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USGS 383809077053401 CH Bc 78

Charles County, Maryland
Latitude  38°38'09.8", Longitude  77°05'32.6" NAD83
Land-surface elevation 20.13 feet above NAVD88
The depth of the well is 800 feet below land surface.
The depth of the hole is 814 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 Patuxent Formation (217PTXN) local aquifer.
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code
Water
level,
feet
below
land
surface
Water
level,
feet
above
specific
vertical
datum
Referenced
vertical
datum
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Status
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measurement
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agency
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measurement
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Water-level
approval
status
1995-09-15 D62610 4.96NGVD291L  A
1995-09-15 D62611 4.13NAVD881L  A
1995-09-15 D7201916.00  1L  A
1996-11-05 D62610 2.09NGVD291S  A
1996-11-05 D62611 1.26NAVD881S  A
1996-11-05 D7201918.87  1S  A
1996-11-0719:20 UTCm62610 2.22NGVD291S  A
1996-11-0719:20 UTCm62611 1.39NAVD881S  A
1996-11-0719:20 UTCm7201918.74  1S  A
1996-11-1816:55 UTCm62610 2.26NGVD291S  A
1996-11-1816:55 UTCm62611 1.43NAVD881S  A
1996-11-1816:55 UTCm7201918.70  1S  A
1996-11-1919:18 UTCm62610 2.33NGVD291S  A
1996-11-1919:18 UTCm62611 1.50NAVD881S  A
1996-11-1919:18 UTCm7201918.63  1S  A
1996-11-1920:05 UTCm62610 2.32NGVD291S  A
1996-11-1920:05 UTCm62611 1.49NAVD881S  A
1996-11-1920:05 UTCm7201918.64  1S  A
1996-11-2019:37 UTCm62610 2.07NGVD291S  A
1996-11-2019:37 UTCm62611 1.24NAVD881S  A
1996-11-2019:37 UTCm7201918.89  1S  A
1996-11-2215:55 UTCm62610 0.94NGVD291S  A
1996-11-2215:55 UTCm62611 0.11NAVD881S  A
1996-11-2215:55 UTCm7201920.02  1S  A
1996-11-2216:20 UTCm62610 -0.04NGVD291S  A
1996-11-2216:20 UTCm62611 -0.87NAVD881S  A
1996-11-2216:20 UTCm7201921.00  1S  A
1996-11-2421:37 UTCm62610 -0.31NGVD291S  A
1996-11-2421:37 UTCm62611 -1.14NAVD881S  A
1996-11-2421:37 UTCm7201921.27  1S  A
1996-11-27 D62610 -1.28NGVD291S  A
1996-11-27 D62611 -2.11NAVD881S  A
1996-11-27 D7201922.24  1S  A
1996-12-02 D62610 -0.49NGVD291S  A
1996-12-02 D62611 -1.32NAVD881S  A
1996-12-02 D7201921.45  1S  A
1997-01-03 D62610 0.78NGVD291S  A
1997-01-03 D62611 -0.05NAVD881S  A
1997-01-03 D7201920.18  1S  A
1997-08-1418:37 UTCm62610 -9.43NGVD291S  A
1997-08-1418:37 UTCm62611 -10.26NAVD881S  A
1997-08-1418:37 UTCm7201930.39  1S  A
1997-10-2319:35 UTCm62610 -18.71NGVD29PS  A
1997-10-2319:35 UTCm62611 -19.54NAVD88PS  A
1997-10-2319:35 UTCm7201939.67  PS  A
1998-03-0620:02 UTCm62610 -7.10NGVD291S  A
1998-03-0620:02 UTCm62611 -7.93NAVD881S  A
1998-03-0620:02 UTCm7201928.06  1S  A
1998-10-1616:52 UTCm62610 -15.19NGVD291S  A
1998-10-1616:52 UTCm62611 -16.02NAVD881S  A
1998-10-1616:52 UTCm7201936.15  1S  A
1999-02-2417:00 UTCm62610 -13.44NGVD291S  A
1999-02-2417:00 UTCm62611 -14.27NAVD881S  A
1999-02-2417:00 UTCm7201934.40  1S  A
1999-03-1814:48 UTCm62610 -11.41NGVD291S  A
1999-03-1814:48 UTCm62611 -12.24NAVD881S  A
1999-03-1814:48 UTCm7201932.37  1S  A
1999-04-1216:35 UTCm62610 -12.50NGVD291S  A
1999-04-1216:35 UTCm62611 -13.33NAVD881S  A
1999-04-1216:35 UTCm7201933.46  1S  A
1999-05-1714:35 UTCm62610 -20.83NGVD291S  A
1999-05-1714:35 UTCm62611 -21.66NAVD881S  A
1999-05-1714:35 UTCm7201941.79  1S  A
1999-07-2014:40 UTCm62610 -24.16NGVD29 S  A
1999-07-2014:40 UTCm62611 -24.99NAVD88 S  A
1999-07-2014:40 UTCm7201945.12   S  A
1999-09-0818:35 UTCm62610 -18.60NGVD29 S  A
1999-09-0818:35 UTCm62611 -19.43NAVD88 S  A
1999-09-0818:35 UTCm7201939.56   S  A
1999-09-2316:50 UTCm62610 -16.24NGVD29 S  A
1999-09-2316:50 UTCm62611 -17.07NAVD88 S  A
1999-09-2316:50 UTCm7201937.20   S  A
1999-09-2415:30 UTCm62610 -14.35NGVD29 S  A
1999-09-2415:30 UTCm62611 -15.18NAVD88 S  A
1999-09-2415:30 UTCm7201935.31   S  A
1999-12-2913:45 UTCm62610 -18.27NGVD29 S  A
1999-12-2913:45 UTCm62611 -19.10NAVD88 S  A
1999-12-2913:45 UTCm7201939.23   S  A
2000-02-0316:57 UTCm62610 -18.05NGVD291S  A
2000-02-0316:57 UTCm62611 -18.88NAVD881S  A
2000-02-0316:57 UTCm7201939.01  1S  A
2000-04-1914:45 UTCm62610 -20.56NGVD29 S  A
2000-04-1914:45 UTCm62611 -21.39NAVD88 S  A
2000-04-1914:45 UTCm7201941.52   S  A
2000-07-2816:00 UTCm62610 -21.40NGVD291S  A
2000-07-2816:00 UTCm62611 -22.23NAVD881S  A
2000-07-2816:00 UTCm7201942.36  1S  A
2000-10-0518:00 UTCm62610 -20.38NGVD29PS  A
2000-10-0518:00 UTCm62611 -21.21NAVD88PS  A
2000-10-0518:00 UTCm7201941.34  PS  A
2000-12-1817:40 UTCm62610 -24.59NGVD29PT  A
2000-12-1817:40 UTCm62611 -25.42NAVD88PT  A
2000-12-1817:40 UTCm7201945.55  PT  A
2001-01-1213:12 UTCm62610 -20.13NGVD291T  A
2001-01-1213:12 UTCm62611 -20.96NAVD881T  A
2001-01-1213:12 UTCm7201941.09  1T  A
2001-02-0618:38 UTCm62610 -19.83NGVD291S  A
2001-02-0618:38 UTCm62611 -20.66NAVD881S  A
2001-02-0618:38 UTCm7201940.79  1S  A
2001-03-1618:50 UTCm62610 -22.01NGVD291T  A
2001-03-1618:50 UTCm62611 -22.84NAVD881T  A
2001-03-1618:50 UTCm7201942.97  1T  A
2001-05-0117:40 UTCm62610 -26.21NGVD291T  A
2001-05-0117:40 UTCm62611 -27.04NAVD881T  A
2001-05-0117:40 UTCm7201947.17  1T  A
2001-05-2319:20 UTCm62610 -28.02NGVD291S  A
2001-05-2319:20 UTCm62611 -28.85NAVD881S  A
2001-05-2319:20 UTCm7201948.98  1S  A
2001-06-2116:20 UTCm62610 -22.27NGVD291S  A
2001-06-2116:20 UTCm62611 -23.10NAVD881S  A
2001-06-2116:20 UTCm7201943.23  1S  A
2001-07-1715:40 UTCm62610 -34.46NGVD291S  A
2001-07-1715:40 UTCm62611 -35.29NAVD881S  A
2001-07-1715:40 UTCm7201955.42  1S  A
2001-08-2321:50 UTCm62610 -28.76NGVD291S  A
2001-08-2321:50 UTCm62611 -29.59NAVD881S  A
2001-08-2321:50 UTCm7201949.72  1S  A
2001-10-0915:15 UTCm62610 -30.95NGVD291SMD006AA
2001-10-0915:15 UTCm62611 -31.78NAVD881SMD006AA
2001-10-0915:15 UTCm7201951.91  1SMD006AA
2001-11-1619:05 UTCm62610 -40.24NGVD291SMD006AA
2001-11-1619:05 UTCm62611 -41.07NAVD881SMD006AA
2001-11-1619:05 UTCm7201961.20  1SMD006AA
2001-12-1917:40 UTCm62610 -30.87NGVD291SMD006AA
2001-12-1917:40 UTCm62611 -31.70NAVD881SMD006AA
2001-12-1917:40 UTCm7201951.83  1SMD006AA
2002-01-3115:43 UTCm62610 -35.65NGVD29PSMD006AA
2002-01-3115:43 UTCm62611 -36.48NAVD88PSMD006AA
2002-01-3115:43 UTCm7201956.61  PSMD006AA
2002-02-2620:30 UTCm62610 -24.57NGVD291SMD006AA
2002-02-2620:30 UTCm62611 -25.40NAVD881SMD006AA
2002-02-2620:30 UTCm7201945.53  1SMD006AA
2002-03-2712:30 UTCm62610 -23.81NGVD291SMD006AA
2002-03-2712:30 UTCm62611 -24.64NAVD881SMD006AA
2002-03-2712:30 UTCm7201944.77  1SMD006AA
2002-05-0917:55 UTCm62610 -31.88NGVD291SMD006AA
2002-05-0917:55 UTCm62611 -32.71NAVD881SMD006AA
2002-05-0917:55 UTCm7201952.84  1SMD006AA
2002-06-2816:56 UTCm62610 -31.77NGVD291TMD006AA
2002-06-2816:56 UTCm62611 -32.60NAVD881TMD006AA
2002-06-2816:56 UTCm7201952.73  1TMD006AA
2002-07-3112:40 UTCm62610 -27.37NGVD291SMD006AA
2002-07-3112:40 UTCm62611 -28.20NAVD881SMD006AA
2002-07-3112:40 UTCm7201948.33  1SMD006AA
2002-12-1920:20 UTCm62610 -29.08NGVD291SMD006AA
2002-12-1920:20 UTCm62611 -29.91NAVD881SMD006AA
2002-12-1920:20 UTCm7201950.04  1SMD006AA
2003-01-2216:45 UTCm62610 -31.59NGVD291SMD006AA
2003-01-2216:45 UTCm62611 -32.42NAVD881SMD006AA
2003-01-2216:45 UTCm7201952.55  1SMD006AA
2003-05-2018:46 UTCm62610 -29.65NGVD291SMD006AA
2003-05-2018:46 UTCm62611 -30.48NAVD881SMD006AA
2003-05-2018:46 UTCm7201950.61  1SMD006AA
2003-07-1717:15 UTCm62610 -37.86NGVD291TMD006AA
2003-07-1717:15 UTCm62611 -38.69NAVD881TMD006AA
2003-07-1717:15 UTCm7201958.82  1TMD006AA
2003-10-2116:58 UTCm62610 -31.44NGVD291TMD006AA
2003-10-2116:58 UTCm62611 -32.27NAVD881TMD006AA
2003-10-2116:58 UTCm7201952.40  1TMD006AA
2003-11-2116:58 UTCm62610 -31.44NGVD291TMD006AA
2003-11-2116:58 UTCm62611 -32.27NAVD881TMD006AA
2003-11-2116:58 UTCm7201952.40  1TMD006AA
2004-01-2216:15 UTCm62610 -26.84NGVD291TMD006AA
2004-01-2216:15 UTCm62611 -27.67NAVD881TMD006AA
2004-01-2216:15 UTCm7201947.80  1TMD006AA
2004-02-2019:00 UTCm62610 -101.16NGVD291TMD006AA
2004-02-2019:00 UTCm62611 -101.99NAVD881TMD006AA
2004-02-2019:00 UTCm72019122.12  1TMD006AA
2004-03-1613:16 UTCm62610 -100.47NGVD291TMD006AA
2004-03-1613:16 UTCm62611 -101.30NAVD881TMD006AA
2004-03-1613:16 UTCm72019121.43  1TMD006AA
2004-03-1613:30 UTCm62610 -23.24NGVD291TMD006AA
2004-03-1613:30 UTCm62611 -24.07NAVD881TMD006AA
2004-03-1613:30 UTCm7201944.20  1TMD006AA
2004-03-1914:47 UTCm62610 -25.44NGVD291TMD006AA
2004-03-1914:47 UTCm62611 -26.27NAVD881TMD006AA
2004-03-1914:47 UTCm7201946.40  1TMD006AA
2004-03-1915:24 UTCm62610 -101.61NGVD291TMD006AA
2004-03-1915:24 UTCm62611 -102.44NAVD881TMD006AA
2004-03-1915:24 UTCm72019122.57  1TMD006AA
2004-03-2314:12 UTCm62610 -24.77NGVD291TMD006AA
2004-03-2314:12 UTCm62611 -25.60NAVD881TMD006AA
2004-03-2314:12 UTCm7201945.73  1TMD006AA
2004-03-2314:28 UTCm62610 -101.96NGVD291TMD006AA
2004-03-2314:28 UTCm62611 -102.79NAVD881TMD006AA
2004-03-2314:28 UTCm72019122.92  1TMD006AA
2004-09-1617:50 UTCm62610 -26.14NGVD291TMD006AA
2004-09-1617:50 UTCm62611 -26.97NAVD881TMD006AA
2004-09-1617:50 UTCm7201947.10  1TMD006AA
2005-03-3119:40 UTCm62610 -33.09NGVD291TMD006AA
2005-03-3119:40 UTCm62611 -33.92NAVD881TMD006AA
2005-03-3119:40 UTCm7201954.05  1TMD006AA
2005-09-2217:50 UTCm62610 -30.00NGVD291TMD006AA
2005-09-2217:50 UTCm62611 -30.83NAVD881TMD006AA
2005-09-2217:50 UTCm7201950.96  1TMD006AA
2006-05-1917:05 UTCm62610 -30.44NGVD291TMD006AA
2006-05-1917:05 UTCm62611 -31.27NAVD881TMD006AA
2006-05-1917:05 UTCm7201951.40  1TMD006AA
2006-09-2217:28 UTCm62610 -29.89NGVD291TUSGSSA
2006-09-2217:28 UTCm62611 -30.72NAVD881TUSGSSA
2006-09-2217:28 UTCm7201950.85  1TUSGSSA
2007-05-02 D62610 -29.86NGVD291TUSGSSA
2007-05-02 D62611 -30.69NAVD881TUSGSSA
2007-05-02 D7201950.82  1TUSGSSA
2007-09-11 D62610 -32.29NGVD291TUSGSSA
2007-09-11 D62611 -33.12NAVD881TUSGSSA
2007-09-11 D7201953.25  1TUSGSSA
2008-04-1716:10 UTCm62610 -41.98NGVD291TMD006AA
2008-04-1716:10 UTCm62611 -42.81NAVD881TMD006AA
2008-04-1716:10 UTCm7201962.94  1TMD006AA
2008-09-0414:20 UTCm62610 -46.89NGVD291TMD006AA
2008-09-0414:20 UTCm62611 -47.72NAVD881TMD006AA
2008-09-0414:20 UTCm7201967.85  1TMD006AA
2009-04-2415:15 UTCm62610 -48.06NGVD29PTMD006AA
2009-04-2415:15 UTCm62611 -48.89NAVD88PTMD006AA
2009-04-2415:15 UTCm7201969.02  PTMD006AA
2009-09-10 D62610 -51.79NGVD291TUSGSSA
2009-09-10 D62611 -52.62NAVD881TUSGSSA
2009-09-10 D7201972.75  1TUSGSSA
2009-09-1614:20 UTCm62610 -51.68NGVD291TMD006AA
2009-09-1614:20 UTCm62611 -52.51NAVD881TMD006AA
2009-09-1614:20 UTCm7201972.64  1TMD006AA
2010-04-0714:30 UTCm62610 -52.36NGVD291TMD006AA
2010-04-0714:30 UTCm62611 -53.19NAVD881TMD006AA
2010-04-0714:30 UTCm7201973.32  1TMD006AA
2010-11-1219:10 UTCm62610 -56.22NGVD291TMD006AA
2010-11-1219:10 UTCm62611 -57.05NAVD881TMD006AA
2010-11-1219:10 UTCm7201977.18  1TMD006AA
2011-05-0616:55 UTCm62610 -60.86NGVD291TMD006AA
2011-05-0616:55 UTCm62611 -61.69NAVD881TMD006AA
2011-05-0616:55 UTCm7201981.82  1TMD006AA
2011-09-14 D62610 -71.37NGVD291TUSGSSA
2011-09-14 D62611 -72.20NAVD881TUSGSSA
2011-09-14 D7201992.33  1TUSGSSA
2012-04-1115:49 UTCm62610 -64.94NGVD291TMD006AA
2012-04-1115:49 UTCm62611 -65.77NAVD881TMD006AA
2012-04-1115:49 UTCm7201985.90  1TMD006AA
2013-09-2315:56 UTCm62610 -78.39NGVD291TMD006AA
2013-09-2315:56 UTCm62611 -79.22NAVD881TMD006AA
2013-09-2315:56 UTCm7201999.35  1TMD006AA
2014-04-1115:35 UTCm62610 -81.32NGVD291TMD006AA
2014-04-1115:35 UTCm62611 -82.15NAVD881TMD006AA
2014-04-1115:35 UTCm72019102.28  1TMD006AA
2014-09-3019:27 UTCm62610 -86.31NGVD291TMD006AA
2014-09-3019:27 UTCm62611 -87.14NAVD881TMD006AA
2014-09-3019:27 UTCm72019107.27  1TMD006AA
2015-04-2114:53 UTCm62610 -86.55NGVD291TMD006AA
2015-04-2114:53 UTCm62611 -87.38NAVD881TMD006AA
2015-04-2114:53 UTCm72019107.51  1TMD006AA
2015-10-0719:03 UTCm62610 -112.20NGVD291TMD006AA
2015-10-0719:03 UTCm62611 -113.03NAVD881TMD006AA
2015-10-0719:03 UTCm72019133.16  1TMD006AA
2018-09-2018:51 UTCm62610 -98.20NGVD291SMD006AA
2018-09-2018:51 UTCm62611 -99.03NAVD881SMD006AA
2018-09-2018:51 UTCm72019119.16  1SMD006AA
2019-04-2515:40 UTCm62610 -99.59NGVD291SMD006AA
2019-04-2515:40 UTCm62611 -100.42NAVD881SMD006AA
2019-04-2515:40 UTCm72019120.55  1SMD006AA
2019-09-1815:27 UTCm62610 -101.47NGVD291SMD006AA
2019-09-1815:27 UTCm62611 -102.30NAVD881SMD006AA
2019-09-1815:27 UTCm72019122.43  1SMD006AA
2020-10-0219:07 UTCm62610 -105.56NGVD291VMD006AA
2020-10-0219:07 UTCm62611 -106.39NAVD881VMD006AA
2020-10-0219:07 UTCm72019126.52  1VMD006AA
2021-04-2915:10 UTCm62610 -107.96NGVD291VMD006AA
2021-04-2915:10 UTCm62611 -108.79NAVD881VMD006AA
2021-04-2915:10 UTCm72019128.92  1VMD006AA
2021-10-0117:07 UTCm62610 -108.22NGVD291VMD006AA
2021-10-0117:07 UTCm62611 -109.05NAVD881VMD006AA
2021-10-0117:07 UTCm72019129.18  1VMD006AA
2022-04-2915:37 UTCm62610 -107.23NGVD291VMD006AA
2022-04-2915:37 UTCm62611 -108.06NAVD881VMD006AA
2022-04-2915:37 UTCm72019128.19  1VMD006AA
2022-09-1315:12 UTCm62610 -111.27NGVD291VMD006AA
2022-09-1315:12 UTCm62611 -112.10NAVD881VMD006AA
2022-09-1315:12 UTCm72019132.23  1VMD006AA
2023-04-1812:32 UTCm62610 -112.96NGVD291VMD006AA
2023-04-1812:32 UTCm62611 -113.79NAVD881VMD006AA
2023-04-1812:32 UTCm72019133.92  1VMD006AA
2023-09-0514:30 UTCm62610 -117.24NGVD291VMD006AA
2023-09-0514:30 UTCm62611 -118.07NAVD881VMD006AA
2023-09-0514:30 UTCm72019138.20  1VMD006AA
2024-04-2514:29 UTCm62610 -117.47NGVD291VUSGSSA
2024-04-2514:29 UTCm62611 -118.30NAVD881VUSGSSA
2024-04-2514:29 UTCm72019138.43  1VUSGSSA
2024-09-1815:09 UTCm62610 -122.81NGVD291VMD006AP
2024-09-1815:09 UTCm62611 -123.64NAVD881VMD006AP
2024-09-1815:09 UTCm72019143.77  1VMD006AP

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
StatusThe reported water-level measurement represents a static level
Status1Static
StatusPPumping
Method of measurementLInterpreted from geophysical logs.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
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.