUSGSSA
2015-09-0821:16 UTCm72019288.24  1TUSGSSA
2016-10-0416:31 UTCm62610 -75.74NGVD291TUSGSSA
2016-10-0416:31 UTCm62611 -76.49NAVD881TUSGSSA
2016-10-0416:31 UTCm72019292.13  1TUSGSSA
2017-09-1220:45 UTCm62610 -82.95NGVD291TUSGSSA
2017-09-1220:45 UTCm62611 -83.70NAVD881TUSGSSA
2017-09-1220:45 UTCm72019299.34  1TUSGSSA
2018-09-1918:44 UTCm62610 -76.51NGVD291VUSGSSA
2018-09-1918:44 UTCm62611 -77.26NAVD881VUSGSSA
2018-09-1918:44 UTCm72019292.90  1VUSGSSA
2019-09-2511:55 UTCm62610 -84.59NGVD291VUSGSSA
2019-09-2511:55 UTCm62611 -85.34NAVD881VUSGSSA
2019-09-2511:55 UTCm72019300.98  1VUSGSSA
2020-09-1517:00 UTCm62610 -78.29NGVD291VUSGSSA
2020-09-1517:00 UTCm62611 -79.04NAVD881VUSGSSA
2020-09-1517:00 UTCm72019294.68  1VUSGSSA
2021-09-2815:58 UTCm62610 -80.59NGVD291VUSGSSA
2021-09-2815:58 UTCm62611 -81.34NAVD881VUSGSSA
2021-09-2815:58 UTCm72019296.98  1VUSGSSA
2022-09-2014:32 UTCm62610 -82.39NGVD291VUSGSSA
2022-09-2014:32 UTCm62611 -83.14NAVD881VUSGSSA
2022-09-2014:32 UTCm72019298.78  1VUSGSSA
2023-09-1216:40 UTCm62610 -80.14NGVD291VUSGSSA
2023-09-1216:40 UTCm62611 -80.89NAVD881VUSGSSA
2023-09-1216:40 UTCm72019296.53  1VUSGSSA
2024-08-1616:53 UTCm62610 -88.08NGVD291SUSGSSA
2024-08-1616:53 UTCm62611 -88.83NAVD881SUSGSSA
2024-08-1616:53 UTCm72019304.47  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 measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Measuring agencyMD006Maryland Geological Survey
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.