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Groundwater levels for the Nation

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Agency code = usgs
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  • 330825092390801
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USGS 330825092390801 18S15W21DAC1

Union County, Arkansas
Latitude  33°08'23.80", Longitude  92°39'09.29" NAD83
Land-surface elevation 200.00 feet above NGVD29
The depth of the well is 40.00 feet below land surface.
The depth of the hole is 40.00 feet below land surface.
This well is completed in the Mississippi embayment aquifer system (S100MSEMBM) national aquifer.
This well is completed in the Cockfield Formation of Claiborne Group (124CCKF) local aquifer.
Output formats
Table of data
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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
1986-02-12 D62610 183.60NGVD291S  A
1986-02-12 D62611 183.35NAVD881S  A
1986-02-12 D7201916.40  1S  A
1996-11-14 D62610 182.69NGVD291SUSGSSA
1996-11-14 D62611 182.44NAVD881SUSGSSA
1996-11-14 D7201917.31  1SUSGSSA
2000-01-1320:05 UTCm62610 173.71NGVD291SUSGSSA
2000-01-1320:05 UTCm62611 173.46NAVD881SUSGSSA
2000-01-1320:05 UTCm7201926.29  1SUSGSSA
2003-04-3019:00 UTCm62610 175.57NGVD291SUSGSSA
2003-04-3019:00 UTCm62611 175.32NAVD881SUSGSSA
2003-04-3019:00 UTCm7201924.43  1SUSGSSA
2006-03-0115:40 UTCm62610 173.87NGVD291SUSGSSA
2006-03-0115:40 UTCm62611 173.62NAVD881SUSGSSA
2006-03-0115:40 UTCm7201926.13  1SUSGSSA
2009-02-1820:57 UTCm62610 174.14NGVD291VUSGSSA
2009-02-1820:57 UTCm62611 173.89NAVD881VUSGSSA
2009-02-1820:57 UTCm7201925.86  1VUSGSSA
2021-04-2220:49 UTCm62610 196.58NGVD291SUSGSSA
2021-04-2220:49 UTCm62611 196.33NAVD881SUSGSSA
2021-04-2220:49 UTCm720193.42  1SUSGSSA
2024-04-1521:42 UTCm62610 196.94NGVD291VUSGSSP
2024-04-1521:42 UTCm62611 196.69NAVD881VUSGSSP
2024-04-1521:42 UTCm720193.06  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 measurementSSteel-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.