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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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  • 383053076382101
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USGS 383053076382101 CA Db 40

Calvert County, Maryland
Latitude  38°30'55.0", Longitude  76°38'23.0" NAD83
Land-surface elevation 23.38 feet above NGVD29
The depth of the well is 448 feet below land surface.
The depth of the hole is 740 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 Aquia Formation (125AQUI) 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
1971-11-17 D62610 5.38NGVD291L  A
1971-11-17 D62611 4.53NAVD881L  A
1971-11-17 D7201918.00  1L  A
1974-04-19 D62610 5.20NGVD291Z  A
1974-04-19 D62611 4.35NAVD881Z  A
1974-04-19 D7201918.18  1Z  A
1974-09-18 D62610 4.59NGVD291Z  A
1974-09-18 D62611 3.74NAVD881Z  A
1974-09-18 D7201918.79  1Z  A
1975-04-04 D62610 4.26NGVD291Z  A
1975-04-04 D62611 3.41NAVD881Z  A
1975-04-04 D7201919.12  1Z  A
1976-11-04 D62610 -7.36NGVD291Z  A
1976-11-04 D62611 -8.21NAVD881Z  A
1976-11-04 D7201930.74  1Z  A
1977-04-12 D62610 -0.08NGVD29PZ  A
1977-04-12 D62611 -0.93NAVD88PZ  A
1977-04-12 D7201923.46  PZ  A
1977-09-13 D62610 -1.53NGVD29PZ  A
1977-09-13 D62611 -2.38NAVD88PZ  A
1977-09-13 D7201924.91  PZ  A
1978-04-10 D62610 -1.20NGVD29PZ  A
1978-04-10 D62611 -2.05NAVD88PZ  A
1978-04-10 D7201924.58  PZ  A
1978-09-28 D62610 -3.71NGVD29PZ  A
1978-09-28 D62611 -4.56NAVD88PZ  A
1978-09-28 D7201927.09  PZ  A
1979-03-22 D62610 -4.87NGVD291Z  A
1979-03-22 D62611 -5.72NAVD881Z  A
1979-03-22 D7201928.25  1Z  A
1979-09-10 D62610 -4.89NGVD291Z  A
1979-09-10 D62611 -5.74NAVD881Z  A
1979-09-10 D7201928.27  1Z  A
1980-03-17 D62610 -13.02NGVD291Z  A
1980-03-17 D62611 -13.87NAVD881Z  A
1980-03-17 D7201936.40  1Z  A
1980-08-22 D62610 -7.42NGVD291Z  A
1980-08-22 D62611 -8.27NAVD881Z  A
1980-08-22 D7201930.80  1Z  A
1981-04-06 D62610 -7.59NGVD291Z  A
1981-04-06 D62611 -8.44NAVD881Z  A
1981-04-06 D7201930.97  1Z  A
1981-09-10 D62610 -9.29NGVD291Z  A
1981-09-10 D62611 -10.14NAVD881Z  A
1981-09-10 D7201932.67  1Z  A
1982-03-31 D62610 -9.20NGVD291Z  A
1982-03-31 D62611 -10.05NAVD881Z  A
1982-03-31 D7201932.58  1Z  A
1982-09-03 D62610 -14.38NGVD291Z  A
1982-09-03 D62611 -15.23NAVD881Z  A
1982-09-03 D7201937.76  1Z  A
1983-03-31 D62610 -10.45NGVD291Z  A
1983-03-31 D62611 -11.30NAVD881Z  A
1983-03-31 D7201933.83  1Z  A
1983-09-09 D62610 -13.27NGVD291Z  A
1983-09-09 D62611 -14.12NAVD881Z  A
1983-09-09 D7201936.65  1Z  A
1984-04-03 D62610 -12.91NGVD291Z  A
1984-04-03 D62611 -13.76NAVD881Z  A
1984-04-03 D7201936.29  1Z  A
1984-09-05 D62610 -14.62NGVD291Z  A
1984-09-05 D62611 -15.47NAVD881Z  A
1984-09-05 D7201938.00  1Z  A
1985-03-26 D62610 -15.30NGVD291Z  A
1985-03-26 D62611 -16.15NAVD881Z  A
1985-03-26 D7201938.68  1Z  A
1985-09-19 D62610 -25.91NGVD29PZ  A
1985-09-19 D62611 -26.76NAVD88PZ  A
1985-09-19 D7201949.29  PZ  A
1986-03-31 D62610 -17.37NGVD291Z  A
1986-03-31 D62611 -18.22NAVD881Z  A
1986-03-31 D7201940.75  1Z  A
1986-09-17 D62610 -20.11NGVD291Z  A
1986-09-17 D62611 -20.96NAVD881Z  A
1986-09-17 D7201943.49  1Z  A
1987-04-08 D62610 -19.49NGVD291Z  A
1987-04-08 D62611 -20.34NAVD881Z  A
1987-04-08 D7201942.87  1Z  A
1987-09-02 D62610 -23.77NGVD291Z  A
1987-09-02 D62611 -24.62NAVD881Z  A
1987-09-02 D7201947.15  1Z  A
1988-04-27 D62610 -21.89NGVD291Z  A
1988-04-27 D62611 -22.74NAVD881Z  A
1988-04-27 D7201945.27  1Z  A
1988-09-23 D62610 -25.48NGVD291Z  A
1988-09-23 D62611 -26.33NAVD881Z  A
1988-09-23 D7201948.86  1Z  A
1989-04-19 D62610 -25.11NGVD291Z  A
1989-04-19 D62611 -25.96NAVD881Z  A
1989-04-19 D7201948.49  1Z  A
1989-09-21 D62610 -26.06NGVD291Z  A
1989-09-21 D62611 -26.91NAVD881Z  A
1989-09-21 D7201949.44  1Z  A
1990-04-17 D62610 -26.74NGVD291Z  A
1990-04-17 D62611 -27.59NAVD881Z  A
1990-04-17 D7201950.12  1Z  A
1990-09-20 D62610 -28.45NGVD291Z  A
1990-09-20 D62611 -29.30NAVD881Z  A
1990-09-20 D7201951.83  1Z  A
1991-04-11 D62610 -28.58NGVD291Z  A
1991-04-11 D62611 -29.43NAVD881Z  A
1991-04-11 D7201951.96  1Z  A
1991-09-10 D62610 -31.12NGVD291Z  A
1991-09-10 D62611 -31.97NAVD881Z  A
1991-09-10 D7201954.50  1Z  A
1992-04-08 D62610 -30.98NGVD291Z  A
1992-04-08 D62611 -31.83NAVD881Z  A
1992-04-08 D7201954.36  1Z  A
1992-09-16 D62610 -33.62NGVD291Z  A
1992-09-16 D62611 -34.47NAVD881Z  A
1992-09-16 D7201957.00  1Z  A
1993-04-21 D62610 -32.38NGVD291Z  A
1993-04-21 D62611 -33.23NAVD881Z  A
1993-04-21 D7201955.76  1Z  A
1993-09-10 D62610 -37.42NGVD291Z  A
1993-09-10 D62611 -38.27NAVD881Z  A
1993-09-10 D7201960.80  1Z  A
1994-04-26 D62610 -36.17NGVD291Z  A
1994-04-26 D62611 -37.02NAVD881Z  A
1994-04-26 D7201959.55  1Z  A
1994-09-21 D62610 -40.57NGVD291Z  A
1994-09-21 D62611 -41.42NAVD881Z  A
1994-09-21 D7201963.95  1Z  A
1995-05-24 D62610 -39.82NGVD291Z  A
1995-05-24 D62611 -40.67NAVD881Z  A
1995-05-24 D7201963.20  1Z  A
1995-09-20 D62610 -44.26NGVD291Z  A
1995-09-20 D62611 -45.11NAVD881Z  A
1995-09-20 D7201967.64  1Z  A
1996-04-24 D62610 -41.99NGVD291Z  A
1996-04-24 D62611 -42.84NAVD881Z  A
1996-04-24 D7201965.37  1Z  A
1996-10-02 D62610 -44.47NGVD291Z  A
1996-10-02 D62611 -45.32NAVD881Z  A
1996-10-02 D7201967.85  1Z  A
1997-04-25 D62610 -42.58NGVD291Z  A
1997-04-25 D62611 -43.43NAVD881Z  A
1997-04-25 D7201965.96  1Z  A
1997-09-24 D62610 -48.02NGVD291Z  A
1997-09-24 D62611 -48.87NAVD881Z  A
1997-09-24 D7201971.40  1Z  A
1998-04-28 D62610 -45.81NGVD291Z  A
1998-04-28 D62611 -46.66NAVD881Z  A
1998-04-28 D7201969.19  1Z  A
1998-09-18 D62610 -51.78NGVD291Z  A
1998-09-18 D62611 -52.63NAVD881Z  A
1998-09-18 D7201975.16  1Z  A
1999-04-30 D62610 -49.90NGVD291Z  A
1999-04-30 D62611 -50.75NAVD881Z  A
1999-04-30 D7201973.28  1Z  A
1999-09-09 D62610 -54.87NGVD291Z  A
1999-09-09 D62611 -55.72NAVD881Z  A
1999-09-09 D7201978.25  1Z  A
2000-10-03 D62610 -56.12NGVD291Z  A
2000-10-03 D62611 -56.97NAVD881Z  A
2000-10-03 D7201979.50  1Z  A
2001-04-17 D62610 -52.79NGVD291Z  A
2001-04-17 D62611 -53.64NAVD881Z  A
2001-04-17 D7201976.17  1Z  A
2001-09-28 D62610 -57.02NGVD291Z  A
2001-09-28 D62611 -57.87NAVD881Z  A
2001-09-28 D7201980.40  1Z  A
2002-04-10 D62610 -55.49NGVD291TUSGSSA
2002-04-10 D62611 -56.34NAVD881TUSGSSA
2002-04-10 D7201978.87  1TUSGSSA
2002-09-11 D62610 -62.78NGVD291TUSGSSA
2002-09-11 D62611 -63.63NAVD881TUSGSSA
2002-09-11 D7201986.16  1TUSGSSA
2003-04-16 D62610 -59.51NGVD291SUSGSSA
2003-04-16 D62611 -60.36NAVD881SUSGSSA
2003-04-16 D7201982.89  1SUSGSSA
2003-09-10 D62610 -61.14NGVD291SUSGSSA
2003-09-10 D62611 -61.99NAVD881SUSGSSA
2003-09-10 D7201984.52  1SUSGSSA
2004-04-19 D62610 -59.52NGVD291SUSGSSA
2004-04-19 D62611 -60.37NAVD881SUSGSSA
2004-04-19 D7201982.90  1SUSGSSA
2004-09-22 D62610 -61.10NGVD291SUSGSSA
2004-09-22 D62611 -61.95NAVD881SUSGSSA
2004-09-22 D7201984.48  1SUSGSSA
2005-09-23 D62610 -66.88NGVD291SUSGSSA
2005-09-23 D62611 -67.73NAVD881SUSGSSA
2005-09-23 D7201990.26  1SUSGSSA
2006-09-21 D62610 -67.78NGVD291SUSGSSA
2006-09-21 D62611 -68.63NAVD881SUSGSSA
2006-09-21 D7201991.16  1SUSGSSA
2007-09-18 D62610 -75.42NGVD291SUSGSSA
2007-09-18 D62611 -76.27NAVD881SUSGSSA
2007-09-18 D7201998.80  1SUSGSSA
2008-09-24 D62610 -74.10NGVD291SMD006AA
2008-09-24 D62611 -74.95NAVD881SMD006AA
2008-09-24 D7201997.48  1SMD006AA
2010-10-0813:20 UTCm62610 -74.69NGVD291SMD006AA
2010-10-0813:20 UTCm62611 -75.54NAVD881SMD006AA
2010-10-0813:20 UTCm7201998.07  1SMD006AA
2011-09-3014:00 UTCm62610 -73.06NGVD291SMD006AA
2011-09-3014:00 UTCm62611 -73.91NAVD881SMD006AA
2011-09-3014:00 UTCm7201996.44  1SMD006AA
2012-04-1813:35 UTCm62610 -70.96NGVD291SMD006AA
2012-04-1813:35 UTCm62611 -71.81NAVD881SMD006AA
2012-04-1813:35 UTCm7201994.34  1SMD006AA
2012-09-1217:20 UTCm62610 -75.86NGVD291SMD006AA
2012-09-1217:20 UTCm62611 -76.71NAVD881SMD006AA
2012-09-1217:20 UTCm7201999.24  1SMD006AA
2013-04-1017:30 UTCm62610 -77.83NGVD291SMD006AA
2013-04-1017:30 UTCm62611 -78.68NAVD881SMD006AA
2013-04-1017:30 UTCm72019101.21  1SMD006AA
2013-09-2015:10 UTCm62610 -77.00NGVD291SMD006AA
2013-09-2015:10 UTCm62611 -77.85NAVD881SMD006AA
2013-09-2015:10 UTCm72019100.38  1SMD006AA
2014-09-2313:42 UTCm62610 -77.63NGVD291SMD006AA
2014-09-2313:42 UTCm62611 -78.48NAVD881SMD006AA
2014-09-2313:42 UTCm72019101.01  1SMD006AA
2015-09-1113:27 UTCm62610 -78.49NGVD291SMD006AA
2015-09-1113:27 UTCm62611 -79.34NAVD881SMD006AA
2015-09-1113:27 UTCm72019101.87  1SMD006AA
2016-09-0913:37 UTCm62610 -78.28NGVD291SMD006AA
2016-09-0913:37 UTCm62611 -79.13NAVD881SMD006AA
2016-09-0913:37 UTCm72019101.66  1SMD006AA
2017-09-1514:00 UTCm62610 -74.41NGVD291SMD006AA
2017-09-1514:00 UTCm62611 -75.26NAVD881SMD006AA
2017-09-1514:00 UTCm7201997.79  1SMD006AA
2018-09-1913:35 UTCm62610 -79.80NGVD291SMD006AA
2018-09-1913:35 UTCm62611 -80.65NAVD881SMD006AA
2018-09-1913:35 UTCm72019103.18  1SMD006AA
2019-09-0514:16 UTCm62610 -74.35NGVD291SMD006AA
2019-09-0514:16 UTCm62611 -75.20NAVD881SMD006AA
2019-09-0514:16 UTCm7201997.73  1SMD006AA
2020-09-2215:05 UTCm62610 -71.84NGVD291SMD006AA
2020-09-2215:05 UTCm62611 -72.69NAVD881SMD006AA
2020-09-2215:05 UTCm7201995.22  1SMD006AA
2021-09-2021:45 UTCm62610 -80.56NGVD291SMD006AA
2021-09-2021:45 UTCm62611 -81.41NAVD881SMD006AA
2021-09-2021:45 UTCm72019103.94  1SMD006AA
2022-10-0713:41 UTCm62610 -72.72NGVD291SMD006AA
2022-10-0713:41 UTCm62611 -73.57NAVD881SMD006AA
2022-10-0713:41 UTCm7201996.10  1SMD006AA
2023-09-2715:31 UTCm62610 -72.13NGVD291SMD006AA
2023-09-2715:31 UTCm62611 -72.98NAVD881SMD006AA
2023-09-2715:31 UTCm7201995.51  1SMD006AA

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.