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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 335950093073601
Minimum number of levels = 1
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USGS 335950093073601 08S20W34DAB1

Clark County, Arkansas
Latitude  33°59'54.15", Longitude  93°07'44.35" NAD83
Land-surface elevation 199 feet above NAVD88
The depth of the well is 100 feet below land surface.
This well is completed in the Mississippi embayment aquifer system (S100MSEMBM) national aquifer.
This well is completed in the Nacatoch Sand (211NCTC) 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
1947-01-01 D62610 182.00NGVD291O  A
1947-01-01 D62611 181.97NAVD881O  A
1947-01-01 D7201918.00  1O  A
1996-08-16 D62610 181.67NGVD291SUSGSSA
1996-08-16 D62611 181.64NAVD881SUSGSSA
1996-08-16 D7201918.33  1SUSGSSA
1999-05-0316:20 UTCm62610 183.31NGVD291SUSGSSA
1999-05-0316:20 UTCm62611 183.28NAVD881SUSGSSA
1999-05-0316:20 UTCm7201916.69  1SUSGSSA
2002-01-3119:35 UTCm62610 183.23NGVD291SUSGSSA
2002-01-3119:35 UTCm62611 183.20NAVD881SUSGSSA
2002-01-3119:35 UTCm7201916.77  1SUSGSSA
2005-02-1515:25 UTCm62610 182.87NGVD291SUSGSSA
2005-02-1515:25 UTCm62611 182.84NAVD881SUSGSSA
2005-02-1515:25 UTCm7201917.13  1SUSGSSA
2008-02-2820:24 UTCm62610 181.53NGVD291SUSGSSA
2008-02-2820:24 UTCm62611 181.50NAVD881SUSGSSA
2008-02-2820:24 UTCm7201918.47  1SUSGSSA
2011-03-0321:00 UTCm62610 182.76NGVD291SUSGSSA
2011-03-0321:00 UTCm62611 182.73NAVD881SUSGSSA
2011-03-0321:00 UTCm7201917.24  1SUSGSSA
2014-02-1920:30 UTCm62610 182.77NGVD291SUSGSSA
2014-02-1920:30 UTCm62611 182.74NAVD881SUSGSSA
2014-02-1920:30 UTCm7201917.23  1SUSGSSA
2017-06-2817:00 UTCm62610 182.32NGVD291TUSGSSA
2017-06-2817:00 UTCm62611 182.29NAVD881TUSGSSA
2017-06-2817:00 UTCm7201917.68  1TUSGSSA
2020-02-2720:35 UTCm62610 183.61NGVD291SUSGSSA
2020-02-2720:35 UTCm62611 183.58NAVD881SUSGSSA
2020-02-2720:35 UTCm7201916.39  1SUSGSSA
2023-04-0714:51 UTCm62610 183.73NGVD291VUSGSSP
2023-04-0714:51 UTCm62611 183.70NAVD881VUSGSSP
2023-04-0714:51 UTCm7201916.27  1VUSGSSP

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 measurementOObserved.
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Method of measurementVCalibrated electric-tape measurement.
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.