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Groundwater levels for the Nation

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  • 381616076384503
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USGS 381616076384503 SM Dd 80

St. Mary'S County, Maryland
Latitude  38°16'16.0", Longitude  76°38'45.0" NAD83
Land-surface elevation 26 feet above NAVD88
The depth of the well is 812 feet below land surface.
The depth of the hole is 948 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.
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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
2008-05-0117:45 UTCm62610 -56.46NGVD291SMD006AA
2008-05-0117:45 UTCm62611 -57.41NAVD881SMD006AA
2008-05-0117:45 UTCm7201983.41  1SMD006AA
2008-09-2416:45 UTCm62610 -59.47NGVD29PSMD006AA
2008-09-2416:45 UTCm62611 -60.42NAVD88PSMD006AA
2008-09-2416:45 UTCm7201986.42  PSMD006AA
2009-04-3017:00 UTCm62610 -59.48NGVD29PSMD006AA
2009-04-3017:00 UTCm62611 -60.43NAVD88PSMD006AA
2009-04-3017:00 UTCm7201986.43  PSMD006AA
2009-09-2119:45 UTCm62610 -61.92NGVD291SMD006AA
2009-09-2119:45 UTCm62611 -62.87NAVD881SMD006AA
2009-09-2119:45 UTCm7201988.87  1SMD006AA
2010-04-2715:20 UTCm62610 -60.90NGVD291SMD006AA
2010-04-2715:20 UTCm62611 -61.85NAVD881SMD006AA
2010-04-2715:20 UTCm7201987.85  1SMD006AA
2010-10-0716:35 UTCm62610 -64.54NGVD291SMD006AA
2010-10-0716:35 UTCm62611 -65.49NAVD881SMD006AA
2010-10-0716:35 UTCm7201991.49  1SMD006AA
2011-05-1116:50 UTCm62610 -62.44NGVD29PSMD006AA
2011-05-1116:50 UTCm62611 -63.39NAVD88PSMD006AA
2011-05-1116:50 UTCm7201989.39  PSMD006AA
2011-09-2715:16 UTCm62610 -65.24NGVD291TMD006AA
2011-09-2715:16 UTCm62611 -66.19NAVD881TMD006AA
2011-09-2715:16 UTCm7201992.19  1TMD006AA
2012-04-1616:37 UTCm62610 -63.93NGVD291SMD006AA
2012-04-1616:37 UTCm62611 -64.88NAVD881SMD006AA
2012-04-1616:37 UTCm7201990.88  1SMD006AA
2012-09-2415:57 UTCm62610 -67.57NGVD291SMD006AA
2012-09-2415:57 UTCm62611 -68.52NAVD881SMD006AA
2012-09-2415:57 UTCm7201994.52  1SMD006AA
2013-04-1115:36 UTCm62610 -65.17NGVD291SMD006AA
2013-04-1115:36 UTCm62611 -66.12NAVD881SMD006AA
2013-04-1115:36 UTCm7201992.12  1SMD006AA
2013-09-1216:10 UTCm62610 -68.09NGVD291SMD006AA
2013-09-1216:10 UTCm62611 -69.04NAVD881SMD006AA
2013-09-1216:10 UTCm7201995.04  1SMD006AA
2014-04-2315:50 UTCm62610 -65.82NGVD291SMD006AA
2014-04-2315:50 UTCm62611 -66.77NAVD881SMD006AA
2014-04-2315:50 UTCm7201992.77  1SMD006AA
2014-09-2514:55 UTCm62610 -69.15NGVD291SMD006AA
2014-09-2514:55 UTCm62611 -70.10NAVD881SMD006AA
2014-09-2514:55 UTCm7201996.10  1SMD006AA
2015-04-2216:25 UTCm62610 -66.91NGVD291SMD006AA
2015-04-2216:25 UTCm62611 -67.86NAVD881SMD006AA
2015-04-2216:25 UTCm7201993.86  1SMD006AA
2015-09-1716:11 UTCm62610 -70.48NGVD291SMD006AA
2015-09-1716:11 UTCm62611 -71.43NAVD881SMD006AA
2015-09-1716:11 UTCm7201997.43  1SMD006AA
2016-04-2716:14 UTCm62610 -68.63NGVD291SMD006AA
2016-04-2716:14 UTCm62611 -69.58NAVD881SMD006AA
2016-04-2716:14 UTCm7201995.58  1SMD006AA

Explanation
SectionCodeDescription
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.
Measuring agencyMD006Maryland Geological Survey
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusAApproved for publication -- Processing and review completed.