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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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  • 383644077055501
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USGS 383644077055501 CH Bc 77

Charles County, Maryland
Latitude  38°36'43.6", Longitude  77°05'57.6" NAD83
Land-surface elevation 96.64 feet above NGVD29
The depth of the well is 955 feet below land surface.
The depth of the hole is 990 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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accuracy
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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
1990-08-10 D62610 2.64NGVD291S  A
1990-08-10 D62611 1.81NAVD881S  A
1990-08-10 D7201994.00  1S  A
1995-08-28 D62610 2.09NGVD291S  A
1995-08-28 D62611 1.26NAVD881S  A
1995-08-28 D7201994.55  1S  A
1995-09-21 D62610 -0.93NGVD291S  A
1995-09-21 D62611 -1.76NAVD881S  A
1995-09-21 D7201997.57  1S  A
1995-10-26 D62610 0.77NGVD291S  A
1995-10-26 D62611 -0.06NAVD881S  A
1995-10-26 D7201995.87  1S  A
1995-12-06 D62610 1.21NGVD291Z  A
1995-12-06 D62611 0.38NAVD881Z  A
1995-12-06 D7201995.43  1Z  A
1996-01-18 D62610 1.52NGVD291Z  A
1996-01-18 D62611 0.69NAVD881Z  A
1996-01-18 D7201995.12  1Z  A
1996-02-27 D62610 0.98NGVD291S  A
1996-02-27 D62611 0.15NAVD881S  A
1996-02-27 D7201995.66  1S  A
1996-04-19 D62610 0.92NGVD291S  A
1996-04-19 D62611 0.09NAVD881S  A
1996-04-19 D7201995.72  1S  A
1996-07-2421:03 UTCm62610 0.97NGVD291S  A
1996-07-2421:03 UTCm62611 0.14NAVD881S  A
1996-07-2421:03 UTCm7201995.67  1S  A
1996-09-2521:03 UTCm62610 0.94NGVD291S  A
1996-09-2521:03 UTCm62611 0.11NAVD881S  A
1996-09-2521:03 UTCm7201995.70  1S  A
1996-10-2920:36 UTCm62610 0.92NGVD291S  A
1996-10-2920:36 UTCm62611 0.09NAVD881S  A
1996-10-2920:36 UTCm7201995.72  1S  A
1996-11-0719:40 UTCm62610 0.89NGVD291S  A
1996-11-0719:40 UTCm62611 0.06NAVD881S  A
1996-11-0719:40 UTCm7201995.75  1S  A
1996-11-1814:58 UTCm62610 0.34NGVD291S  A
1996-11-1814:58 UTCm62611 -0.49NAVD881S  A
1996-11-1814:58 UTCm7201996.30  1S  A
1996-11-1919:07 UTCm62610 -3.20NGVD291S  A
1996-11-1919:07 UTCm62611 -4.03NAVD881S  A
1996-11-1919:07 UTCm7201999.84  1S  A
1996-11-2019:16 UTCm62610 -8.29NGVD291S  A
1996-11-2019:16 UTCm62611 -9.12NAVD881S  A
1996-11-2019:16 UTCm72019104.93  1S  A
1996-11-2215:35 UTCm62610 -13.40NGVD291S  A
1996-11-2215:35 UTCm62611 -14.23NAVD881S  A
1996-11-2215:35 UTCm72019110.04  1S  A
1996-11-2421:15 UTCm62610 -16.21NGVD291S  A
1996-11-2421:15 UTCm62611 -17.04NAVD881S  A
1996-11-2421:15 UTCm72019112.85  1S  A
1996-11-2516:25 UTCm62610 -11.28NGVD291S  A
1996-11-2516:25 UTCm62611 -12.11NAVD881S  A
1996-11-2516:25 UTCm72019107.92  1S  A
1996-11-2719:55 UTCm62610 -10.51NGVD291S  A
1996-11-2719:55 UTCm62611 -11.34NAVD881S  A
1996-11-2719:55 UTCm72019107.15  1S  A
1996-12-1020:25 UTCm62610 -2.18NGVD291S  A
1996-12-1020:25 UTCm62611 -3.01NAVD881S  A
1996-12-1020:25 UTCm7201998.82  1S  A
1997-01-0715:48 UTCm62610 -0.51NGVD291S  A
1997-01-0715:48 UTCm62611 -1.34NAVD881S  A
1997-01-0715:48 UTCm7201997.15  1S  A
1997-02-1217:20 UTCm62610 -0.11NGVD291S  A
1997-02-1217:20 UTCm62611 -0.94NAVD881S  A
1997-02-1217:20 UTCm7201996.75  1S  A
1997-04-0420:18 UTCm62610 -1.26NGVD291S  A
1997-04-0420:18 UTCm62611 -2.09NAVD881S  A
1997-04-0420:18 UTCm7201997.90  1S  A
1997-05-2916:48 UTCm62610 -3.91NGVD291S  A
1997-05-2916:48 UTCm62611 -4.74NAVD881S  A
1997-05-2916:48 UTCm72019100.55  1S  A
1997-07-2518:10 UTCm62610 -7.19NGVD29 S  A
1997-07-2518:10 UTCm62611 -8.02NAVD88 S  A
1997-07-2518:10 UTCm72019103.83   S  A
1997-08-14 D62610 -7.08NGVD291S  A
1997-08-14 D62611 -7.91NAVD881S  A
1997-08-14 D72019103.72  1S  A
1997-09-29 D62610 -7.63NGVD291S  A
1997-09-29 D62611 -8.46NAVD881S  A
1997-09-29 D72019104.27  1S  A
1997-10-21 D62610 -8.47NGVD291S  A
1997-10-21 D62611 -9.30NAVD881S  A
1997-10-21 D72019105.11  1S  A
1997-11-06 D62610 -8.45NGVD291S  A
1997-11-06 D62611 -9.28NAVD881S  A
1997-11-06 D72019105.09  1S  A
1997-11-26 D62610 -6.68NGVD291S  A
1997-11-26 D62611 -7.51NAVD881S  A
1997-11-26 D72019103.32  1S  A
1997-12-01 D62610 -6.40NGVD291S  A
1997-12-01 D62611 -7.23NAVD881S  A
1997-12-01 D72019103.04  1S  A
1997-12-02 D62610 -6.54NGVD291S  A
1997-12-02 D62611 -7.37NAVD881S  A
1997-12-02 D72019103.18  1S  A
1997-12-09 D62610 -7.71NGVD291S  A
1997-12-09 D62611 -8.54NAVD881S  A
1997-12-09 D72019104.35  1S  A
1998-01-05 D62610 -7.81NGVD291S  A
1998-01-05 D62611 -8.64NAVD881S  A
1998-01-05 D72019104.45  1S  A
1998-02-10 D62610 -7.41NGVD291S  A
1998-02-10 D62611 -8.24NAVD881S  A
1998-02-10 D72019104.05  1S  A
1998-02-26 D62610 -7.63NGVD291S  A
1998-02-26 D62611 -8.46NAVD881S  A
1998-02-26 D72019104.27  1S  A
1998-07-0120:50 UTCm62610 -8.74NGVD291S  A
1998-07-0120:50 UTCm62611 -9.57NAVD881S  A
1998-07-0120:50 UTCm72019105.38  1S  A
1998-07-0317:43 UTCm62610 -8.88NGVD291S  A
1998-07-0317:43 UTCm62611 -9.71NAVD881S  A
1998-07-0317:43 UTCm72019105.52  1S  A
1998-07-1418:00 UTCm62610 -9.38NGVD291S  A
1998-07-1418:00 UTCm62611 -10.21NAVD881S  A
1998-07-1418:00 UTCm72019106.02  1S  A
1998-08-0717:10 UTCm62610 -11.02NGVD291S  A
1998-08-0717:10 UTCm62611 -11.85NAVD881S  A
1998-08-0717:10 UTCm72019107.66  1S  A
1998-09-1616:07 UTCm62610 -11.48NGVD291S  A
1998-09-1616:07 UTCm62611 -12.31NAVD881S  A
1998-09-1616:07 UTCm72019108.12  1S  A
1998-10-0115:18 UTCm62610 -11.51NGVD291S  A
1998-10-0115:18 UTCm62611 -12.34NAVD881S  A
1998-10-0115:18 UTCm72019108.15  1S  A
1998-10-1618:12 UTCm62610 -11.48NGVD291S  A
1998-10-1618:12 UTCm62611 -12.31NAVD881S  A
1998-10-1618:12 UTCm72019108.12  1S  A
1998-12-1717:05 UTCm62610 -11.35NGVD291S  A
1998-12-1717:05 UTCm62611 -12.18NAVD881S  A
1998-12-1717:05 UTCm72019107.99  1S  A
1999-01-2517:33 UTCm62610 -11.29NGVD291S  A
1999-01-2517:33 UTCm62611 -12.12NAVD881S  A
1999-01-2517:33 UTCm72019107.93  1S  A
1999-02-2416:31 UTCm62610 -11.41NGVD291S  A
1999-02-2416:31 UTCm62611 -12.24NAVD881S  A
1999-02-2416:31 UTCm72019108.05  1S  A
1999-03-1815:44 UTCm62610 -11.38NGVD291S  A
1999-03-1815:44 UTCm62611 -12.21NAVD881S  A
1999-03-1815:44 UTCm72019108.02  1S  A
1999-04-1217:25 UTCm62610 -11.54NGVD291S  A
1999-04-1217:25 UTCm62611 -12.37NAVD881S  A
1999-04-1217:25 UTCm72019108.18  1S  A
1999-05-1816:35 UTCm62610 -12.80NGVD29 S  A
1999-05-1816:35 UTCm62611 -13.63NAVD88 S  A
1999-05-1816:35 UTCm72019109.44   S  A
1999-06-1616:35 UTCm62610 -13.98NGVD291T  A
1999-06-1616:35 UTCm62611 -14.81NAVD881T  A
1999-06-1616:35 UTCm72019110.62  1T  A
1999-07-2015:30 UTCm62610 -14.69NGVD29 T  A
1999-07-2015:30 UTCm62611 -15.52NAVD88 T  A
1999-07-2015:30 UTCm72019111.33   T  A
1999-08-0515:40 UTCm62610 -14.44NGVD29 T  A
1999-08-0515:40 UTCm62611 -15.27NAVD88 T  A
1999-08-0515:40 UTCm72019111.08   T  A
1999-09-0316:32 UTCm62610 -14.28NGVD29 S  A
1999-09-0316:32 UTCm62611 -15.11NAVD88 S  A
1999-09-0316:32 UTCm72019110.92   S  A
1999-09-2316:27 UTCm62610 -14.16NGVD29 S  A
1999-09-2316:27 UTCm62611 -14.99NAVD88 S  A
1999-09-2316:27 UTCm72019110.80   S  A
1999-09-2416:55 UTCm62610 -14.11NGVD29 S  A
1999-09-2416:55 UTCm62611 -14.94NAVD88 S  A
1999-09-2416:55 UTCm72019110.75   S  A
1999-09-2516:43 UTCm62610 -14.08NGVD29 S  A
1999-09-2516:43 UTCm62611 -14.91NAVD88 S  A
1999-09-2516:43 UTCm72019110.72   S  A
1999-09-2718:51 UTCm62610 -14.18NGVD29 T  A
1999-09-2718:51 UTCm62611 -15.01NAVD88 T  A
1999-09-2718:51 UTCm72019110.82   T  A
1999-10-0115:23 UTCm62610 -13.91NGVD29 S  A
1999-10-0115:23 UTCm62611 -14.74NAVD88 S  A
1999-10-0115:23 UTCm72019110.55   S  A
1999-11-0520:08 UTCm62610 -14.31NGVD29 S  A
1999-11-0520:08 UTCm62611 -15.14NAVD88 S  A
1999-11-0520:08 UTCm72019110.95   S  A
1999-12-0115:40 UTCm62610 -14.37NGVD29 S  A
1999-12-0115:40 UTCm62611 -15.20NAVD88 S  A
1999-12-0115:40 UTCm72019111.01   S  A
1999-12-2914:30 UTCm62610 -14.15NGVD29 S  A
1999-12-2914:30 UTCm62611 -14.98NAVD88 S  A
1999-12-2914:30 UTCm72019110.79   S  A
2000-02-0317:50 UTCm62610 -14.00NGVD291T  A
2000-02-0317:50 UTCm62611 -14.83NAVD881T  A
2000-02-0317:50 UTCm72019110.64  1T  A
2000-03-0816:50 UTCm62610 -14.28NGVD291T  A
2000-03-0816:50 UTCm62611 -15.11NAVD881T  A
2000-03-0816:50 UTCm72019110.92  1T  A
2000-04-1915:43 UTCm62610 -16.18NGVD29 T  A
2000-04-1915:43 UTCm62611 -17.01NAVD88 T  A
2000-04-1915:43 UTCm72019112.82   T  A
2000-05-2416:00 UTCm62610 -16.14NGVD291T  A
2000-05-2416:00 UTCm62611 -16.97NAVD881T  A
2000-05-2416:00 UTCm72019112.78  1T  A
2000-06-2115:34 UTCm62610 -20.17NGVD291T  A
2000-06-2115:34 UTCm62611 -21.00NAVD881T  A
2000-06-2115:34 UTCm72019116.81  1T  A
2000-07-3114:40 UTCm62610 -18.78NGVD291T  A
2000-07-3114:40 UTCm62611 -19.61NAVD881T  A
2000-07-3114:40 UTCm72019115.42  1T  A
2000-08-3115:45 UTCm62610 -20.25NGVD291T  A
2000-08-3115:45 UTCm62611 -21.08NAVD881T  A
2000-08-3115:45 UTCm72019116.89  1T  A
2000-10-0613:55 UTCm62610 -19.47NGVD291T  A
2000-10-0613:55 UTCm62611 -20.30NAVD881T  A
2000-10-0613:55 UTCm72019116.11  1T  A
2000-11-1513:35 UTCm62610 -19.36NGVD291T  A
2000-11-1513:35 UTCm62611 -20.19NAVD881T  A
2000-11-1513:35 UTCm72019116.00  1T  A
2000-12-1914:45 UTCm62610 -18.78NGVD291T  A
2000-12-1914:45 UTCm62611 -19.61NAVD881T  A
2000-12-1914:45 UTCm72019115.42  1T  A
2001-01-1214:15 UTCm62610 -18.85NGVD291T  A
2001-01-1214:15 UTCm62611 -19.68NAVD881T  A
2001-01-1214:15 UTCm72019115.49  1T  A
2001-02-0815:20 UTCm62610 -18.94NGVD291T  A
2001-02-0815:20 UTCm62611 -19.77NAVD881T  A
2001-02-0815:20 UTCm72019115.58  1T  A
2001-03-1519:20 UTCm62610 -18.87NGVD291T  A
2001-03-1519:20 UTCm62611 -19.70NAVD881T  A
2001-03-1519:20 UTCm72019115.51  1T  A
2001-04-1219:30 UTCm62610 -19.95NGVD291T  A
2001-04-1219:30 UTCm62611 -20.78NAVD881T  A
2001-04-1219:30 UTCm72019116.59  1T  A
2001-05-2320:20 UTCm62610 -22.51NGVD291T  A
2001-05-2320:20 UTCm62611 -23.34NAVD881T  A
2001-05-2320:20 UTCm72019119.15  1T  A
2001-06-2117:40 UTCm62610 -21.84NGVD291T  A
2001-06-2117:40 UTCm62611 -22.67NAVD881T  A
2001-06-2117:40 UTCm72019118.48  1T  A
2001-07-2417:55 UTCm62610 -22.93NGVD291T  A
2001-07-2417:55 UTCm62611 -23.76NAVD881T  A
2001-07-2417:55 UTCm72019119.57  1T  A
2001-08-2323:10 UTCm62610 -23.49NGVD291T  A
2001-08-2323:10 UTCm62611 -24.32NAVD881T  A
2001-08-2323:10 UTCm72019120.13  1T  A
2001-10-0914:25 UTCm62610 -25.18NGVD291TMD006AA
2001-10-0914:25 UTCm62611 -26.01NAVD881TMD006AA
2001-10-0914:25 UTCm72019121.82  1TMD006AA
2001-11-1620:10 UTCm62610 -26.17NGVD291TMD006AA
2001-11-1620:10 UTCm62611 -27.00NAVD881TMD006AA
2001-11-1620:10 UTCm72019122.81  1TMD006AA
2001-12-1918:45 UTCm62610 -26.27NGVD291TMD006AA
2001-12-1918:45 UTCm62611 -27.10NAVD881TMD006AA
2001-12-1918:45 UTCm72019122.91  1TMD006AA
2002-01-3116:40 UTCm62610 -25.57NGVD291TMD006AA
2002-01-3116:40 UTCm62611 -26.40NAVD881TMD006AA
2002-01-3116:40 UTCm72019122.21  1TMD006AA
2002-02-2621:30 UTCm62610 -24.20NGVD291TMD006AA
2002-02-2621:30 UTCm62611 -25.03NAVD881TMD006AA
2002-02-2621:30 UTCm72019120.84  1TMD006AA
2002-03-2714:10 UTCm62610 -23.78NGVD291TMD006AA
2002-03-2714:10 UTCm62611 -24.61NAVD881TMD006AA
2002-03-2714:10 UTCm72019120.42  1TMD006AA
2002-05-0919:10 UTCm62610 -23.17NGVD291TMD006AA
2002-05-0919:10 UTCm62611 -24.00NAVD881TMD006AA
2002-05-0919:10 UTCm72019119.81  1TMD006AA
2002-06-2818:25 UTCm62610 -24.55NGVD291TMD006AA
2002-06-2818:25 UTCm62611 -25.38NAVD881TMD006AA
2002-06-2818:25 UTCm72019121.19  1TMD006AA
2002-07-3113:40 UTCm62610 -25.21NGVD291TMD006AA
2002-07-3113:40 UTCm62611 -26.04NAVD881TMD006AA
2002-07-3113:40 UTCm72019121.85  1TMD006AA
2002-09-2516:55 UTCm62610 -25.07NGVD291TMD006AA
2002-09-2516:55 UTCm62611 -25.90NAVD881TMD006AA
2002-09-2516:55 UTCm72019121.71  1TMD006AA
2002-11-2618:10 UTCm62610 -24.98NGVD291TMD006AA
2002-11-2618:10 UTCm62611 -25.81NAVD881TMD006AA
2002-11-2618:10 UTCm72019121.62  1TMD006AA
2002-12-1921:15 UTCm62610 -24.82NGVD291TMD006AA
2002-12-1921:15 UTCm62611 -25.65NAVD881TMD006AA
2002-12-1921:15 UTCm72019121.46  1TMD006AA
2003-01-2217:40 UTCm62610 -24.85NGVD291TMD006AA
2003-01-2217:40 UTCm62611 -25.68NAVD881TMD006AA
2003-01-2217:40 UTCm72019121.49  1TMD006AA
2003-03-2517:34 UTCm62610 -24.31NGVD291TMD006AA
2003-03-2517:34 UTCm62611 -25.14NAVD881TMD006AA
2003-03-2517:34 UTCm72019120.95  1TMD006AA
2003-05-2018:20 UTCm62610 -24.48NGVD291TMD006AA
2003-05-2018:20 UTCm62611 -25.31NAVD881TMD006AA
2003-05-2018:20 UTCm72019121.12  1TMD006AA
2003-07-1716:42 UTCm62610 -25.30NGVD291TMD006AA
2003-07-1716:42 UTCm62611 -26.13NAVD881TMD006AA
2003-07-1716:42 UTCm72019121.94  1TMD006AA
2003-09-1618:00 UTCm62610 -25.08NGVD291TMD006AA
2003-09-1618:00 UTCm62611 -25.91NAVD881TMD006AA
2003-09-1618:00 UTCm72019121.72  1TMD006AA
2003-11-2116:45 UTCm62610 -25.03NGVD291TMD006AA
2003-11-2116:45 UTCm62611 -25.86NAVD881TMD006AA
2003-11-2116:45 UTCm72019121.67  1TMD006AA
2004-01-2215:50 UTCm62610 -25.48NGVD291TMD006AA
2004-01-2215:50 UTCm62611 -26.31NAVD881TMD006AA
2004-01-2215:50 UTCm72019122.12  1TMD006AA
2004-02-2019:00 UTCm62610 -25.48NGVD291TUSGSSA
2004-02-2019:00 UTCm62611 -26.31NAVD881TUSGSSA
2004-02-2019:00 UTCm72019122.12  1TUSGSSA
2004-03-1613:16 UTCm62610 -24.79NGVD291TUSGSSA
2004-03-1613:16 UTCm62611 -25.62NAVD881TUSGSSA
2004-03-1613:16 UTCm72019121.43  1TUSGSSA
2004-03-1615:57 UTCm62610 -24.75NGVD291TUSGSSA
2004-03-1615:57 UTCm62611 -25.58NAVD881TUSGSSA
2004-03-1615:57 UTCm72019121.39  1TUSGSSA
2004-03-1618:55 UTCm62610 -24.68NGVD291TUSGSSA
2004-03-1618:55 UTCm62611 -25.51NAVD881TUSGSSA
2004-03-1618:55 UTCm72019121.32  1TUSGSSA
2004-03-1915:24 UTCm62610 -25.93NGVD291TUSGSSA
2004-03-1915:24 UTCm62611 -26.76NAVD881TUSGSSA
2004-03-1915:24 UTCm72019122.57  1TUSGSSA
2004-03-2314:28 UTCm62610 -26.28NGVD291TUSGSSA
2004-03-2314:28 UTCm62611 -27.11NAVD881TUSGSSA
2004-03-2314:28 UTCm72019122.92  1TUSGSSA
2004-05-2715:48 UTCm62610 -26.33NGVD291TMD006AA
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2023-06-3015:31 UTCm62611 -119.17NAVD881VMD006AA
2023-06-3015:31 UTCm72019214.98  1VMD006AA
2023-09-1517:13 UTCm62610 -120.41NGVD291VMD006AA
2023-09-1517:13 UTCm62611 -121.24NAVD881VMD006AA
2023-09-1517:13 UTCm72019217.05  1VMD006AA
2024-04-1016:32 UTCm62610 -119.82NGVD291VMD006AA
2024-04-1016:32 UTCm62611 -120.65NAVD881VMD006AA
2024-04-1016:32 UTCm72019216.46  1VMD006AA
2024-09-1216:55 UTCm62610 -125.09NGVD291VMD006AP
2024-09-1216:55 UTCm62611 -125.92NAVD881VMD006AP
2024-09-1216:55 UTCm72019221.73  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
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-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.