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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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  • 383934076320001
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USGS 383934076320001 CA Cc 56

Calvert County, Maryland
Latitude  38°39'35.2", Longitude  76°32'01.1" NAD83
Land-surface elevation 96.11 feet above NGVD29
The depth of the well is 724 feet below land surface.
The depth of the hole is 900 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
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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
1974-02-14 D62610 13.11NGVD291L  A
1974-02-14 D62611 12.31NAVD881L  A
1974-02-14 D7201983.00  1L  A
1974-09-18 D62610 8.81NGVD291Z  A
1974-09-18 D62611 8.01NAVD881Z  A
1974-09-18 D7201987.30  1Z  A
1975-04-11 D62610 8.64NGVD291Z  A
1975-04-11 D62611 7.84NAVD881Z  A
1975-04-11 D7201987.47  1Z  A
1975-09-12 D62610 8.29NGVD291Z  A
1975-09-12 D62611 7.49NAVD881Z  A
1975-09-12 D7201987.82  1Z  A
1976-09-13 D62610 6.81NGVD291Z  A
1976-09-13 D62611 6.01NAVD881Z  A
1976-09-13 D7201989.30  1Z  A
1977-04-12 D62610 6.22NGVD291Z  A
1977-04-12 D62611 5.42NAVD881Z  A
1977-04-12 D7201989.89  1Z  A
1977-09-13 D62610 5.54NGVD291Z  A
1977-09-13 D62611 4.74NAVD881Z  A
1977-09-13 D7201990.57  1Z  A
1978-04-10 D62610 5.29NGVD291Z  A
1978-04-10 D62611 4.49NAVD881Z  A
1978-04-10 D7201990.82  1Z  A
1978-09-28 D62610 4.71NGVD291Z  A
1978-09-28 D62611 3.91NAVD881Z  A
1978-09-28 D7201991.40  1Z  A
1979-03-22 D62610 4.43NGVD291Z  A
1979-03-22 D62611 3.63NAVD881Z  A
1979-03-22 D7201991.68  1Z  A
1979-03-27 D62610 4.29NGVD291Z  A
1979-03-27 D62611 3.49NAVD881Z  A
1979-03-27 D7201991.82  1Z  A
1979-09-10 D62610 4.03NGVD291Z  A
1979-09-10 D62611 3.23NAVD881Z  A
1979-09-10 D7201992.08  1Z  A
1980-03-17 D62610 3.08NGVD291Z  A
1980-03-17 D62611 2.28NAVD881Z  A
1980-03-17 D7201993.03  1Z  A
1980-08-26 D62610 2.53NGVD291Z  A
1980-08-26 D62611 1.73NAVD881Z  A
1980-08-26 D7201993.58  1Z  A
1981-04-06 D62610 1.51NGVD291Z  A
1981-04-06 D62611 0.71NAVD881Z  A
1981-04-06 D7201994.60  1Z  A
1981-09-14 D62610 1.13NGVD291Z  A
1981-09-14 D62611 0.33NAVD881Z  A
1981-09-14 D7201994.98  1Z  A
1982-03-31 D62610 0.68NGVD291Z  A
1982-03-31 D62611 -0.12NAVD881Z  A
1982-03-31 D7201995.43  1Z  A
1982-09-27 D62610 0.25NGVD291Z  A
1982-09-27 D62611 -0.55NAVD881Z  A
1982-09-27 D7201995.86  1Z  A
1983-04-08 D62610 -0.50NGVD291Z  A
1983-04-08 D62611 -1.30NAVD881Z  A
1983-04-08 D7201996.61  1Z  A
1983-08-18 D62610 -1.93NGVD291S  A
1983-08-18 D62611 -2.73NAVD881S  A
1983-08-18 D7201998.04  1S  A
1984-04-09 D62610 -2.41NGVD291Z  A
1984-04-09 D62611 -3.21NAVD881Z  A
1984-04-09 D7201998.52  1Z  A
1984-09-10 D62610 -3.18NGVD291Z  A
1984-09-10 D62611 -3.98NAVD881Z  A
1984-09-10 D7201999.29  1Z  A
1985-03-26 D62610 -4.19NGVD291Z  A
1985-03-26 D62611 -4.99NAVD881Z  A
1985-03-26 D72019100.30  1Z  A
1985-09-11 D62610 -5.02NGVD291Z  A
1985-09-11 D62611 -5.82NAVD881Z  A
1985-09-11 D72019101.13  1Z  A
1986-03-31 D62610 -5.75NGVD291Z  A
1986-03-31 D62611 -6.55NAVD881Z  A
1986-03-31 D72019101.86  1Z  A
1987-04-07 D62610 -6.96NGVD291Z  A
1987-04-07 D62611 -7.76NAVD881Z  A
1987-04-07 D72019103.07  1Z  A
1987-09-02 D62610 -8.36NGVD291Z  A
1987-09-02 D62611 -9.16NAVD881Z  A
1987-09-02 D72019104.47  1Z  A
1988-04-13 D62610 -8.44NGVD291Z  A
1988-04-13 D62611 -9.24NAVD881Z  A
1988-04-13 D72019104.55  1Z  A
1988-09-22 D62610 -10.69NGVD291Z  A
1988-09-22 D62611 -11.49NAVD881Z  A
1988-09-22 D72019106.80  1Z  A
1989-04-19 D62610 -10.47NGVD291Z  A
1989-04-19 D62611 -11.27NAVD881Z  A
1989-04-19 D72019106.58  1Z  A
1989-09-20 D62610 -10.69NGVD291Z  A
1989-09-20 D62611 -11.49NAVD881Z  A
1989-09-20 D72019106.80  1Z  A
1990-04-12 D62610 -11.79NGVD291Z  A
1990-04-12 D62611 -12.59NAVD881Z  A
1990-04-12 D72019107.90  1Z  A
1990-09-21 D62610 -12.19NGVD291Z  A
1990-09-21 D62611 -12.99NAVD881Z  A
1990-09-21 D72019108.30  1Z  A
1991-04-10 D62610 -12.39NGVD291Z  A
1991-04-10 D62611 -13.19NAVD881Z  A
1991-04-10 D72019108.50  1Z  A
1991-09-06 D62610 -13.55NGVD291Z  A
1991-09-06 D62611 -14.35NAVD881Z  A
1991-09-06 D72019109.66  1Z  A
1992-04-17 D62610 -14.17NGVD291Z  A
1992-04-17 D62611 -14.97NAVD881Z  A
1992-04-17 D72019110.28  1Z  A
1992-09-23 D62610 -15.29NGVD291Z  A
1992-09-23 D62611 -16.09NAVD881Z  A
1992-09-23 D72019111.40  1Z  A
1993-09-09 D62610 -16.55NGVD291Z  A
1993-09-09 D62611 -17.35NAVD881Z  A
1993-09-09 D72019112.66  1Z  A
1994-04-29 D62610 -17.58NGVD291Z  A
1994-04-29 D62611 -18.38NAVD881Z  A
1994-04-29 D72019113.69  1Z  A
1994-09-06 D62610 -18.05NGVD291Z  A
1994-09-06 D62611 -18.85NAVD881Z  A
1994-09-06 D72019114.16  1Z  A
1995-05-11 D62610 -18.71NGVD291Z  A
1995-05-11 D62611 -19.51NAVD881Z  A
1995-05-11 D72019114.82  1Z  A
1995-09-19 D62610 -20.02NGVD291Z  A
1995-09-19 D62611 -20.82NAVD881Z  A
1995-09-19 D72019116.13  1Z  A
1996-04-11 D62610 -20.57NGVD291Z  A
1996-04-11 D62611 -21.37NAVD881Z  A
1996-04-11 D72019116.68  1Z  A
1996-09-13 D62610 -20.84NGVD291Z  A
1996-09-13 D62611 -21.64NAVD881Z  A
1996-09-13 D72019116.95  1Z  A
1997-04-09 D62610 -21.94NGVD291Z  A
1997-04-09 D62611 -22.74NAVD881Z  A
1997-04-09 D72019118.05  1Z  A
1997-08-26 D62610 -22.41NGVD291Z  A
1997-08-26 D62611 -23.21NAVD881Z  A
1997-08-26 D72019118.52  1Z  A
1998-09-17 D62610 -24.31NGVD291Z  A
1998-09-17 D62611 -25.11NAVD881Z  A
1998-09-17 D72019120.42  1Z  A
1999-04-29 D62610 -25.23NGVD291Z  A
1999-04-29 D62611 -26.03NAVD881Z  A
1999-04-29 D72019121.34  1Z  A
1999-09-03 D62610 -26.61NGVD291Z  A
1999-09-03 D62611 -27.41NAVD881Z  A
1999-09-03 D72019122.72  1Z  A
2000-04-19 D62610 -27.09NGVD291Z  A
2000-04-19 D62611 -27.89NAVD881Z  A
2000-04-19 D72019123.20  1Z  A
2000-09-27 D62610 -27.31NGVD291Z  A
2000-09-27 D62611 -28.11NAVD881Z  A
2000-09-27 D72019123.42  1Z  A
2001-04-12 D62610 -27.56NGVD291Z  A
2001-04-12 D62611 -28.36NAVD881Z  A
2001-04-12 D72019123.67  1Z  A
2001-10-05 D62610 -28.88NGVD291Z  A
2001-10-05 D62611 -29.68NAVD881Z  A
2001-10-05 D72019124.99  1Z  A
2002-04-26 D62610 -29.57NGVD291TUSGSSA
2002-04-26 D62611 -30.37NAVD881TUSGSSA
2002-04-26 D72019125.68  1TUSGSSA
2002-09-13 D62610 -31.15NGVD291TUSGSSA
2002-09-13 D62611 -31.95NAVD881TUSGSSA
2002-09-13 D72019127.26  1TUSGSSA
2002-09-25 D62610 -31.41NGVD291TUSGSSA
2002-09-25 D62611 -32.21NAVD881TUSGSSA
2002-09-25 D72019127.52  1TUSGSSA
2003-04-23 D62610 -31.77NGVD291TUSGSSA
2003-04-23 D62611 -32.57NAVD881TUSGSSA
2003-04-23 D72019127.88  1TUSGSSA
2003-09-10 D62610 -32.07NGVD291TUSGSSA
2003-09-10 D62611 -32.87NAVD881TUSGSSA
2003-09-10 D72019128.18  1TUSGSSA
2004-04-14 D62610 -31.65NGVD291TUSGSSA
2004-04-14 D62611 -32.45NAVD881TUSGSSA
2004-04-14 D72019127.76  1TUSGSSA
2004-09-28 D62610 -32.35NGVD291TUSGSSA
2004-09-28 D62611 -33.15NAVD881TUSGSSA
2004-09-28 D72019128.46  1TUSGSSA
2005-09-21 D62610 -33.83NGVD291TUSGSSA
2005-09-21 D62611 -34.63NAVD881TUSGSSA
2005-09-21 D72019129.94  1TUSGSSA
2006-05-17 D62610 -33.84NGVD291TUSGSSA
2006-05-17 D62611 -34.64NAVD881TUSGSSA
2006-05-17 D72019129.95  1TUSGSSA
2006-09-22 D62610 -34.90NGVD291TUSGSSA
2006-09-22 D62611 -35.70NAVD881TUSGSSA
2006-09-22 D72019131.01  1TUSGSSA
2007-04-25 D62610 -35.37NGVD291TUSGSSA
2007-04-25 D62611 -36.17NAVD881TUSGSSA
2007-04-25 D72019131.48  1TUSGSSA
2007-09-20 D62610 -37.03NGVD291TUSGSSA
2007-09-20 D62611 -37.83NAVD881TUSGSSA
2007-09-20 D72019133.14  1TUSGSSA
2008-04-23 D62610 -37.60NGVD291TUSGSSA
2008-04-23 D62611 -38.40NAVD881TUSGSSA
2008-04-23 D72019133.71  1TUSGSSA
2008-09-17 D62610 -38.26NGVD291TUSGSSA
2008-09-17 D62611 -39.06NAVD881TUSGSSA
2008-09-17 D72019134.37  1TUSGSSA
2009-04-23 D62610 -37.91NGVD291TUSGSSA
2009-04-23 D62611 -38.71NAVD881TUSGSSA
2009-04-23 D72019134.02  1TUSGSSA
2009-09-21 D62610 -38.13NGVD291TUSGSSA
2009-09-21 D62611 -38.93NAVD881TUSGSSA
2009-09-21 D72019134.24  1TUSGSSA
2010-04-29 D62610 -37.48NGVD291TUSGSSA
2010-04-29 D62611 -38.28NAVD881TUSGSSA
2010-04-29 D72019133.59  1TUSGSSA
2010-09-1521:10 UTCm62610 -38.77NGVD291TUSGSSA
2010-09-1521:10 UTCm62611 -39.57NAVD881TUSGSSA
2010-09-1521:10 UTCm72019134.88  1TUSGSSA
2011-04-2514:37 UTCm62610 -38.59NGVD291TUSGSSA
2011-04-2514:37 UTCm62611 -39.39NAVD881TUSGSSA
2011-04-2514:37 UTCm72019134.70  1TUSGSSA
2011-09-2018:49 UTCm62610 -39.08NGVD291TUSGSSA
2011-09-2018:49 UTCm62611 -39.88NAVD881TUSGSSA
2011-09-2018:49 UTCm72019135.19  1TUSGSSA
2012-04-2413:28 UTCm62610 -38.86NGVD291TUSGSSA
2012-04-2413:28 UTCm62611 -39.66NAVD881TUSGSSA
2012-04-2413:28 UTCm72019134.97  1TUSGSSA
2012-08-3018:37 UTCm62610 -39.57NGVD291TUSGSSA
2012-08-3018:37 UTCm62611 -40.37NAVD881TUSGSSA
2012-08-3018:37 UTCm72019135.68  1TUSGSSA
2013-04-2317:50 UTCm62610 -39.47NGVD291TUSGSSA
2013-04-2317:50 UTCm62611 -40.27NAVD881TUSGSSA
2013-04-2317:50 UTCm72019135.58  1TUSGSSA
2013-08-3018:55 UTCm62610 -39.60NGVD291TUSGSSA
2013-08-3018:55 UTCm62611 -40.40NAVD881TUSGSSA
2013-08-3018:55 UTCm72019135.71  1TUSGSSA
2014-04-2418:59 UTCm62610 -39.68NGVD291TUSGSSA
2014-04-2418:59 UTCm62611 -40.48NAVD881TUSGSSA
2014-04-2418:59 UTCm72019135.79  1TUSGSSA
2014-08-2611:50 UTCm62610 -39.84NGVD291TUSGSSA
2014-08-2611:50 UTCm62611 -40.64NAVD881TUSGSSA
2014-08-2611:50 UTCm72019135.95  1TUSGSSA
2015-04-0217:55 UTCm62610 -39.96NGVD291TUSGSSA
2015-04-0217:55 UTCm62611 -40.76NAVD881TUSGSSA
2015-04-0217:55 UTCm72019136.07  1TUSGSSA
2015-08-2711:55 UTCm62610 -40.25NGVD291TUSGSSA
2015-08-2711:55 UTCm62611 -41.05NAVD881TUSGSSA
2015-08-2711:55 UTCm72019136.36  1TUSGSSA
2016-04-2113:43 UTCm62610 -40.10NGVD291TUSGSSA
2016-04-2113:43 UTCm62611 -40.90NAVD881TUSGSSA
2016-04-2113:43 UTCm72019136.21  1TUSGSSA
2016-09-3015:07 UTCm62610 -40.49NGVD291TUSGSSA
2016-09-3015:07 UTCm62611 -41.29NAVD881TUSGSSA
2016-09-3015:07 UTCm72019136.60  1TUSGSSA
2017-04-2615:14 UTCm62610 -40.57NGVD291TUSGSSA
2017-04-2615:14 UTCm62611 -41.37NAVD881TUSGSSA
2017-04-2615:14 UTCm72019136.68  1TUSGSSA
2017-09-2916:08 UTCm62610 -40.95NGVD291TUSGSSA
2017-09-2916:08 UTCm62611 -41.75NAVD881TUSGSSA
2017-09-2916:08 UTCm72019137.06  1TUSGSSA
2018-04-2016:36 UTCm62610 -40.65NGVD291VUSGSSA
2018-04-2016:36 UTCm62611 -41.45NAVD881VUSGSSA
2018-04-2016:36 UTCm72019136.76  1VUSGSSA
2018-09-2018:22 UTCm62610 -39.97NGVD291VUSGSSA
2018-09-2018:22 UTCm62611 -40.77NAVD881VUSGSSA
2018-09-2018:22 UTCm72019136.08  1VUSGSSA
2019-04-2515:11 UTCm62610 -39.45NGVD291TUSGSSA
2019-04-2515:11 UTCm62611 -40.25NAVD881TUSGSSA
2019-04-2515:11 UTCm72019135.56  1TUSGSSA
2019-09-2014:56 UTCm62610 -39.86NGVD291VUSGSSA
2019-09-2014:56 UTCm62611 -40.66NAVD881VUSGSSA
2019-09-2014:56 UTCm72019135.97  1VUSGSSA
2020-04-2914:15 UTCm62610 -39.34NGVD291VUSGSSA
2020-04-2914:15 UTCm62611 -40.14NAVD881VUSGSSA
2020-04-2914:15 UTCm72019135.45  1VUSGSSA
2020-09-2514:45 UTCm62610 -39.82NGVD291VUSGSSA
2020-09-2514:45 UTCm62611 -40.62NAVD881VUSGSSA
2020-09-2514:45 UTCm72019135.93  1VUSGSSA
2021-04-2814:07 UTCm62610 -39.10NGVD291VUSGSSA
2021-04-2814:07 UTCm62611 -39.90NAVD881VUSGSSA
2021-04-2814:07 UTCm72019135.21  1VUSGSSA
2021-09-2315:23 UTCm62610 -39.19NGVD291VUSGSSA
2021-09-2315:23 UTCm62611 -39.99NAVD881VUSGSSA
2021-09-2315:23 UTCm72019135.30  1VUSGSSA
2022-04-2014:16 UTCm62610 -39.64NGVD291VUSGSSA
2022-04-2014:16 UTCm62611 -40.44NAVD881VUSGSSA
2022-04-2014:16 UTCm72019135.75  1VUSGSSA
2022-09-2714:42 UTCm62610 -40.13NGVD291VUSGSSA
2022-09-2714:42 UTCm62611 -40.93NAVD881VUSGSSA
2022-09-2714:42 UTCm72019136.24  1VUSGSSA
2023-04-1312:55 UTCm62610 -39.78NGVD291VUSGSSA
2023-04-1312:55 UTCm62611 -40.58NAVD881VUSGSSA
2023-04-1312:55 UTCm72019135.89  1VUSGSSA
2023-09-1414:10 UTCm62610 -40.23NGVD291VUSGSSA
2023-09-1414:10 UTCm62611 -41.03NAVD881VUSGSSA
2023-09-1414:10 UTCm72019136.34  1VUSGSSA
2024-04-1013:39 UTCm62610 -39.10NGVD291VUSGSSP
2024-04-1013:39 UTCm62611 -39.90NAVD881VUSGSSP
2024-04-1013:39 UTCm72019135.21  1VUSGSSP

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 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.
Water-level approval statusPProvisional data subject to revision.