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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 381626076393401
Minimum number of levels = 1
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USGS 381626076393401 SM Dd 72

St. Mary'S County, Maryland
Latitude  38°16'26.4", Longitude  76°39'34.6" NAD83
Land-surface elevation 109.99 feet above NAVD88
The depth of the well is 1,340 feet below land surface.
The depth of the hole is 1,650 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 Lower Patapsco Aquifer In the Patapsco Formation (217PPSCL) local aquifer.
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Water
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feet
below
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feet
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specific
vertical
datum
Referenced
vertical
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2001-05-25 D62610 -18.51NGVD291TUSGSSA
2001-05-25 D62611 -19.43NAVD881TUSGSSA
2001-05-25 D72019129.42  1TUSGSSA
2001-06-05 D62610 -18.59NGVD291TUSGSSA
2001-06-05 D62611 -19.51NAVD881TUSGSSA
2001-06-05 D72019129.50  1TUSGSSA
2001-06-29 D62610 -18.95NGVD291TUSGSSA
2001-06-29 D62611 -19.87NAVD881TUSGSSA
2001-06-29 D72019129.86  1TUSGSSA
2001-07-02 D62610 -19.06NGVD291TUSGSSA
2001-07-02 D62611 -19.98NAVD881TUSGSSA
2001-07-02 D72019129.97  1TUSGSSA
2001-07-11 D62610 -18.86NGVD291TUSGSSA
2001-07-11 D62611 -19.78NAVD881TUSGSSA
2001-07-11 D72019129.77  1TUSGSSA
2001-07-18 D62610 -19.05NGVD291TUSGSSA
2001-07-18 D62611 -19.97NAVD881TUSGSSA
2001-07-18 D72019129.96  1TUSGSSA
2001-07-26 D62610 -19.14NGVD291TUSGSSA
2001-07-26 D62611 -20.06NAVD881TUSGSSA
2001-07-26 D72019130.05  1TUSGSSA
2001-08-08 D62610 -19.20NGVD291TUSGSSA
2001-08-08 D62611 -20.12NAVD881TUSGSSA
2001-08-08 D72019130.11  1TUSGSSA
2001-08-29 D62610 -19.12NGVD291TUSGSSA
2001-08-29 D62611 -20.04NAVD881TUSGSSA
2001-08-29 D72019130.03  1TUSGSSA
2001-09-12 D62610 -19.34NGVD291TUSGSSA
2001-09-12 D62611 -20.26NAVD881TUSGSSA
2001-09-12 D72019130.25  1TUSGSSA
2001-09-27 D62610 -19.30NGVD291TUSGSSA
2001-09-27 D62611 -20.22NAVD881TUSGSSA
2001-09-27 D72019130.21  1TUSGSSA
2001-10-30 D62610 -19.78NGVD291TUSGSSA
2001-10-30 D62611 -20.70NAVD881TUSGSSA
2001-10-30 D72019130.69  1TUSGSSA
2001-11-2815:38 UTCm62610 -19.81NGVD291Z  A
2001-11-2815:38 UTCm62611 -20.73NAVD881Z  A
2001-11-2815:38 UTCm72019130.72  1Z  A
2001-12-19 D62610 -19.73NGVD291TUSGSSA
2001-12-19 D62611 -20.65NAVD881TUSGSSA
2001-12-19 D72019130.64  1TUSGSSA
2002-01-08 D62610 -20.03NGVD291TUSGSSA
2002-01-08 D62611 -20.95NAVD881TUSGSSA
2002-01-08 D72019130.94  1TUSGSSA
2002-01-30 D62610 -19.83NGVD291TUSGSSA
2002-01-30 D62611 -20.75NAVD881TUSGSSA
2002-01-30 D72019130.74  1TUSGSSA
2002-02-2715:40 UTCm62610 -20.08NGVD291TUSGSSA
2002-02-2715:40 UTCm62611 -21.00NAVD881TUSGSSA
2002-02-2715:40 UTCm72019130.99  1TUSGSSA
2002-03-26 D62610 -20.06NGVD291TUSGSSA
2002-03-26 D62611 -20.98NAVD881TUSGSSA
2002-03-26 D72019130.97  1TUSGSSA
2002-04-30 D62610 -20.35NGVD291TUSGSSA
2002-04-30 D62611 -21.27NAVD881TUSGSSA
2002-04-30 D72019131.26  1TUSGSSA
2002-05-29 D62610 -20.53NGVD291TUSGSSA
2002-05-29 D62611 -21.45NAVD881TUSGSSA
2002-05-29 D72019131.44  1TUSGSSA
2002-06-26 D62610 -20.75NGVD291TUSGSSA
2002-06-26 D62611 -21.67NAVD881TUSGSSA
2002-06-26 D72019131.66  1TUSGSSA
2002-07-30 D62610 -20.84NGVD291TUSGSSA
2002-07-30 D62611 -21.76NAVD881TUSGSSA
2002-07-30 D72019131.75  1TUSGSSA
2002-08-29 D62610 -21.01NGVD291TUSGSSA
2002-08-29 D62611 -21.93NAVD881TUSGSSA
2002-08-29 D72019131.92  1TUSGSSA
2002-09-24 D62610 -21.08NGVD291TUSGSSA
2002-09-24 D62611 -22.00NAVD881TUSGSSA
2002-09-24 D72019131.99  1TUSGSSA
2002-10-31 D62610 -21.14NGVD291TUSGSSA
2002-10-31 D62611 -22.06NAVD881TUSGSSA
2002-10-31 D72019132.05  1TUSGSSA
2002-11-25 D62610 -21.41NGVD291TUSGSSA
2002-11-25 D62611 -22.33NAVD881TUSGSSA
2002-11-25 D72019132.32  1TUSGSSA
2002-12-20 D62610 -20.87NGVD291TUSGSSA
2002-12-20 D62611 -21.79NAVD881TUSGSSA
2002-12-20 D72019131.78  1TUSGSSA
2003-01-30 D62610 -21.63NGVD291TUSGSSA
2003-01-30 D62611 -22.55NAVD881TUSGSSA
2003-01-30 D72019132.54  1TUSGSSA
2003-02-27 D62610 -21.31NGVD291TUSGSSA
2003-02-27 D62611 -22.23NAVD881TUSGSSA
2003-02-27 D72019132.22  1TUSGSSA
2003-03-27 D62610 -21.53NGVD291TUSGSSA
2003-03-27 D62611 -22.45NAVD881TUSGSSA
2003-03-27 D72019132.44  1TUSGSSA
2003-04-24 D62610 -21.61NGVD291TUSGSSA
2003-04-24 D62611 -22.53NAVD881TUSGSSA
2003-04-24 D72019132.52  1TUSGSSA
2003-05-29 D62610 -21.54NGVD291TUSGSSA
2003-05-29 D62611 -22.46NAVD881TUSGSSA
2003-05-29 D72019132.45  1TUSGSSA
2003-06-25 D62610 -21.65NGVD291TUSGSSA
2003-06-25 D62611 -22.57NAVD881TUSGSSA
2003-06-25 D72019132.56  1TUSGSSA
2003-07-24 D62610 -22.03NGVD291TUSGSSA
2003-07-24 D62611 -22.95NAVD881TUSGSSA
2003-07-24 D72019132.94  1TUSGSSA
2003-08-28 D62610 -22.08NGVD291TUSGSSA
2003-08-28 D62611 -23.00NAVD881TUSGSSA
2003-08-28 D72019132.99  1TUSGSSA
2003-09-25 D62610 -21.85NGVD291TUSGSSA
2003-09-25 D62611 -22.77NAVD881TUSGSSA
2003-09-25 D72019132.76  1TUSGSSA
2003-10-28 D62610 -22.17NGVD291TUSGSSA
2003-10-28 D62611 -23.09NAVD881TUSGSSA
2003-10-28 D72019133.08  1TUSGSSA
2003-11-20 D62610 -22.21NGVD291TUSGSSA
2003-11-20 D62611 -23.13NAVD881TUSGSSA
2003-11-20 D72019133.12  1TUSGSSA
2003-12-16 D62610 -22.45NGVD291TUSGSSA
2003-12-16 D62611 -23.37NAVD881TUSGSSA
2003-12-16 D72019133.36  1TUSGSSA
2004-01-15 D62610 -22.48NGVD291TUSGSSA
2004-01-15 D62611 -23.40NAVD881TUSGSSA
2004-01-15 D72019133.39  1TUSGSSA
2004-02-12 D62610 -22.75NGVD291TUSGSSA
2004-02-12 D62611 -23.67NAVD881TUSGSSA
2004-02-12 D72019133.66  1TUSGSSA
2004-03-17 D62610 -22.52NGVD291TUSGSSA
2004-03-17 D62611 -23.44NAVD881TUSGSSA
2004-03-17 D72019133.43  1TUSGSSA
2004-04-15 D62610 -22.88NGVD291TUSGSSA
2004-04-15 D62611 -23.80NAVD881TUSGSSA
2004-04-15 D72019133.79  1TUSGSSA
2004-06-01 D62610 -22.87NGVD291TUSGSSA
2004-06-01 D62611 -23.79NAVD881TUSGSSA
2004-06-01 D72019133.78  1TUSGSSA
2004-06-25 D62610 -23.01NGVD291TUSGSSA
2004-06-25 D62611 -23.93NAVD881TUSGSSA
2004-06-25 D72019133.92  1TUSGSSA
2004-09-29 D62610 -23.25NGVD291TUSGSSA
2004-09-29 D62611 -24.17NAVD881TUSGSSA
2004-09-29 D72019134.16  1TUSGSSA
2004-10-06 D62610 -23.52NGVD291TUSGSSA
2004-10-06 D62611 -24.44NAVD881TUSGSSA
2004-10-06 D72019134.43  1TUSGSSA
2004-11-23 D62610 -23.30NGVD291TUSGSSA
2004-11-23 D62611 -24.22NAVD881TUSGSSA
2004-11-23 D72019134.21  1TUSGSSA
2004-12-15 D62610 -23.91NGVD291TUSGSSA
2004-12-15 D62611 -24.83NAVD881TUSGSSA
2004-12-15 D72019134.82  1TUSGSSA
2005-01-20 D62610 -23.62NGVD291TUSGSSA
2005-01-20 D62611 -24.54NAVD881TUSGSSA
2005-01-20 D72019134.53  1TUSGSSA
2005-02-16 D62610 -23.75NGVD291TUSGSSA
2005-02-16 D62611 -24.67NAVD881TUSGSSA
2005-02-16 D72019134.66  1TUSGSSA
2005-03-24 D62610 -23.68NGVD291TUSGSSA
2005-03-24 D62611 -24.60NAVD881TUSGSSA
2005-03-24 D72019134.59  1TUSGSSA
2005-04-22 D62610 -23.69NGVD291TUSGSSA
2005-04-22 D62611 -24.61NAVD881TUSGSSA
2005-04-22 D72019134.60  1TUSGSSA
2005-05-17 D62610 -24.07NGVD291TUSGSSA
2005-05-17 D62611 -24.99NAVD881TUSGSSA
2005-05-17 D72019134.98  1TUSGSSA
2005-06-22 D62610 -24.28NGVD291TUSGSSA
2005-06-22 D62611 -25.20NAVD881TUSGSSA
2005-06-22 D72019135.19  1TUSGSSA
2005-07-26 D62610 -24.46NGVD291TUSGSSA
2005-07-26 D62611 -25.38NAVD881TUSGSSA
2005-07-26 D72019135.37  1TUSGSSA
2005-08-22 D62610 -24.47NGVD291TUSGSSA
2005-08-22 D62611 -25.39NAVD881TUSGSSA
2005-08-22 D72019135.38  1TUSGSSA
2005-09-22 D62610 -24.89NGVD291TUSGSSA
2005-09-22 D62611 -25.81NAVD881TUSGSSA
2005-09-22 D72019135.80  1TUSGSSA
2006-04-20 D62610 -25.40NGVD291TUSGSSA
2006-04-20 D62611 -26.32NAVD881TUSGSSA
2006-04-20 D72019136.31  1TUSGSSA
2006-09-21 D62610 -25.86NGVD291TUSGSSA
2006-09-21 D62611 -26.78NAVD881TUSGSSA
2006-09-21 D72019136.77  1TUSGSSA
2007-04-19 D62610 -26.33NGVD291TUSGSSA
2007-04-19 D62611 -27.25NAVD881TUSGSSA
2007-04-19 D72019137.24  1TUSGSSA
2007-08-29 D62610 -27.38NGVD291TUSGSSA
2007-08-29 D62611 -28.30NAVD881TUSGSSA
2007-08-29 D72019138.29  1TUSGSSA
2008-04-1717:50 UTCm62610 -28.29NGVD291TUSGSSA
2008-04-1717:50 UTCm62611 -29.21NAVD881TUSGSSA
2008-04-1717:50 UTCm72019139.20  1TUSGSSA
2008-09-0420:30 UTCm62610 -28.95NGVD291TUSGSSA
2008-09-0420:30 UTCm62611 -29.87NAVD881TUSGSSA
2008-09-0420:30 UTCm72019139.86  1TUSGSSA
2009-04-28 D62610 -29.85NGVD291TUSGSSA
2009-04-28 D62611 -30.77NAVD881TUSGSSA
2009-04-28 D72019140.76  1TUSGSSA
2010-04-27 D62610 -30.25NGVD291TUSGSSA
2010-04-27 D62611 -31.17NAVD881TUSGSSA
2010-04-27 D72019141.16  1TUSGSSA
2010-09-15 D62610 -31.52NGVD291TUSGSSA
2010-09-15 D62611 -32.44NAVD881TUSGSSA
2010-09-15 D72019142.43  1TUSGSSA
2011-04-2818:47 UTCm62610 -31.83NGVD291TUSGSSA
2011-04-2818:47 UTCm62611 -32.75NAVD881TUSGSSA
2011-04-2818:47 UTCm72019142.74  1TUSGSSA
2011-09-3018:59 UTCm62610 -32.17NGVD291TUSGSSA
2011-09-3018:59 UTCm62611 -33.09NAVD881TUSGSSA
2011-09-3018:59 UTCm72019143.08  1TUSGSSA
2012-04-1016:38 UTCm62610 -33.12NGVD291TUSGSSA
2012-04-1016:38 UTCm62611 -34.04NAVD881TUSGSSA
2012-04-1016:38 UTCm72019144.03  1TUSGSSA
2012-09-1218:55 UTCm62610 -33.75NGVD291TUSGSSA
2012-09-1218:55 UTCm62611 -34.67NAVD881TUSGSSA
2012-09-1218:55 UTCm72019144.66  1TUSGSSA
2013-04-1619:54 UTCm62610 -34.25NGVD291TUSGSSA
2013-04-1619:54 UTCm62611 -35.17NAVD881TUSGSSA
2013-04-1619:54 UTCm72019145.16  1TUSGSSA
2013-09-1719:11 UTCm62610 -34.87NGVD291TUSGSSA
2013-09-1719:11 UTCm62611 -35.79NAVD881TUSGSSA
2013-09-1719:11 UTCm72019145.78  1TUSGSSA
2014-04-1520:26 UTCm62610 -34.89NGVD291TUSGSSA
2014-04-1520:26 UTCm62611 -35.81NAVD881TUSGSSA
2014-04-1520:26 UTCm72019145.80  1TUSGSSA
2014-09-0217:19 UTCm62610 -35.82NGVD291TUSGSSA
2014-09-0217:19 UTCm62611 -36.74NAVD881TUSGSSA
2014-09-0217:19 UTCm72019146.73  1TUSGSSA
2015-04-1318:39 UTCm62610 -36.45NGVD291TUSGSSA
2015-04-1318:39 UTCm62611 -37.37NAVD881TUSGSSA
2015-04-1318:39 UTCm72019147.36  1TUSGSSA
2015-09-1421:20 UTCm62610 -36.93NGVD291TUSGSSA
2015-09-1421:20 UTCm62611 -37.85NAVD881TUSGSSA
2015-09-1421:20 UTCm72019147.84  1TUSGSSA
2016-04-1820:02 UTCm62610 -37.05NGVD291TUSGSSA
2016-04-1820:02 UTCm62611 -37.97NAVD881TUSGSSA
2016-04-1820:02 UTCm72019147.96  1TUSGSSA
2016-09-2119:47 UTCm62610 -37.69NGVD291TUSGSSA
2016-09-2119:47 UTCm62611 -38.61NAVD881TUSGSSA
2016-09-2119:47 UTCm72019148.60  1TUSGSSA
2017-04-1920:29 UTCm62610 -38.22NGVD291TUSGSSA
2017-04-1920:29 UTCm62611 -39.14NAVD881TUSGSSA
2017-04-1920:29 UTCm72019149.13  1TUSGSSA
2017-09-2020:12 UTCm62610 -38.21NGVD291TUSGSSA
2017-09-2020:12 UTCm62611 -39.13NAVD881TUSGSSA
2017-09-2020:12 UTCm72019149.12  1TUSGSSA
2018-04-1915:10 UTCm62610 -38.90NGVD291VUSGSSA
2018-04-1915:10 UTCm62611 -39.82NAVD881VUSGSSA
2018-04-1915:10 UTCm72019149.81  1VUSGSSA
2018-09-1118:24 UTCm62610 -39.17NGVD291TUSGSSA
2018-09-1118:24 UTCm62611 -40.09NAVD881TUSGSSA
2018-09-1118:24 UTCm72019150.08  1TUSGSSA
2019-04-2418:49 UTCm62610 -39.63NGVD291VUSGSSA
2019-04-2418:49 UTCm62611 -40.55NAVD881VUSGSSA
2019-04-2418:49 UTCm72019150.54  1VUSGSSA
2019-09-1017:20 UTCm62610 -40.23NGVD291VUSGSSA
2019-09-1017:20 UTCm62611 -41.15NAVD881VUSGSSA
2019-09-1017:20 UTCm72019151.14  1VUSGSSA
2020-05-0115:44 UTCm62610 -40.21NGVD291VUSGSSA
2020-05-0115:44 UTCm62611 -41.13NAVD881VUSGSSA
2020-05-0115:44 UTCm72019151.12  1VUSGSSA
2020-09-0315:30 UTCm62610 -40.64NGVD291VUSGSSA
2020-09-0315:30 UTCm62611 -41.56NAVD881VUSGSSA
2020-09-0315:30 UTCm72019151.55  1VUSGSSA
2021-04-1416:15 UTCm62610 -41.12NGVD291VUSGSSA
2021-04-1416:15 UTCm62611 -42.04NAVD881VUSGSSA
2021-04-1416:15 UTCm72019152.03  1VUSGSSA
2021-09-1514:59 UTCm62610 -41.47NGVD291VUSGSSA
2021-09-1514:59 UTCm62611 -42.39NAVD881VUSGSSA
2021-09-1514:59 UTCm72019152.38  1VUSGSSA
2022-04-2116:04 UTCm62610 -42.17NGVD291VUSGSSA
2022-04-2116:04 UTCm62611 -43.09NAVD881VUSGSSA
2022-04-2116:04 UTCm72019153.08  1VUSGSSA
2022-09-0613:31 UTCm62610 -42.17NGVD291VUSGSSA
2022-09-0613:31 UTCm62611 -43.09NAVD881VUSGSSA
2022-09-0613:31 UTCm72019153.08  1VUSGSSA
2023-04-1216:46 UTCm62610 -42.49NGVD291VUSGSSA
2023-04-1216:46 UTCm62611 -43.41NAVD881VUSGSSA
2023-04-1216:46 UTCm72019153.40  1VUSGSSA
2023-09-1315:04 UTCm62610 -42.75NGVD291VUSGSSA
2023-09-1315:04 UTCm62611 -43.67NAVD881VUSGSSA
2023-09-1315:04 UTCm72019153.66  1VUSGSSA
2024-04-0913:34 UTCm62610 -42.72NGVD291VUSGSSA
2024-04-0913:34 UTCm62611 -43.64NAVD881VUSGSSA
2024-04-0913:34 UTCm72019153.63  1VUSGSSA
2024-09-1115:10 UTCm62610 -43.54NGVD291VUSGSSP
2024-09-1115:10 UTCm62611 -44.46NAVD881VUSGSSP
2024-09-1115:10 UTCm72019154.45  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 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.