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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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  • 381721076264801
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USGS 381721076264801 SM Df 100

St. Mary'S County, Maryland
Latitude  38°17'21.0", Longitude  76°26'47.5" NAD83
Land-surface elevation 21 feet above NGVD29
The depth of the well is 910 feet below land surface.
The depth of the hole is 1,092 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 Upper Patapsco Aquifer In the Patapsco Formation (217PPSCU) 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
2000-09-15 D62610 -36.79NGVD291Z  A
2000-09-15 D62611 -37.65NAVD881Z  A
2000-09-15 D7201957.79  1Z  A
2000-11-29 D62610 -37.67NGVD291Z  A
2000-11-29 D62611 -38.53NAVD881Z  A
2000-11-29 D7201958.67  1Z  A
2001-01-03 D62610 -38.04NGVD291Z  A
2001-01-03 D62611 -38.90NAVD881Z  A
2001-01-03 D7201959.04  1Z  A
2001-02-07 D62610 -37.82NGVD291Z  A
2001-02-07 D62611 -38.68NAVD881Z  A
2001-02-07 D7201958.82  1Z  A
2001-03-14 D62610 -37.77NGVD291Z  A
2001-03-14 D62611 -38.63NAVD881Z  A
2001-03-14 D7201958.77  1Z  A
2001-04-26 D62610 -37.94NGVD291Z  A
2001-04-26 D62611 -38.80NAVD881Z  A
2001-04-26 D7201958.94  1Z  A
2001-06-05 D62610 -38.20NGVD291Z  A
2001-06-05 D62611 -39.06NAVD881Z  A
2001-06-05 D7201959.20  1Z  A
2001-08-16 D62610 -39.09NGVD291Z  A
2001-08-16 D62611 -39.95NAVD881Z  A
2001-08-16 D7201960.09  1Z  A
2001-10-16 D62610 -39.69NGVD291Z  A
2001-10-16 D62611 -40.55NAVD881Z  A
2001-10-16 D7201960.69  1Z  A
2002-01-09 D62610 -39.73NGVD291Z  A
2002-01-09 D62611 -40.59NAVD881Z  A
2002-01-09 D7201960.73  1Z  A
2002-03-25 D62610 -40.06NGVD291Z  A
2002-03-25 D62611 -40.92NAVD881Z  A
2002-03-25 D7201961.06  1Z  A
2002-05-01 D62610 -40.26NGVD291Z  A
2002-05-01 D62611 -41.12NAVD881Z  A
2002-05-01 D7201961.26  1Z  A
2002-08-14 D62610 -41.09NGVD291Z  A
2002-08-14 D62611 -41.95NAVD881Z  A
2002-08-14 D7201962.09  1Z  A
2002-09-20 D62610 -41.05NGVD291Z  A
2002-09-20 D62611 -41.91NAVD881Z  A
2002-09-20 D7201962.05  1Z  A
2002-10-31 D62610 -41.47NGVD291SUSGSSA
2002-10-31 D62611 -42.33NAVD881SUSGSSA
2002-10-31 D7201962.47  1SUSGSSA
2003-01-15 D62610 -41.88NGVD291SUSGSSA
2003-01-15 D62611 -42.74NAVD881SUSGSSA
2003-01-15 D7201962.88  1SUSGSSA
2003-02-21 D62610 -42.07NGVD291SUSGSSA
2003-02-21 D62611 -42.93NAVD881SUSGSSA
2003-02-21 D7201963.07  1SUSGSSA
2003-04-2114:45 UTCm62610 -41.96NGVD291SUSGSSA
2003-04-2114:45 UTCm62611 -42.82NAVD881SUSGSSA
2003-04-2114:45 UTCm7201962.96  1SUSGSSA
2003-05-2818:35 UTCm62610 -41.93NGVD291SUSGSSA
2003-05-2818:35 UTCm62611 -42.79NAVD881SUSGSSA
2003-05-2818:35 UTCm7201962.93  1SUSGSSA
2003-06-2320:10 UTCm62610 -42.28NGVD291SUSGSSA
2003-06-2320:10 UTCm62611 -43.14NAVD881SUSGSSA
2003-06-2320:10 UTCm7201963.28  1SUSGSSA
2003-07-2415:00 UTCm62610 -42.40NGVD291SUSGSSA
2003-07-2415:00 UTCm62611 -43.26NAVD881SUSGSSA
2003-07-2415:00 UTCm7201963.40  1SUSGSSA
2003-08-2815:40 UTCm62610 -43.03NGVD291SUSGSSA
2003-08-2815:40 UTCm62611 -43.89NAVD881SUSGSSA
2003-08-2815:40 UTCm7201964.03  1SUSGSSA
2003-10-0119:00 UTCm62610 -43.02NGVD291SUSGSSA
2003-10-0119:00 UTCm62611 -43.88NAVD881SUSGSSA
2003-10-0119:00 UTCm7201964.02  1SUSGSSA
2003-10-2718:45 UTCm62610 -42.79NGVD291SUSGSSA
2003-10-2718:45 UTCm62611 -43.65NAVD881SUSGSSA
2003-10-2718:45 UTCm7201963.79  1SUSGSSA
2003-11-1719:15 UTCm62610 -43.48NGVD291SUSGSSA
2003-11-1719:15 UTCm62611 -44.34NAVD881SUSGSSA
2003-11-1719:15 UTCm7201964.48  1SUSGSSA
2004-02-23 D62610 -44.01NGVD291SUSGSSA
2004-02-23 D62611 -44.87NAVD881SUSGSSA
2004-02-23 D7201965.01  1SUSGSSA
2004-03-30 D62610 -44.05NGVD291SUSGSSA
2004-03-30 D62611 -44.91NAVD881SUSGSSA
2004-03-30 D7201965.05  1SUSGSSA
2004-06-25 D62610 -44.76NGVD291SUSGSSA
2004-06-25 D62611 -45.62NAVD881SUSGSSA
2004-06-25 D7201965.76  1SUSGSSA
2004-08-25 D62610 -45.10NGVD291SUSGSSA
2004-08-25 D62611 -45.96NAVD881SUSGSSA
2004-08-25 D7201966.10  1SUSGSSA
2004-09-13 D62610 -48.43NGVD291SUSGSSA
2004-09-13 D62611 -49.29NAVD881SUSGSSA
2004-09-13 D7201969.43  1SUSGSSA
2005-09-14 D62610 -46.29NGVD291SUSGSSA
2005-09-14 D62611 -47.15NAVD881SUSGSSA
2005-09-14 D7201967.29  1SUSGSSA
2006-02-16 D62610 -46.73NGVD291SUSGSSA
2006-02-16 D62611 -47.59NAVD881SUSGSSA
2006-02-16 D7201967.73  1SUSGSSA
2006-04-28 D62610 -46.97NGVD291SUSGSSA
2006-04-28 D62611 -47.83NAVD881SUSGSSA
2006-04-28 D7201967.97  1SUSGSSA
2006-07-07 D62610 -47.01NGVD291SUSGSSA
2006-07-07 D62611 -47.87NAVD881SUSGSSA
2006-07-07 D7201968.01  1SUSGSSA
2006-09-27 D62610 -48.11NGVD291SUSGSSA
2006-09-27 D62611 -48.97NAVD881SUSGSSA
2006-09-27 D7201969.11  1SUSGSSA
2006-12-12 D62610 -51.19NGVD291SUSGSSA
2006-12-12 D62611 -52.05NAVD881SUSGSSA
2006-12-12 D7201972.19  1SUSGSSA
2007-04-18 D62610 -50.78NGVD291SUSGSSA
2007-04-18 D62611 -51.64NAVD881SUSGSSA
2007-04-18 D7201971.78  1SUSGSSA
2007-07-03 D62610 -51.97NGVD291SUSGSSA
2007-07-03 D62611 -52.83NAVD881SUSGSSA
2007-07-03 D7201972.97  1SUSGSSA
2007-09-19 D62610 -53.38NGVD291SUSGSSA
2007-09-19 D62611 -54.24NAVD881SUSGSSA
2007-09-19 D7201974.38  1SUSGSSA
2007-12-18 D62610 -53.91NGVD291SUSGSSA
2007-12-18 D62611 -54.77NAVD881SUSGSSA
2007-12-18 D7201974.91  1SUSGSSA
2008-04-09 D62610 -53.23NGVD291SUSGSSA
2008-04-09 D62611 -54.09NAVD881SUSGSSA
2008-04-09 D7201974.23  1SUSGSSA
2008-07-09 D62610 -55.69NGVD291SUSGSSA
2008-07-09 D62611 -56.55NAVD881SUSGSSA
2008-07-09 D7201976.69  1SUSGSSA
2008-09-18 D62610 -54.61NGVD291SUSGSSA
2008-09-18 D62611 -55.47NAVD881SUSGSSA
2008-09-18 D7201975.61  1SUSGSSA
2009-01-22 D62610 -55.52NGVD291SUSGSSA
2009-01-22 D62611 -56.38NAVD881SUSGSSA
2009-01-22 D7201976.52  1SUSGSSA
2009-04-28 D62610 -55.96NGVD291SUSGSSA
2009-04-28 D62611 -56.82NAVD881SUSGSSA
2009-04-28 D7201976.96  1SUSGSSA
2009-07-07 D62610 -55.55NGVD291SUSGSSA
2009-07-07 D62611 -56.41NAVD881SUSGSSA
2009-07-07 D7201976.55  1SUSGSSA
2009-09-23 D62610 -60.62NGVD29PSUSGSSA
2009-09-23 D62611 -61.48NAVD88PSUSGSSA
2009-09-23 D7201981.62  PSUSGSSA
2009-12-16 D62610 -57.55NGVD291SUSGSSA
2009-12-16 D62611 -58.41NAVD881SUSGSSA
2009-12-16 D7201978.55  1SUSGSSA
2010-04-22 D62610 -57.15NGVD291SUSGSSA
2010-04-22 D62611 -58.01NAVD881SUSGSSA
2010-04-22 D7201978.15  1SUSGSSA
2010-07-08 D62610 -58.99NGVD291SUSGSSA
2010-07-08 D62611 -59.85NAVD881SUSGSSA
2010-07-08 D7201979.99  1SUSGSSA
2010-09-1417:35 UTCm62610 -61.34NGVD291SUSGSSA
2010-09-1417:35 UTCm62611 -62.20NAVD881SUSGSSA
2010-09-1417:35 UTCm7201982.34  1SUSGSSA
2011-01-1418:13 UTCm62610 -59.59NGVD291SUSGSSA
2011-01-1418:13 UTCm62611 -60.45NAVD881SUSGSSA
2011-01-1418:13 UTCm7201980.59  1SUSGSSA
2011-09-2116:58 UTCm62610 -60.70NGVD291SUSGSSA
2011-09-2116:58 UTCm62611 -61.56NAVD881SUSGSSA
2011-09-2116:58 UTCm7201981.70  1SUSGSSA
2012-04-2513:36 UTCm62610 -61.15NGVD291SUSGSSA
2012-04-2513:36 UTCm62611 -62.01NAVD881SUSGSSA
2012-04-2513:36 UTCm7201982.15  1SUSGSSA
2012-09-1218:56 UTCm62610 -62.76NGVD291SUSGSSA
2012-09-1218:56 UTCm62611 -63.62NAVD881SUSGSSA
2012-09-1218:56 UTCm7201983.76  1SUSGSSA
2013-04-1717:57 UTCm62610 -62.07NGVD291SUSGSSA
2013-04-1717:57 UTCm62611 -62.93NAVD881SUSGSSA
2013-04-1717:57 UTCm7201983.07  1SUSGSSA
2013-07-1615:06 UTCm62610 -63.55NGVD291TUSGSSA
2013-07-1615:06 UTCm62611 -64.41NAVD881TUSGSSA
2013-07-1615:06 UTCm7201984.55  1TUSGSSA
2013-09-0618:32 UTCm62610 -63.28NGVD291TUSGSSA
2013-09-0618:32 UTCm62611 -64.14NAVD881TUSGSSA
2013-09-0618:32 UTCm7201984.28  1TUSGSSA
2014-09-0319:13 UTCm62610 -67.62NGVD29PTUSGSSA
2014-09-0319:13 UTCm62611 -68.48NAVD88PTUSGSSA
2014-09-0319:13 UTCm7201988.62  PTUSGSSA
2015-09-1016:47 UTCm62610 -64.77NGVD291TUSGSSA
2015-09-1016:47 UTCm62611 -65.63NAVD881TUSGSSA
2015-09-1016:47 UTCm7201985.77  1TUSGSSA
2016-09-2218:29 UTCm62610 -68.47NGVD291SUSGSSA
2016-09-2218:29 UTCm62611 -69.33NAVD881SUSGSSA
2016-09-2218:29 UTCm7201989.47  1SUSGSSA
2017-09-2118:51 UTCm62610 -66.93NGVD291SUSGSSA
2017-09-2118:51 UTCm62611 -67.79NAVD881SUSGSSA
2017-09-2118:51 UTCm7201987.93  1SUSGSSA
2018-09-2517:10 UTCm62610 -67.99NGVD291SUSGSSA
2018-09-2517:10 UTCm62611 -68.85NAVD881SUSGSSA
2018-09-2517:10 UTCm7201988.99  1SUSGSSA
2019-09-1720:00 UTCm62610 -73.17NGVD291SUSGSSA
2019-09-1720:00 UTCm62611 -74.03NAVD881SUSGSSA
2019-09-1720:00 UTCm7201994.17  1SUSGSSA
2020-09-1418:20 UTCm62610 -70.45NGVD291SUSGSSA
2020-09-1418:20 UTCm62611 -71.31NAVD881SUSGSSA
2020-09-1418:20 UTCm7201991.45  1SUSGSSA
2021-09-0913:32 UTCm62610 -69.45NGVD291SUSGSSA
2021-09-0913:32 UTCm62611 -70.31NAVD881SUSGSSA
2021-09-0913:32 UTCm7201990.45  1SUSGSSA
2023-09-1215:39 UTCm62610 -70.09NGVD291SUSGSSA
2023-09-1215:39 UTCm62611 -70.95NAVD881SUSGSSA
2023-09-1215:39 UTCm7201991.09  1SUSGSSA
2024-09-1014:18 UTCm62610 -74.99NGVD291SUSGSSP
2024-09-1014:18 UTCm62611 -75.85NAVD881SUSGSSP
2024-09-1014:18 UTCm7201995.99  1SUSGSSP

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
StatusPWater level was affected by pumping at the time of the measurement
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.