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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 384458076375501
Minimum number of levels = 1
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USGS 384458076375501 CA Bb 23

Calvert County, Maryland
Latitude  38°44'57.4", Longitude  76°37'58.7" NAD83
Land-surface elevation 146.86 feet above NGVD29
The depth of the well is 552 feet below land surface.
The depth of the hole is 562 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 Aquifer (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
1970-08-11 D62610 11.86NGVD291L  A
1970-08-11 D62611 10.93NAVD881L  A
1970-08-11 D72019135.00  1L  A
1974-08-07 D62610 12.96NGVD291Z  A
1974-08-07 D62611 12.03NAVD881Z  A
1974-08-07 D72019133.90  1Z  A
1975-05-13 D62610 15.23NGVD291Z  A
1975-05-13 D62611 14.30NAVD881Z  A
1975-05-13 D72019131.63  1Z  A
1975-09-12 D62610 13.80NGVD291Z  A
1975-09-12 D62611 12.87NAVD881Z  A
1975-09-12 D72019133.06  1Z  A
1976-04-09 D62610 14.64NGVD291Z  A
1976-04-09 D62611 13.71NAVD881Z  A
1976-04-09 D72019132.22  1Z  A
1976-09-13 D62610 11.47NGVD291Z  A
1976-09-13 D62611 10.54NAVD881Z  A
1976-09-13 D72019135.39  1Z  A
1977-09-13 D62610 9.59NGVD291Z  A
1977-09-13 D62611 8.66NAVD881Z  A
1977-09-13 D72019137.27  1Z  A
1978-04-10 D62610 9.70NGVD291Z  A
1978-04-10 D62611 8.77NAVD881Z  A
1978-04-10 D72019137.16  1Z  A
1978-09-28 D62610 9.87NGVD291Z  A
1978-09-28 D62611 8.94NAVD881Z  A
1978-09-28 D72019136.99  1Z  A
1979-03-22 D62610 11.64NGVD291Z  A
1979-03-22 D62611 10.71NAVD881Z  A
1979-03-22 D72019135.22  1Z  A
1979-09-10 D62610 10.87NGVD291Z  A
1979-09-10 D62611 9.94NAVD881Z  A
1979-09-10 D72019135.99  1Z  A
1980-03-17 D62610 9.45NGVD291Z  A
1980-03-17 D62611 8.52NAVD881Z  A
1980-03-17 D72019137.41  1Z  A
1980-08-25 D62610 6.74NGVD291Z  A
1980-08-25 D62611 5.81NAVD881Z  A
1980-08-25 D72019140.12  1Z  A
1981-04-09 D62610 5.46NGVD291Z  A
1981-04-09 D62611 4.53NAVD881Z  A
1981-04-09 D72019141.40  1Z  A
1981-09-10 D62610 6.86NGVD291Z  A
1981-09-10 D62611 5.93NAVD881Z  A
1981-09-10 D72019140.00  1Z  A
1982-03-31 D62610 7.17NGVD291Z  A
1982-03-31 D62611 6.24NAVD881Z  A
1982-03-31 D72019139.69  1Z  A
1982-09-03 D62610 4.95NGVD291Z  A
1982-09-03 D62611 4.02NAVD881Z  A
1982-09-03 D72019141.91  1Z  A
1983-03-31 D62610 5.50NGVD29PZ  A
1983-03-31 D62611 4.57NAVD88PZ  A
1983-03-31 D72019141.36  PZ  A
1983-09-13 D62610 1.75NGVD29PZ  A
1983-09-13 D62611 0.82NAVD88PZ  A
1983-09-13 D72019145.11  PZ  A
1984-03-30 D62610 3.62NGVD29PZ  A
1984-03-30 D62611 2.69NAVD88PZ  A
1984-03-30 D72019143.24  PZ  A
1984-09-06 D62610 2.20NGVD291Z  A
1984-09-06 D62611 1.27NAVD881Z  A
1984-09-06 D72019144.66  1Z  A
1985-03-22 D62610 2.41NGVD291Z  A
1985-03-22 D62611 1.48NAVD881Z  A
1985-03-22 D72019144.45  1Z  A
1985-09-11 D62610 0.91NGVD29PZ  A
1985-09-11 D62611 -0.02NAVD88PZ  A
1985-09-11 D72019145.95  PZ  A
1986-03-25 D62610 1.03NGVD291Z  A
1986-03-25 D62611 0.10NAVD881Z  A
1986-03-25 D72019145.83  1Z  A
1986-09-10 D62610 -2.83NGVD291Z  A
1986-09-10 D62611 -3.76NAVD881Z  A
1986-09-10 D72019149.69  1Z  A
1987-04-07 D62610 0.17NGVD29PZ  A
1987-04-07 D62611 -0.76NAVD88PZ  A
1987-04-07 D72019146.69  PZ  A
1988-04-13 D62610 -1.62NGVD291Z  A
1988-04-13 D62611 -2.55NAVD881Z  A
1988-04-13 D72019148.48  1Z  A
1988-09-22 D62610 -3.80NGVD291Z  A
1988-09-22 D62611 -4.73NAVD881Z  A
1988-09-22 D72019150.66  1Z  A
1989-04-11 D62610 -1.55NGVD291Z  A
1989-04-11 D62611 -2.48NAVD881Z  A
1989-04-11 D72019148.41  1Z  A
1989-09-20 D62610 -2.96NGVD291Z  A
1989-09-20 D62611 -3.89NAVD881Z  A
1989-09-20 D72019149.82  1Z  A
1990-04-12 D62610 -2.52NGVD291Z  A
1990-04-12 D62611 -3.45NAVD881Z  A
1990-04-12 D72019149.38  1Z  A
1990-09-21 D62610 -4.63NGVD291Z  A
1990-09-21 D62611 -5.56NAVD881Z  A
1990-09-21 D72019151.49  1Z  A
1991-04-10 D62610 -3.11NGVD29PZ  A
1991-04-10 D62611 -4.04NAVD88PZ  A
1991-04-10 D72019149.97  PZ  A
1992-04-09 D62610 -5.90NGVD291Z  A
1992-04-09 D62611 -6.83NAVD881Z  A
1992-04-09 D72019152.76  1Z  A
1992-09-15 D62610 -7.08NGVD291Z  A
1992-09-15 D62611 -8.01NAVD881Z  A
1992-09-15 D72019153.94  1Z  A
1993-04-20 D62610 -6.09NGVD291Z  A
1993-04-20 D62611 -7.02NAVD881Z  A
1993-04-20 D72019152.95  1Z  A
1993-09-09 D62610 -10.13NGVD291Z  A
1993-09-09 D62611 -11.06NAVD881Z  A
1993-09-09 D72019156.99  1Z  A
1994-04-26 D62610 -7.40NGVD291Z  A
1994-04-26 D62611 -8.33NAVD881Z  A
1994-04-26 D72019154.26  1Z  A
1994-09-20 D62610 -10.88NGVD291Z  A
1994-09-20 D62611 -11.81NAVD881Z  A
1994-09-20 D72019157.74  1Z  A
1995-05-23 D62610 -8.66NGVD291Z  A
1995-05-23 D62611 -9.59NAVD881Z  A
1995-05-23 D72019155.52  1Z  A
1995-09-19 D62610 -12.01NGVD291Z  A
1995-09-19 D62611 -12.94NAVD881Z  A
1995-09-19 D72019158.87  1Z  A
1996-04-23 D62610 -9.44NGVD291Z  A
1996-04-23 D62611 -10.37NAVD881Z  A
1996-04-23 D72019156.30  1Z  A
1996-10-01 D62610 -10.15NGVD291Z  A
1996-10-01 D62611 -11.08NAVD881Z  A
1996-10-01 D72019157.01  1Z  A
1997-04-25 D62610 -9.21NGVD291Z  A
1997-04-25 D62611 -10.14NAVD881Z  A
1997-04-25 D72019156.07  1Z  A
1998-04-21 D62610 -10.27NGVD291Z  A
1998-04-21 D62611 -11.20NAVD881Z  A
1998-04-21 D72019157.13  1Z  A
1998-09-24 D62610 -15.61NGVD291Z  A
1998-09-24 D62611 -16.54NAVD881Z  A
1998-09-24 D72019162.47  1Z  A
1999-04-29 D62610 -12.76NGVD291Z  A
1999-04-29 D62611 -13.69NAVD881Z  A
1999-04-29 D72019159.62  1Z  A
1999-09-01 D62610 -16.13NGVD291Z  A
1999-09-01 D62611 -17.06NAVD881Z  A
1999-09-01 D72019162.99  1Z  A
2000-04-19 D62610 -13.21NGVD291Z  A
2000-04-19 D62611 -14.14NAVD881Z  A
2000-04-19 D72019160.07  1Z  A
2000-09-27 D62610 -13.08NGVD291Z  A
2000-09-27 D62611 -14.01NAVD881Z  A
2000-09-27 D72019159.94  1Z  A
2001-04-12 D62610 -13.22NGVD291Z  A
2001-04-12 D62611 -14.15NAVD881Z  A
2001-04-12 D72019160.08  1Z  A
2001-09-26 D62610 -15.85NGVD291Z  A
2001-09-26 D62611 -16.78NAVD881Z  A
2001-09-26 D72019162.71  1Z  A
2002-04-12 D62610 -15.59NGVD291TUSGSSA
2002-04-12 D62611 -16.52NAVD881TUSGSSA
2002-04-12 D72019162.45  1TUSGSSA
2002-09-10 D62610 -20.14NGVD291TUSGSSA
2002-09-10 D62611 -21.07NAVD881TUSGSSA
2002-09-10 D72019167.00  1TUSGSSA
2003-05-19 D62610 -16.66NGVD291SUSGSSA
2003-05-19 D62611 -17.59NAVD881SUSGSSA
2003-05-19 D72019163.52  1SUSGSSA
2003-09-09 D62610 -17.44NGVD291SUSGSSA
2003-09-09 D62611 -18.37NAVD881SUSGSSA
2003-09-09 D72019164.30  1SUSGSSA
2004-04-16 D62610 -16.67NGVD291SUSGSSA
2004-04-16 D62611 -17.60NAVD881SUSGSSA
2004-04-16 D72019163.53  1SUSGSSA
2004-09-21 D62610 -18.49NGVD291SUSGSSA
2004-09-21 D62611 -19.42NAVD881SUSGSSA
2004-09-21 D72019165.35  1SUSGSSA
2005-05-03 D62610 -15.65NGVD291SUSGSSA
2005-05-03 D62611 -16.58NAVD881SUSGSSA
2005-05-03 D72019162.51  1SUSGSSA
2005-09-23 D62610 -19.69NGVD291SUSGSSA
2005-09-23 D62611 -20.62NAVD881SUSGSSA
2005-09-23 D72019166.55  1SUSGSSA
2006-05-0514:10 UTCm62610 -18.47NGVD291TMD006AA
2006-05-0514:10 UTCm62611 -19.40NAVD881TMD006AA
2006-05-0514:10 UTCm72019165.33  1TMD006AA
2006-09-20 D62610 -20.23NGVD291SUSGSSA
2006-09-20 D62611 -21.16NAVD881SUSGSSA
2006-09-20 D72019167.09  1SUSGSSA
2007-09-17 D62610 -23.57NGVD291SUSGSSA
2007-09-17 D62611 -24.50NAVD881SUSGSSA
2007-09-17 D72019170.43  1SUSGSSA
2008-09-23 D62610 -23.21NGVD29PSMD006AA
2008-09-23 D62611 -24.14NAVD88PSMD006AA
2008-09-23 D72019170.07  PSMD006AA
2009-09-2513:12 UTCm62610 -21.26NGVD291SMD006AA
2009-09-2513:12 UTCm62611 -22.19NAVD881SMD006AA
2009-09-2513:12 UTCm72019168.12  1SMD006AA
2010-10-0713:03 UTCm62610 -22.09NGVD29PSMD006AA
2010-10-0713:03 UTCm62611 -23.02NAVD88PSMD006AA
2010-10-0713:03 UTCm72019168.95  PSMD006AA
2011-09-2214:06 UTCm62610 -22.51NGVD291SMD006AA
2011-09-2214:06 UTCm62611 -23.44NAVD881SMD006AA
2011-09-2214:06 UTCm72019169.37  1SMD006AA
2012-04-1717:12 UTCm62610 -21.18NGVD291SMD006AA
2012-04-1717:12 UTCm62611 -22.11NAVD881SMD006AA
2012-04-1717:12 UTCm72019168.04  1SMD006AA
2012-09-1218:50 UTCm62610 -22.99NGVD291SMD006AA
2012-09-1218:50 UTCm62611 -23.92NAVD881SMD006AA
2012-09-1218:50 UTCm72019169.85  1SMD006AA
2013-04-0914:00 UTCm62610 -20.63NGVD291SMD006AA
2013-04-0914:00 UTCm62611 -21.56NAVD881SMD006AA
2013-04-0914:00 UTCm72019167.49  1SMD006AA
2013-09-0413:57 UTCm62610 -23.49NGVD291SMD006AA
2013-09-0413:57 UTCm62611 -24.42NAVD881SMD006AA
2013-09-0413:57 UTCm72019170.35  1SMD006AA
2014-09-1913:50 UTCm62610 -24.28NGVD291SMD006AA
2014-09-1913:50 UTCm62611 -25.21NAVD881SMD006AA
2014-09-1913:50 UTCm72019171.14  1SMD006AA
2015-09-1012:15 UTCm62610 -24.23NGVD291SMD006AA
2015-09-1012:15 UTCm62611 -25.16NAVD881SMD006AA
2015-09-1012:15 UTCm72019171.09  1SMD006AA
2016-10-0614:05 UTCm62610 -23.24NGVD291SMD006AA
2016-10-0614:05 UTCm62611 -24.17NAVD881SMD006AA
2016-10-0614:05 UTCm72019170.10  1SMD006AA
2017-09-2213:36 UTCm62610 -23.21NGVD291SMD006AA
2017-09-2213:36 UTCm62611 -24.14NAVD881SMD006AA
2017-09-2213:36 UTCm72019170.07  1SMD006AA
2018-09-1112:37 UTCm62610 -22.66NGVD291SMD006AA
2018-09-1112:37 UTCm62611 -23.59NAVD881SMD006AA
2018-09-1112:37 UTCm72019169.52  1SMD006AA
2019-09-0414:14 UTCm62610 -21.84NGVD291SMD006AA
2019-09-0414:14 UTCm62611 -22.77NAVD881SMD006AA
2019-09-0414:14 UTCm72019168.70  1SMD006AA
2020-09-2113:40 UTCm62610 -21.42NGVD291SMD006AA
2020-09-2113:40 UTCm62611 -22.35NAVD881SMD006AA
2020-09-2113:40 UTCm72019168.28  1SMD006AA
2021-09-2013:41 UTCm62610 -20.17NGVD291SMD006AA
2021-09-2013:41 UTCm62611 -21.10NAVD881SMD006AA
2021-09-2013:41 UTCm72019167.03  1SMD006AA
2023-09-1813:15 UTCm62610 -20.11NGVD291SMD006AA
2023-09-1813:15 UTCm62611 -21.04NAVD881SMD006AA
2023-09-1813:15 UTCm72019166.97  1SMD006AA
2024-09-2317:58 UTCm62610 -24.10NGVD291SMD006AP
2024-09-2317:58 UTCm62611 -25.03NAVD881SMD006AP
2024-09-2317:58 UTCm72019170.96  1SMD006AP

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
StatusPPumping
Method of measurementLInterpreted from geophysical logs.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.
Water-level approval statusPProvisional data subject to revision.