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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
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  • 383814076500301
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USGS 383814076500301 CH Bf 135

Charles County, Maryland
Latitude  38°38'15.1", Longitude  76°49'57.8" NAD83
Land-surface elevation 207.82 feet above NGVD29
The depth of the well is 628 feet below land surface.
The depth of the hole is 667 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
1973-08-10 D62610 17.82NGVD291L  A
1973-08-10 D62611 17.03NAVD881L  A
1973-08-10 D72019190.00  1L  A
1974-09-16 D62610 12.45NGVD291Z  A
1974-09-16 D62611 11.66NAVD881Z  A
1974-09-16 D72019195.37  1Z  A
1974-10-10 D62610 14.56NGVD291Z  A
1974-10-10 D62611 13.77NAVD881Z  A
1974-10-10 D72019193.26  1Z  A
1975-04-14 D62610 15.12NGVD291Z  A
1975-04-14 D62611 14.33NAVD881Z  A
1975-04-14 D72019192.70  1Z  A
1976-04-10 D62610 11.34NGVD291Z  A
1976-04-10 D62611 10.55NAVD881Z  A
1976-04-10 D72019196.48  1Z  A
1976-09-14 D62610 9.72NGVD291Z  A
1976-09-14 D62611 8.93NAVD881Z  A
1976-09-14 D72019198.10  1Z  A
1977-04-13 D62610 8.67NGVD291Z  A
1977-04-13 D62611 7.88NAVD881Z  A
1977-04-13 D72019199.15  1Z  A
1977-09-14 D62610 4.49NGVD291Z  A
1977-09-14 D62611 3.70NAVD881Z  A
1977-09-14 D72019203.33  1Z  A
1978-04-25 D62610 5.57NGVD291Z  A
1978-04-25 D62611 4.78NAVD881Z  A
1978-04-25 D72019202.25  1Z  A
1978-09-21 D62610 0.92NGVD291Z  A
1978-09-21 D62611 0.13NAVD881Z  A
1978-09-21 D72019206.90  1Z  A
1979-03-23 D62610 3.70NGVD291Z  A
1979-03-23 D62611 2.91NAVD881Z  A
1979-03-23 D72019204.12  1Z  A
1979-09-14 D62610 -0.93NGVD291Z  A
1979-09-14 D62611 -1.72NAVD881Z  A
1979-09-14 D72019208.75  1Z  A
1980-08-19 D62610 -15.86NGVD291Z  A
1980-08-19 D62611 -16.65NAVD881Z  A
1980-08-19 D72019223.68  1Z  A
1981-04-10 D62610 -3.68NGVD291Z  A
1981-04-10 D62611 -4.47NAVD881Z  A
1981-04-10 D72019211.50  1Z  A
1981-04-14 D62610 -11.88NGVD29PZ  A
1981-04-14 D62611 -12.67NAVD88PZ  A
1981-04-14 D72019219.70  PZ  A
1981-09-08 D62610 -19.40NGVD291Z  A
1981-09-08 D62611 -20.19NAVD881Z  A
1981-09-08 D72019227.22  1Z  A
1982-04-07 D62610 -14.95NGVD291Z  A
1982-04-07 D62611 -15.74NAVD881Z  A
1982-04-07 D72019222.77  1Z  A
1982-09-09 D62610 -18.07NGVD291Z  A
1982-09-09 D62611 -18.86NAVD881Z  A
1982-09-09 D72019225.89  1Z  A
1983-04-19 D62610 -14.08NGVD29PZ  A
1983-04-19 D62611 -14.87NAVD88PZ  A
1983-04-19 D72019221.90  PZ  A
1983-09-02 D62610 -15.38NGVD291Z  A
1983-09-02 D62611 -16.17NAVD881Z  A
1983-09-02 D72019223.20  1Z  A
1984-04-16 D62610 -15.00NGVD291Z  A
1984-04-16 D62611 -15.79NAVD881Z  A
1984-04-16 D72019222.82  1Z  A
1984-09-12 D62610 -12.40NGVD291Z  A
1984-09-12 D62611 -13.19NAVD881Z  A
1984-09-12 D72019220.22  1Z  A
1985-04-09 D62610 -18.32NGVD291Z  A
1985-04-09 D62611 -19.11NAVD881Z  A
1985-04-09 D72019226.14  1Z  A
1985-09-23 D62610 -13.01NGVD291Z  A
1985-09-23 D62611 -13.80NAVD881Z  A
1985-09-23 D72019220.83  1Z  A
1986-09-19 D62610 -3.77NGVD291Z  A
1986-09-19 D62611 -4.56NAVD881Z  A
1986-09-19 D72019211.59  1Z  A
1987-04-07 D62610 -0.77NGVD291Z  A
1987-04-07 D62611 -1.56NAVD881Z  A
1987-04-07 D72019208.59  1Z  A
1987-09-24 D62610 -5.38NGVD291Z  A
1987-09-24 D62611 -6.17NAVD881Z  A
1987-09-24 D72019213.20  1Z  A
1988-04-13 D62610 -6.69NGVD291Z  A
1988-04-13 D62611 -7.48NAVD881Z  A
1988-04-13 D72019214.51  1Z  A
1988-09-08 D62610 -8.19NGVD291Z  A
1988-09-08 D62611 -8.98NAVD881Z  A
1988-09-08 D72019216.01  1Z  A
1989-04-11 D62610 -16.38NGVD291Z  A
1989-04-11 D62611 -17.17NAVD881Z  A
1989-04-11 D72019224.20  1Z  A
1989-09-13 D62610 -11.08NGVD291Z  A
1989-09-13 D62611 -11.87NAVD881Z  A
1989-09-13 D72019218.90  1Z  A
1990-04-11 D62610 -31.81NGVD291Z  A
1990-04-11 D62611 -32.60NAVD881Z  A
1990-04-11 D72019239.63  1Z  A
1990-09-06 D62610 -9.60NGVD291Z  A
1990-09-06 D62611 -10.39NAVD881Z  A
1990-09-06 D72019217.42  1Z  A
1991-09-05 D62610 -39.26NGVD291Z  A
1991-09-05 D62611 -40.05NAVD881Z  A
1991-09-05 D72019247.08  1Z  A
1992-09-16 D62610 -16.38NGVD291Z  A
1992-09-16 D62611 -17.17NAVD881Z  A
1992-09-16 D72019224.20  1Z  A
1993-09-29 D62610 -19.08NGVD291Z  A
1993-09-29 D62611 -19.87NAVD881Z  A
1993-09-29 D72019226.90  1Z  A
1994-09-16 D62610 -25.93NGVD291Z  A
1994-09-16 D62611 -26.72NAVD881Z  A
1994-09-16 D72019233.75  1Z  A
1995-05-09 D62610 -32.20NGVD291Z  A
1995-05-09 D62611 -32.99NAVD881Z  A
1995-05-09 D72019240.02  1Z  A
1995-09-13 D62610 -30.99NGVD291Z  A
1995-09-13 D62611 -31.78NAVD881Z  A
1995-09-13 D72019238.81  1Z  A
1996-04-05 D62610 -36.00NGVD291Z  A
1996-04-05 D62611 -36.79NAVD881Z  A
1996-04-05 D72019243.82  1Z  A
1996-09-20 D62610 -33.09NGVD291Z  A
1996-09-20 D62611 -33.88NAVD881Z  A
1996-09-20 D72019240.91  1Z  A
1997-09-09 D62610 -30.93NGVD291Z  A
1997-09-09 D62611 -31.72NAVD881Z  A
1997-09-09 D72019238.75  1Z  A
1998-05-11 D62610 -33.61NGVD291Z  A
1998-05-11 D62611 -34.40NAVD881Z  A
1998-05-11 D72019241.43  1Z  A
1998-09-10 D62610 -35.69NGVD291Z  A
1998-09-10 D62611 -36.48NAVD881Z  A
1998-09-10 D72019243.51  1Z  A
1999-09-01 D62610 -32.46NGVD291Z  A
1999-09-01 D62611 -33.25NAVD881Z  A
1999-09-01 D72019240.28  1Z  A
2000-04-26 D62610 -50.98NGVD291Z  A
2000-04-26 D62611 -51.77NAVD881Z  A
2000-04-26 D72019258.80  1Z  A
2000-09-15 D62610 -36.94NGVD291Z  A
2000-09-15 D62611 -37.73NAVD881Z  A
2000-09-15 D72019244.76  1Z  A
2001-04-05 D62610 -30.71NGVD291Z  A
2001-04-05 D62611 -31.50NAVD881Z  A
2001-04-05 D72019238.53  1Z  A
2001-09-05 D62610 -37.11NGVD291Z  A
2001-09-05 D62611 -37.90NAVD881Z  A
2001-09-05 D72019244.93  1Z  A
2002-04-08 D62610 -40.82NGVD291TUSGSSA
2002-04-08 D62611 -41.61NAVD881TUSGSSA
2002-04-08 D72019248.64  1TUSGSSA
2002-09-11 D62610 -45.73NGVD291TUSGSSA
2002-09-11 D62611 -46.52NAVD881TUSGSSA
2002-09-11 D72019253.55  1TUSGSSA
2003-09-17 D62610 -38.83NGVD291TUSGSSA
2003-09-17 D62611 -39.62NAVD881TUSGSSA
2003-09-17 D72019246.65  1TUSGSSA
2004-04-27 D62610 -60.32NGVD291TUSGSSA
2004-04-27 D62611 -61.11NAVD881TUSGSSA
2004-04-27 D72019268.14  1TUSGSSA
2004-09-13 D62610 -38.79NGVD291TUSGSSA
2004-09-13 D62611 -39.58NAVD881TUSGSSA
2004-09-13 D72019246.61  1TUSGSSA
2005-09-06 D62610 -47.65NGVD291TUSGSSA
2005-09-06 D62611 -48.44NAVD881TUSGSSA
2005-09-06 D72019255.47  1TUSGSSA
2006-10-05 D62610 -44.23NGVD291TUSGSSA
2006-10-05 D62611 -45.02NAVD881TUSGSSA
2006-10-05 D72019252.05  1TUSGSSA
2007-09-07 D62610 -51.45NGVD291TUSGSSA
2007-09-07 D62611 -52.24NAVD881TUSGSSA
2007-09-07 D72019259.27  1TUSGSSA
2008-09-12 D62610 -50.61NGVD291TUSGSSA
2008-09-12 D62611 -51.40NAVD881TUSGSSA
2008-09-12 D72019258.43  1TUSGSSA
2009-09-24 D62610 -42.44NGVD291TUSGSSA
2009-09-24 D62611 -43.23NAVD881TUSGSSA
2009-09-24 D72019250.26  1TUSGSSA
2010-09-1014:40 UTCm62610 -46.99NGVD291TUSGSSA
2010-09-1014:40 UTCm62611 -47.78NAVD881TUSGSSA
2010-09-1014:40 UTCm72019254.81  1TUSGSSA
2011-09-1517:39 UTCm62610 -52.68NGVD291TUSGSSA
2011-09-1517:39 UTCm62611 -53.47NAVD881TUSGSSA
2011-09-1517:39 UTCm72019260.50  1TUSGSSA
2012-09-0619:38 UTCm62610 -53.15NGVD291TUSGSSA
2012-09-0619:38 UTCm62611 -53.94NAVD881TUSGSSA
2012-09-0619:38 UTCm72019260.97  1TUSGSSA
2013-09-0515:18 UTCm62610 -54.23NGVD291TUSGSSA
2013-09-0515:18 UTCm62611 -55.02NAVD881TUSGSSA
2013-09-0515:18 UTCm72019262.05  1TUSGSSA
2014-09-1111:14 UTCm62610 -50.70NGVD291TUSGSSA
2014-09-1111:14 UTCm62611 -51.49NAVD881TUSGSSA
2014-09-1111:14 UTCm72019258.52  1TUSGSSA
2015-09-0814:46 UTCm62610 -61.39NGVD291TUSGSSA
2015-09-0814:46 UTCm62611 -62.18NAVD881TUSGSSA
2015-09-0814:46 UTCm72019269.21  1TUSGSSA
2015-09-0918:29 UTCm62610 -61.85NGVD291TUSGSSA
2015-09-0918:29 UTCm62611 -62.64NAVD881TUSGSSA
2015-09-0918:29 UTCm72019269.67  1TUSGSSA
2015-09-2916:32 UTCm62610 -61.53NGVD291TUSGSSA
2015-09-2916:32 UTCm62611 -62.32NAVD881TUSGSSA
2015-09-2916:32 UTCm72019269.35  1TUSGSSA
2016-10-0719:48 UTCm62610 -55.12NGVD291TUSGSSA
2016-10-0719:48 UTCm62611 -55.91NAVD881TUSGSSA
2016-10-0719:48 UTCm72019262.94  1TUSGSSA
2017-09-2622:17 UTCm62610 -58.94NGVD291TUSGSSA
2017-09-2622:17 UTCm62611 -59.73NAVD881TUSGSSA
2017-09-2622:17 UTCm72019266.76  1TUSGSSA
2018-09-2614:40 UTCm62610 -53.32NGVD291VUSGSSA
2018-09-2614:40 UTCm62611 -54.11NAVD881VUSGSSA
2018-09-2614:40 UTCm72019261.14  1VUSGSSA
2019-09-2514:15 UTCm62610 -56.63NGVD291VUSGSSA
2019-09-2514:15 UTCm62611 -57.42NAVD881VUSGSSA
2019-09-2514:15 UTCm72019264.45  1VUSGSSA
2020-09-2817:12 UTCm62610 -55.86NGVD291VUSGSSA
2020-09-2817:12 UTCm62611 -56.65NAVD881VUSGSSA
2020-09-2817:12 UTCm72019263.68  1VUSGSSA
2021-09-2717:58 UTCm62610 -60.74NGVD291VUSGSSA
2021-09-2717:58 UTCm62611 -61.53NAVD881VUSGSSA
2021-09-2717:58 UTCm72019268.56  1VUSGSSA
2022-09-1614:11 UTCm62610 -58.18NGVD291VUSGSSA
2022-09-1614:11 UTCm62611 -58.97NAVD881VUSGSSA
2022-09-1614:11 UTCm72019266.00  1VUSGSSA
2023-08-2816:34 UTCm62610 -56.75NGVD291VUSGSSA
2023-08-2816:34 UTCm62611 -57.54NAVD881VUSGSSA
2023-08-2816:34 UTCm72019264.57  1VUSGSSA
2024-09-0414:15 UTCm62610 -54.98NGVD291SUSGSSA
2024-09-0414:15 UTCm62611 -55.77NAVD881SUSGSSA
2024-09-0414:15 UTCm72019262.80  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
StatusPWater level was affected by pumping at the time of the measurement
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 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.