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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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  • 383934076320201
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USGS 383934076320201 CA Cc 55

Calvert County, Maryland
Latitude  38°39'35.9", Longitude  76°31'58.3" NAD83
Land-surface elevation 104 feet above NAVD88
The depth of the well is 868 feet below land surface.
The depth of the hole is 1,018 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 Upper Patapsco Aquifer In the Patapsco Formation (217PPSCU) 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
1974-01-28 D62610 20.80NGVD291L  A
1974-01-28 D62611 20.00NAVD881L  A
1974-01-28 D7201984.00  1L  A
1974-09-18 D62610 23.90NGVD291Z  A
1974-09-18 D62611 23.10NAVD881Z  A
1974-09-18 D7201980.90  1Z  A
1975-04-11 D62610 23.46NGVD291Z  A
1975-04-11 D62611 22.66NAVD881Z  A
1975-04-11 D7201981.34  1Z  A
1975-09-12 D62610 23.20NGVD291Z  A
1975-09-12 D62611 22.40NAVD881Z  A
1975-09-12 D7201981.60  1Z  A
1976-09-13 D62610 21.60NGVD291Z  A
1976-09-13 D62611 20.80NAVD881Z  A
1976-09-13 D7201983.20  1Z  A
1977-04-12 D62610 20.95NGVD291Z  A
1977-04-12 D62611 20.15NAVD881Z  A
1977-04-12 D7201983.85  1Z  A
1977-09-13 D62610 20.37NGVD291Z  A
1977-09-13 D62611 19.57NAVD881Z  A
1977-09-13 D7201984.43  1Z  A
1978-04-10 D62610 20.17NGVD291Z  A
1978-04-10 D62611 19.37NAVD881Z  A
1978-04-10 D7201984.63  1Z  A
1978-09-28 D62610 19.60NGVD291Z  A
1978-09-28 D62611 18.80NAVD881Z  A
1978-09-28 D7201985.20  1Z  A
1979-03-22 D62610 19.06NGVD291Z  A
1979-03-22 D62611 18.26NAVD881Z  A
1979-03-22 D7201985.74  1Z  A
1979-09-10 D62610 18.80NGVD291Z  A
1979-09-10 D62611 18.00NAVD881Z  A
1979-09-10 D7201986.00  1Z  A
1980-08-26 D62610 17.46NGVD291Z  A
1980-08-26 D62611 16.66NAVD881Z  A
1980-08-26 D7201987.34  1Z  A
1981-04-06 D62610 16.30NGVD291Z  A
1981-04-06 D62611 15.50NAVD881Z  A
1981-04-06 D7201988.50  1Z  A
1981-09-14 D62610 15.95NGVD291Z  A
1981-09-14 D62611 15.15NAVD881Z  A
1981-09-14 D7201988.85  1Z  A
1982-03-31 D62610 15.23NGVD291Z  A
1982-03-31 D62611 14.43NAVD881Z  A
1982-03-31 D7201989.57  1Z  A
1982-09-27 D62610 14.76NGVD291Z  A
1982-09-27 D62611 13.96NAVD881Z  A
1982-09-27 D7201990.04  1Z  A
1983-04-08 D62610 14.07NGVD291Z  A
1983-04-08 D62611 13.27NAVD881Z  A
1983-04-08 D7201990.73  1Z  A
1983-08-18 D62610 14.04NGVD291S  A
1983-08-18 D62611 13.24NAVD881S  A
1983-08-18 D7201990.76  1S  A
1984-04-09 D62610 12.64NGVD291Z  A
1984-04-09 D62611 11.84NAVD881Z  A
1984-04-09 D7201992.16  1Z  A
1984-09-10 D62610 12.21NGVD291Z  A
1984-09-10 D62611 11.41NAVD881Z  A
1984-09-10 D7201992.59  1Z  A
1985-03-26 D62610 11.47NGVD291Z  A
1985-03-26 D62611 10.67NAVD881Z  A
1985-03-26 D7201993.33  1Z  A
1985-09-11 D62610 10.96NGVD291Z  A
1985-09-11 D62611 10.16NAVD881Z  A
1985-09-11 D7201993.84  1Z  A
1986-03-31 D62610 10.57NGVD291Z  A
1986-03-31 D62611 9.77NAVD881Z  A
1986-03-31 D7201994.23  1Z  A
1986-09-12 D62610 10.04NGVD291Z  A
1986-09-12 D62611 9.24NAVD881Z  A
1986-09-12 D7201994.76  1Z  A
1987-04-07 D62610 9.94NGVD291Z  A
1987-04-07 D62611 9.14NAVD881Z  A
1987-04-07 D7201994.86  1Z  A
1987-09-02 D62610 9.06NGVD291Z  A
1987-09-02 D62611 8.26NAVD881Z  A
1987-09-02 D7201995.74  1Z  A
1988-04-13 D62610 9.16NGVD291Z  A
1988-04-13 D62611 8.36NAVD881Z  A
1988-04-13 D7201995.64  1Z  A
1988-09-22 D62610 7.65NGVD291Z  A
1988-09-22 D62611 6.85NAVD881Z  A
1988-09-22 D7201997.15  1Z  A
1989-04-19 D62610 7.57NGVD291Z  A
1989-04-19 D62611 6.77NAVD881Z  A
1989-04-19 D7201997.23  1Z  A
1989-09-20 D62610 7.43NGVD291Z  A
1989-09-20 D62611 6.63NAVD881Z  A
1989-09-20 D7201997.37  1Z  A
1990-04-12 D62610 6.53NGVD291Z  A
1990-04-12 D62611 5.73NAVD881Z  A
1990-04-12 D7201998.27  1Z  A
1990-09-21 D62610 6.15NGVD291Z  A
1990-09-21 D62611 5.35NAVD881Z  A
1990-09-21 D7201998.65  1Z  A
1991-04-10 D62610 5.94NGVD291Z  A
1991-04-10 D62611 5.14NAVD881Z  A
1991-04-10 D7201998.86  1Z  A
1991-09-06 D62610 4.91NGVD291Z  A
1991-09-06 D62611 4.11NAVD881Z  A
1991-09-06 D7201999.89  1Z  A
1992-04-17 D62610 4.46NGVD291Z  A
1992-04-17 D62611 3.66NAVD881Z  A
1992-04-17 D72019100.34  1Z  A
1992-09-23 D62610 3.66NGVD291Z  A
1992-09-23 D62611 2.86NAVD881Z  A
1992-09-23 D72019101.14  1Z  A
1993-09-09 D62610 2.97NGVD291Z  A
1993-09-09 D62611 2.17NAVD881Z  A
1993-09-09 D72019101.83  1Z  A
1994-04-29 D62610 2.10NGVD291Z  A
1994-04-29 D62611 1.30NAVD881Z  A
1994-04-29 D72019102.70  1Z  A
1994-09-06 D62610 1.80NGVD291Z  A
1994-09-06 D62611 1.00NAVD881Z  A
1994-09-06 D72019103.00  1Z  A
1995-05-11 D62610 1.28NGVD291Z  A
1995-05-11 D62611 0.48NAVD881Z  A
1995-05-11 D72019103.52  1Z  A
1995-09-19 D62610 0.20NGVD291Z  A
1995-09-19 D62611 -0.60NAVD881Z  A
1995-09-19 D72019104.60  1Z  A
1996-04-11 D62610 -0.24NGVD291Z  A
1996-04-11 D62611 -1.04NAVD881Z  A
1996-04-11 D72019105.04  1Z  A
1996-09-13 D62610 -0.25NGVD291Z  A
1996-09-13 D62611 -1.05NAVD881Z  A
1996-09-13 D72019105.05  1Z  A
1997-04-09 D62610 -1.05NGVD291Z  A
1997-04-09 D62611 -1.85NAVD881Z  A
1997-04-09 D72019105.85  1Z  A
1997-08-26 D62610 -1.35NGVD291Z  A
1997-08-26 D62611 -2.15NAVD881Z  A
1997-08-26 D72019106.15  1Z  A
1998-09-17 D62610 -2.82NGVD291Z  A
1998-09-17 D62611 -3.62NAVD881Z  A
1998-09-17 D72019107.62  1Z  A
1999-04-29 D62610 -3.50NGVD291Z  A
1999-04-29 D62611 -4.30NAVD881Z  A
1999-04-29 D72019108.30  1Z  A
1999-09-03 D62610 -4.36NGVD291Z  A
1999-09-03 D62611 -5.16NAVD881Z  A
1999-09-03 D72019109.16  1Z  A
2000-04-19 D62610 -4.59NGVD291Z  A
2000-04-19 D62611 -5.39NAVD881Z  A
2000-04-19 D72019109.39  1Z  A
2000-09-27 D62610 -4.43NGVD291Z  A
2000-09-27 D62611 -5.23NAVD881Z  A
2000-09-27 D72019109.23  1Z  A
2001-04-12 D62610 -4.76NGVD291Z  A
2001-04-12 D62611 -5.56NAVD881Z  A
2001-04-12 D72019109.56  1Z  A
2001-10-05 D62610 -5.64NGVD291Z  A
2001-10-05 D62611 -6.44NAVD881Z  A
2001-10-05 D72019110.44  1Z  A
2002-04-26 D62610 -5.41NGVD291TUSGSSA
2002-04-26 D62611 -6.21NAVD881TUSGSSA
2002-04-26 D72019110.21  1TUSGSSA
2002-09-13 D62610 -7.28NGVD291TUSGSSA
2002-09-13 D62611 -8.08NAVD881TUSGSSA
2002-09-13 D72019112.08  1TUSGSSA
2002-09-25 D62610 -7.52NGVD291TUSGSSA
2002-09-25 D62611 -8.32NAVD881TUSGSSA
2002-09-25 D72019112.32  1TUSGSSA
2003-04-23 D62610 -7.63NGVD291TUSGSSA
2003-04-23 D62611 -8.43NAVD881TUSGSSA
2003-04-23 D72019112.43  1TUSGSSA
2003-09-10 D62610 -7.72NGVD291TUSGSSA
2003-09-10 D62611 -8.52NAVD881TUSGSSA
2003-09-10 D72019112.52  1TUSGSSA
2004-04-14 D62610 -7.31NGVD291TUSGSSA
2004-04-14 D62611 -8.11NAVD881TUSGSSA
2004-04-14 D72019112.11  1TUSGSSA
2004-09-28 D62610 -7.77NGVD291TUSGSSA
2004-09-28 D62611 -8.57NAVD881TUSGSSA
2004-09-28 D72019112.57  1TUSGSSA
2005-04-21 D62610 -8.03NGVD291TUSGSSA
2005-04-21 D62611 -8.83NAVD881TUSGSSA
2005-04-21 D72019112.83  1TUSGSSA
2005-09-21 D62610 -8.98NGVD291TUSGSSA
2005-09-21 D62611 -9.78NAVD881TUSGSSA
2005-09-21 D72019113.78  1TUSGSSA
2006-04-19 D62610 -9.40NGVD291TUSGSSA
2006-04-19 D62611 -10.20NAVD881TUSGSSA
2006-04-19 D72019114.20  1TUSGSSA
2006-09-22 D62610 -9.92NGVD291TUSGSSA
2006-09-22 D62611 -10.72NAVD881TUSGSSA
2006-09-22 D72019114.72  1TUSGSSA
2007-04-25 D62610 -10.51NGVD291TUSGSSA
2007-04-25 D62611 -11.31NAVD881TUSGSSA
2007-04-25 D72019115.31  1TUSGSSA
2007-09-20 D62610 -11.47NGVD291TUSGSSA
2007-09-20 D62611 -12.27NAVD881TUSGSSA
2007-09-20 D72019116.27  1TUSGSSA
2008-04-23 D62610 -12.08NGVD291TUSGSSA
2008-04-23 D62611 -12.88NAVD881TUSGSSA
2008-04-23 D72019116.88  1TUSGSSA
2008-09-17 D62610 -12.28NGVD291TUSGSSA
2008-09-17 D62611 -13.08NAVD881TUSGSSA
2008-09-17 D72019117.08  1TUSGSSA
2009-04-23 D62610 -12.31NGVD291TUSGSSA
2009-04-23 D62611 -13.11NAVD881TUSGSSA
2009-04-23 D72019117.11  1TUSGSSA
2009-09-21 D62610 -12.51NGVD291TUSGSSA
2009-09-21 D62611 -13.31NAVD881TUSGSSA
2009-09-21 D72019117.31  1TUSGSSA
2010-04-29 D62610 -12.34NGVD291TUSGSSA
2010-04-29 D62611 -13.14NAVD881TUSGSSA
2010-04-29 D72019117.14  1TUSGSSA
2010-09-1521:09 UTCm62610 -13.14NGVD291TUSGSSA
2010-09-1521:09 UTCm62611 -13.94NAVD881TUSGSSA
2010-09-1521:09 UTCm72019117.94  1TUSGSSA
2011-04-2514:43 UTCm62610 -13.35NGVD291TUSGSSA
2011-04-2514:43 UTCm62611 -14.15NAVD881TUSGSSA
2011-04-2514:43 UTCm72019118.15  1TUSGSSA
2011-09-2018:50 UTCm62610 -13.61NGVD291TUSGSSA
2011-09-2018:50 UTCm62611 -14.41NAVD881TUSGSSA
2011-09-2018:50 UTCm72019118.41  1TUSGSSA
2012-04-2413:27 UTCm62610 -13.76NGVD291TUSGSSA
2012-04-2413:27 UTCm62611 -14.56NAVD881TUSGSSA
2012-04-2413:27 UTCm72019118.56  1TUSGSSA
2012-08-3018:43 UTCm62610 -14.44NGVD291TUSGSSA
2012-08-3018:43 UTCm62611 -15.24NAVD881TUSGSSA
2012-08-3018:43 UTCm72019119.24  1TUSGSSA
2013-04-2318:00 UTCm62610 -15.08NGVD291TUSGSSA
2013-04-2318:00 UTCm62611 -15.88NAVD881TUSGSSA
2013-04-2318:00 UTCm72019119.88  1TUSGSSA
2013-08-3019:02 UTCm62610 -15.22NGVD291TUSGSSA
2013-08-3019:02 UTCm62611 -16.02NAVD881TUSGSSA
2013-08-3019:02 UTCm72019120.02  1TUSGSSA
2014-04-2419:06 UTCm62610 -15.77NGVD291TUSGSSA
2014-04-2419:06 UTCm62611 -16.57NAVD881TUSGSSA
2014-04-2419:06 UTCm72019120.57  1TUSGSSA
2014-08-2611:43 UTCm62610 -15.89NGVD291TUSGSSA
2014-08-2611:43 UTCm62611 -16.69NAVD881TUSGSSA
2014-08-2611:43 UTCm72019120.69  1TUSGSSA
2015-04-0218:02 UTCm62610 -16.14NGVD291TUSGSSA
2015-04-0218:02 UTCm62611 -16.94NAVD881TUSGSSA
2015-04-0218:02 UTCm72019120.94  1TUSGSSA
2015-08-2712:05 UTCm62610 -16.40NGVD291TUSGSSA
2015-08-2712:05 UTCm62611 -17.20NAVD881TUSGSSA
2015-08-2712:05 UTCm72019121.20  1TUSGSSA
2016-04-2113:48 UTCm62610 -16.89NGVD291TUSGSSA
2016-04-2113:48 UTCm62611 -17.69NAVD881TUSGSSA
2016-04-2113:48 UTCm72019121.69  1TUSGSSA
2016-09-3015:18 UTCm62610 -17.17NGVD291TUSGSSA
2016-09-3015:18 UTCm62611 -17.97NAVD881TUSGSSA
2016-09-3015:18 UTCm72019121.97  1TUSGSSA
2017-04-2615:28 UTCm62610 -17.38NGVD291TUSGSSA
2017-04-2615:28 UTCm62611 -18.18NAVD881TUSGSSA
2017-04-2615:28 UTCm72019122.18  1TUSGSSA
2017-09-2916:12 UTCm62610 -17.63NGVD291TUSGSSA
2017-09-2916:12 UTCm62611 -18.43NAVD881TUSGSSA
2017-09-2916:12 UTCm72019122.43  1TUSGSSA
2018-04-2016:40 UTCm62610 -17.84NGVD291VUSGSSA
2018-04-2016:40 UTCm62611 -18.64NAVD881VUSGSSA
2018-04-2016:40 UTCm72019122.64  1VUSGSSA
2018-09-2018:29 UTCm62610 -17.38NGVD291VUSGSSA
2018-09-2018:29 UTCm62611 -18.18NAVD881VUSGSSA
2018-09-2018:29 UTCm72019122.18  1VUSGSSA
2019-04-2516:16 UTCm62610 -17.27NGVD291TUSGSSA
2019-04-2516:16 UTCm62611 -18.07NAVD881TUSGSSA
2019-04-2516:16 UTCm72019122.07  1TUSGSSA
2019-09-2015:10 UTCm62610 -17.28NGVD291VUSGSSA
2019-09-2015:10 UTCm62611 -18.08NAVD881VUSGSSA
2019-09-2015:10 UTCm72019122.08  1VUSGSSA
2020-04-2914:30 UTCm62610 -16.93NGVD291VUSGSSA
2020-04-2914:30 UTCm62611 -17.73NAVD881VUSGSSA
2020-04-2914:30 UTCm72019121.73  1VUSGSSA
2020-09-2514:52 UTCm62610 -17.14NGVD291VUSGSSA
2020-09-2514:52 UTCm62611 -17.94NAVD881VUSGSSA
2020-09-2514:52 UTCm72019121.94  1VUSGSSA
2021-04-2814:28 UTCm62610 -16.97NGVD291VUSGSSA
2021-04-2814:28 UTCm62611 -17.77NAVD881VUSGSSA
2021-04-2814:28 UTCm72019121.77  1VUSGSSA
2021-09-2315:11 UTCm62610 -13.86NGVD291VUSGSSA
2021-09-2315:11 UTCm62611 -14.66NAVD881VUSGSSA
2021-09-2315:11 UTCm72019118.66  1VUSGSSA
2022-04-2014:34 UTCm62610 -17.57NGVD291VUSGSSA
2022-04-2014:34 UTCm62611 -18.37NAVD881VUSGSSA
2022-04-2014:34 UTCm72019122.37  1VUSGSSA
2022-09-2714:29 UTCm62610 -17.57NGVD291VUSGSSA
2022-09-2714:29 UTCm62611 -18.37NAVD881VUSGSSA
2022-09-2714:29 UTCm72019122.37  1VUSGSSA
2023-04-1312:50 UTCm62610 -17.57NGVD291VUSGSSA
2023-04-1312:50 UTCm62611 -18.37NAVD881VUSGSSA
2023-04-1312:50 UTCm72019122.37  1VUSGSSA
2023-09-1414:26 UTCm62610 -17.92NGVD291VUSGSSA
2023-09-1414:26 UTCm62611 -18.72NAVD881VUSGSSA
2023-09-1414:26 UTCm72019122.72  1VUSGSSA
2024-04-1013:48 UTCm62610 -17.34NGVD291VUSGSSP
2024-04-1013:48 UTCm62611 -18.14NAVD881VUSGSSP
2024-04-1013:48 UTCm72019122.14  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.