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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 381418076293601
Minimum number of levels = 1
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USGS 381418076293601 SM Ef 89

St. Mary'S County, Maryland
Latitude  38°14'17.8", Longitude  76°29'36.8" NAD83
Land-surface elevation 45 feet above NGVD29
The depth of the well is 348 feet below land surface.
The depth of the hole is 348 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
2004-06-17 D62610 -32.96NGVD291SUSGSSA
2004-06-17 D62611 -33.91NAVD881SUSGSSA
2004-06-17 D7201977.96  1SUSGSSA
2004-09-29 D62610 -26.26NGVD291SUSGSSA
2004-09-29 D62611 -27.21NAVD881SUSGSSA
2004-09-29 D7201971.26  1SUSGSSA
2005-09-15 D62610 -36.33NGVD291SUSGSSA
2005-09-15 D62611 -37.28NAVD881SUSGSSA
2005-09-15 D7201981.33  1SUSGSSA
2006-09-27 D62610 -33.44NGVD291SUSGSSA
2006-09-27 D62611 -34.39NAVD881SUSGSSA
2006-09-27 D7201978.44  1SUSGSSA
2007-09-26 D62610 -32.28NGVD291SUSGSSA
2007-09-26 D62611 -33.23NAVD881SUSGSSA
2007-09-26 D7201977.28  1SUSGSSA
2008-09-18 D62610 -30.28NGVD291SUSGSSA
2008-09-18 D62611 -31.23NAVD881SUSGSSA
2008-09-18 D7201975.28  1SUSGSSA
2009-09-23 D62610 -22.89NGVD291SUSGSSA
2009-09-23 D62611 -23.84NAVD881SUSGSSA
2009-09-23 D7201967.89  1SUSGSSA
2010-09-14 D62610 -27.55NGVD291SUSGSSA
2010-09-14 D62611 -28.50NAVD881SUSGSSA
2010-09-14 D7201972.55  1SUSGSSA
2011-09-2116:50 UTCm62610 -23.44NGVD291SUSGSSA
2011-09-2116:50 UTCm62611 -24.39NAVD881SUSGSSA
2011-09-2116:50 UTCm7201968.44  1SUSGSSA
2012-04-2615:13 UTCm62610 -20.21NGVD291SMD006AA
2012-04-2615:13 UTCm62611 -21.16NAVD881SMD006AA
2012-04-2615:13 UTCm7201965.21  1SMD006AA
2012-09-1214:46 UTCm62610 -20.44NGVD291TUSGSSA
2012-09-1214:46 UTCm62611 -21.39NAVD881TUSGSSA
2012-09-1214:46 UTCm7201965.44  1TUSGSSA
2013-09-0613:02 UTCm62610 -17.39NGVD291TUSGSSA
2013-09-0613:02 UTCm62611 -18.34NAVD881TUSGSSA
2013-09-0613:02 UTCm7201962.39  1TUSGSSA
2014-09-1720:08 UTCm62610 -18.35NGVD291TUSGSSA
2014-09-1720:08 UTCm62611 -19.30NAVD881TUSGSSA
2014-09-1720:08 UTCm7201963.35  1TUSGSSA
2015-09-1114:14 UTCm62610 -15.83NGVD291TUSGSSA
2015-09-1114:14 UTCm62611 -16.78NAVD881TUSGSSA
2015-09-1114:14 UTCm7201960.83  1TUSGSSA
2016-09-2221:00 UTCm62610 -15.91NGVD291TUSGSSA
2016-09-2221:00 UTCm62611 -16.86NAVD881TUSGSSA
2016-09-2221:00 UTCm7201960.91  1TUSGSSA
2017-09-2113:41 UTCm62610 -15.02NGVD291TUSGSSA
2017-09-2113:41 UTCm62611 -15.97NAVD881TUSGSSA
2017-09-2113:41 UTCm7201960.02  1TUSGSSA
2018-09-1316:23 UTCm62610 -13.21NGVD291TUSGSSA
2018-09-1316:23 UTCm62611 -14.16NAVD881TUSGSSA
2018-09-1316:23 UTCm7201958.21  1TUSGSSA
2019-09-1019:11 UTCm62610 -12.90NGVD291VUSGSSA
2019-09-1019:11 UTCm62611 -13.85NAVD881VUSGSSA
2019-09-1019:11 UTCm7201957.90  1VUSGSSA
2020-09-0215:49 UTCm62610 -12.34NGVD291VUSGSSA
2020-09-0215:49 UTCm62611 -13.29NAVD881VUSGSSA
2020-09-0215:49 UTCm7201957.34  1VUSGSSA
2021-09-1416:07 UTCm62610 -11.70NGVD291VUSGSSA
2021-09-1416:07 UTCm62611 -12.65NAVD881VUSGSSA
2021-09-1416:07 UTCm7201956.70  1VUSGSSA
2022-09-0615:12 UTCm62610 -11.47NGVD291VUSGSSA
2022-09-0615:12 UTCm62611 -12.42NAVD881VUSGSSA
2022-09-0615:12 UTCm7201956.47  1VUSGSSA
2023-09-1114:41 UTCm62610 -11.21NGVD291VUSGSSA
2023-09-1114:41 UTCm62611 -12.16NAVD881VUSGSSA
2023-09-1114:41 UTCm7201956.21  1VUSGSSA
2024-09-1214:00 UTCm62610 -11.87NGVD291VUSGSSA
2024-09-1214:00 UTCm62611 -12.82NAVD881VUSGSSA
2024-09-1214:00 UTCm7201956.87  1VUSGSSA

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 measurementVCalibrated electric-tape measurement.
Measuring agencyMD006Maryland Geological Survey
Measuring agencyUSGSU.S. Geological Survey
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.