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Groundwater levels for the Nation

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Agency code = usgs
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  • 385134075480401
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USGS 385134075480401 CO Db 79

Caroline County, Maryland
Latitude  38°51'33.66", Longitude  75°48'04.44" NAD83
Land-surface elevation 40 feet above NGVD29
The depth of the well is 22 feet below land surface.
The depth of the hole is 40 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
2002-09-12 D62610 30.00NGVD291SUSGSSA
2002-09-12 D62611 29.22NAVD881SUSGSSA
2002-09-12 D7201910.00  1SUSGSSA
2005-08-30 D62610 30.14NGVD291TUSGSSA
2005-08-30 D62611 29.36NAVD881TUSGSSA
2005-08-30 D720199.86  1TUSGSSA
2006-08-02 D62610 34.20NGVD291TUSGSSA
2006-08-02 D62611 33.42NAVD881TUSGSSA
2006-08-02 D720195.80  1TUSGSSA
2007-06-20 D62610 30.93NGVD291TUSGSSA
2007-06-20 D62611 30.15NAVD881TUSGSSA
2007-06-20 D720199.07  1TUSGSSA
2008-06-1116:00 UTCm62610 33.47NGVD291TUSGSSA
2008-06-1116:00 UTCm62611 32.69NAVD881TUSGSSA
2008-06-1116:00 UTCm720196.53  1TUSGSSA
2009-08-03 D62610 31.13NGVD291TUSGSSA
2009-08-03 D62611 30.35NAVD881TUSGSSA
2009-08-03 D720198.87  1TUSGSSA
2010-08-23 D62610 29.60NGVD291TUSGSSA
2010-08-23 D62611 28.82NAVD881TUSGSSA
2010-08-23 D7201910.40  1TUSGSSA
2011-07-21 D62610 29.47NGVD291TUSGSSA
2011-07-21 D62611 28.69NAVD881TUSGSSA
2011-07-21 D7201910.53  1TUSGSSA
2012-07-1217:37 UTCm62610 28.79NGVD291TUSGSSA
2012-07-1217:37 UTCm62611 28.01NAVD881TUSGSSA
2012-07-1217:37 UTCm7201911.21  1TUSGSSA
2012-08-1611:35 UTCm62610 28.04NGVD291TUSGSSA
2012-08-1611:35 UTCm62611 27.26NAVD881TUSGSSA
2012-08-1611:35 UTCm7201911.96  1TUSGSSA
2013-06-0614:35 UTCm62610 31.47NGVD291TUSGSSA
2013-06-0614:35 UTCm62611 30.69NAVD881TUSGSSA
2013-06-0614:35 UTCm720198.53  1TUSGSSA
2014-08-2815:00 UTCm62610 29.48NGVD291TUSGSSA
2014-08-2815:00 UTCm62611 28.70NAVD881TUSGSSA
2014-08-2815:00 UTCm7201910.52  1TUSGSSA
2016-07-2115:52 UTCm62610 32.23NGVD291TUSGSSA
2016-07-2115:52 UTCm62611 31.45NAVD881TUSGSSA
2016-07-2115:52 UTCm720197.77  1TUSGSSA
2018-08-0717:12 UTCm62610 34.09NGVD291VUSGSSA
2018-08-0717:12 UTCm62611 33.31NAVD881VUSGSSA
2018-08-0717:12 UTCm720195.91  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 agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.