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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 381731076242401
Minimum number of levels = 1
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USGS 381731076242401 SM Dg 22

St. Mary'S County, Maryland
Latitude  38°17'30.4", Longitude  76°24'22.7" NAD83
Land-surface elevation 12 feet above NGVD29
The depth of the well is 278 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 Piney Point Formation (124PNPN) 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
1998-02-26 D62610 -25.05NGVD291Z  A
1998-02-26 D62611 -25.88NAVD881Z  A
1998-02-26 D7201937.05  1Z  A
1998-04-29 D62610 -24.61NGVD291Z  A
1998-04-29 D62611 -25.44NAVD881Z  A
1998-04-29 D7201936.61  1Z  A
1998-09-02 D62610 -25.39NGVD291Z  A
1998-09-02 D62611 -26.22NAVD881Z  A
1998-09-02 D7201937.39  1Z  A
2002-04-24 D62610 -25.06NGVD291Z  A
2002-04-24 D62611 -25.89NAVD881Z  A
2002-04-24 D7201937.06  1Z  A
2003-04-2215:05 UTCm62610 -26.38NGVD291SUSGSSA
2003-04-2215:05 UTCm62611 -27.21NAVD881SUSGSSA
2003-04-2215:05 UTCm7201938.38  1SUSGSSA
2003-07-2321:30 UTCm62610 -26.73NGVD291SUSGSSA
2003-07-2321:30 UTCm62611 -27.56NAVD881SUSGSSA
2003-07-2321:30 UTCm7201938.73  1SUSGSSA
2003-10-0218:30 UTCm62610 -26.79NGVD291SUSGSSA
2003-10-0218:30 UTCm62611 -27.62NAVD881SUSGSSA
2003-10-0218:30 UTCm7201938.79  1SUSGSSA
2004-02-24 D62610 -26.58NGVD291SUSGSSA
2004-02-24 D62611 -27.41NAVD881SUSGSSA
2004-02-24 D7201938.58  1SUSGSSA
2006-02-16 D62610 -27.59NGVD291SUSGSSA
2006-02-16 D62611 -28.42NAVD881SUSGSSA
2006-02-16 D7201939.59  1SUSGSSA
2006-04-28 D62610 -27.35NGVD291SUSGSSA
2006-04-28 D62611 -28.18NAVD881SUSGSSA
2006-04-28 D7201939.35  1SUSGSSA
2006-07-07 D62610 -27.63NGVD291SUSGSSA
2006-07-07 D62611 -28.46NAVD881SUSGSSA
2006-07-07 D7201939.63  1SUSGSSA
2006-09-27 D62610 -28.00NGVD291SUSGSSA
2006-09-27 D62611 -28.83NAVD881SUSGSSA
2006-09-27 D7201940.00  1SUSGSSA
2006-12-12 D62610 -27.76NGVD291SUSGSSA
2006-12-12 D62611 -28.59NAVD881SUSGSSA
2006-12-12 D7201939.76  1SUSGSSA
2007-04-18 D62610 -26.89NGVD291SUSGSSA
2007-04-18 D62611 -27.72NAVD881SUSGSSA
2007-04-18 D7201938.89  1SUSGSSA
2007-07-03 D62610 -28.30NGVD291SUSGSSA
2007-07-03 D62611 -29.13NAVD881SUSGSSA
2007-07-03 D7201940.30  1SUSGSSA
2007-09-19 D62610 -28.01NGVD291SUSGSSA
2007-09-19 D62611 -28.84NAVD881SUSGSSA
2007-09-19 D7201940.01  1SUSGSSA
2007-12-18 D62610 -28.03NGVD291SUSGSSA
2007-12-18 D62611 -28.86NAVD881SUSGSSA
2007-12-18 D7201940.03  1SUSGSSA
2008-04-09 D62610 -26.84NGVD291SUSGSSA
2008-04-09 D62611 -27.67NAVD881SUSGSSA
2008-04-09 D7201938.84  1SUSGSSA
2008-07-09 D62610 -27.02NGVD291SUSGSSA
2008-07-09 D62611 -27.85NAVD881SUSGSSA
2008-07-09 D7201939.02  1SUSGSSA
2008-09-18 D62610 -27.54NGVD291SUSGSSA
2008-09-18 D62611 -28.37NAVD881SUSGSSA
2008-09-18 D7201939.54  1SUSGSSA
2009-01-22 D62610 -27.05NGVD291SUSGSSA
2009-01-22 D62611 -27.88NAVD881SUSGSSA
2009-01-22 D7201939.05  1SUSGSSA
2009-04-28 D62610 -26.67NGVD291SUSGSSA
2009-04-28 D62611 -27.50NAVD881SUSGSSA
2009-04-28 D7201938.67  1SUSGSSA
2009-07-07 D62610 -26.26NGVD291SUSGSSA
2009-07-07 D62611 -27.09NAVD881SUSGSSA
2009-07-07 D7201938.26  1SUSGSSA
2009-09-23 D62610 -26.76NGVD291SUSGSSA
2009-09-23 D62611 -27.59NAVD881SUSGSSA
2009-09-23 D7201938.76  1SUSGSSA
2009-12-16 D62610 -26.15NGVD291SUSGSSA
2009-12-16 D62611 -26.98NAVD881SUSGSSA
2009-12-16 D7201938.15  1SUSGSSA
2010-04-22 D62610 -25.58NGVD291SUSGSSA
2010-04-22 D62611 -26.41NAVD881SUSGSSA
2010-04-22 D7201937.58  1SUSGSSA
2010-07-08 D62610 -26.34NGVD291SUSGSSA
2010-07-08 D62611 -27.17NAVD881SUSGSSA
2010-07-08 D7201938.34  1SUSGSSA
2010-09-1416:56 UTCm62610 -26.89NGVD291SUSGSSA
2010-09-1416:56 UTCm62611 -27.72NAVD881SUSGSSA
2010-09-1416:56 UTCm7201938.89  1SUSGSSA
2011-01-1416:54 UTCm62610 -26.59NGVD291SUSGSSA
2011-01-1416:54 UTCm62611 -27.42NAVD881SUSGSSA
2011-01-1416:54 UTCm7201938.59  1SUSGSSA
2011-04-2714:15 UTCm62610 -25.58NGVD291SUSGSSA
2011-04-2714:15 UTCm62611 -26.41NAVD881SUSGSSA
2011-04-2714:15 UTCm7201937.58  1SUSGSSA
2011-07-1916:47 UTCm62610 -26.24NGVD291SUSGSSA
2011-07-1916:47 UTCm62611 -27.07NAVD881SUSGSSA
2011-07-1916:47 UTCm7201938.24  1SUSGSSA
2011-09-2116:57 UTCm62610 -26.33NGVD291SUSGSSA
2011-09-2116:57 UTCm62611 -27.16NAVD881SUSGSSA
2011-09-2116:57 UTCm7201938.33  1SUSGSSA
2012-01-0614:14 UTCm62610 -26.24NGVD291SUSGSSA
2012-01-0614:14 UTCm62611 -27.07NAVD881SUSGSSA
2012-01-0614:14 UTCm7201938.24  1SUSGSSA
2012-04-2513:35 UTCm62610 -25.91NGVD291SUSGSSA
2012-04-2513:35 UTCm62611 -26.74NAVD881SUSGSSA
2012-04-2513:35 UTCm7201937.91  1SUSGSSA
2012-09-1218:24 UTCm62610 -26.74NGVD291SUSGSSA
2012-09-1218:24 UTCm62611 -27.57NAVD881SUSGSSA
2012-09-1218:24 UTCm7201938.74  1SUSGSSA
2013-04-1716:25 UTCm62610 -25.28NGVD291SUSGSSA
2013-04-1716:25 UTCm62611 -26.11NAVD881SUSGSSA
2013-04-1716:25 UTCm7201937.28  1SUSGSSA
2013-07-1613:44 UTCm62610 -25.21NGVD291TUSGSSA
2013-07-1613:44 UTCm62611 -26.04NAVD881TUSGSSA
2013-07-1613:44 UTCm7201937.21  1TUSGSSA
2013-09-0617:28 UTCm62610 -25.28NGVD291TUSGSSA
2013-09-0617:28 UTCm62611 -26.11NAVD881TUSGSSA
2013-09-0617:28 UTCm7201937.28  1TUSGSSA
2014-09-0318:32 UTCm62610 -24.87NGVD291TUSGSSA
2014-09-0318:32 UTCm62611 -25.70NAVD881TUSGSSA
2014-09-0318:32 UTCm7201936.87  1TUSGSSA
2015-09-1015:47 UTCm62610 -24.35NGVD291TUSGSSA
2015-09-1015:47 UTCm62611 -25.18NAVD881TUSGSSA
2015-09-1015:47 UTCm7201936.35  1TUSGSSA
2016-09-2217:15 UTCm62610 -24.13NGVD291SUSGSSA
2016-09-2217:15 UTCm62611 -24.96NAVD881SUSGSSA
2016-09-2217:15 UTCm7201936.13  1SUSGSSA
2017-10-0518:23 UTCm62610 -23.85NGVD291SUSGSSA
2017-10-0518:23 UTCm62611 -24.68NAVD881SUSGSSA
2017-10-0518:23 UTCm7201935.85  1SUSGSSA
2018-09-2518:44 UTCm62610 -22.84NGVD291SUSGSSA
2018-09-2518:44 UTCm62611 -23.67NAVD881SUSGSSA
2018-09-2518:44 UTCm7201934.84  1SUSGSSA
2019-09-1721:07 UTCm62610 -22.74NGVD291SUSGSSA
2019-09-1721:07 UTCm62611 -23.57NAVD881SUSGSSA
2019-09-1721:07 UTCm7201934.74  1SUSGSSA
2020-09-1421:14 UTCm62610 -22.65NGVD291SUSGSSA
2020-09-1421:14 UTCm62611 -23.48NAVD881SUSGSSA
2020-09-1421:14 UTCm7201934.65  1SUSGSSA
2021-09-0915:15 UTCm62610 -22.45NGVD291SUSGSSA
2021-09-0915:15 UTCm62611 -23.28NAVD881SUSGSSA
2021-09-0915:15 UTCm7201934.45  1SUSGSSA
2022-09-0815:48 UTCm62610 -22.55NGVD291SUSGSSA
2022-09-0815:48 UTCm62611 -23.38NAVD881SUSGSSA
2022-09-0815:48 UTCm7201934.55  1SUSGSSA
2023-09-1313:32 UTCm62610 -22.74NGVD291SUSGSSA
2023-09-1313:32 UTCm62611 -23.57NAVD881SUSGSSA
2023-09-1313:32 UTCm7201934.74  1SUSGSSA
2024-09-1113:02 UTCm62610 -23.10NGVD291SUSGSSP
2024-09-1113:02 UTCm62611 -23.93NAVD881SUSGSSP
2024-09-1113:02 UTCm7201935.10  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
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.