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Groundwater levels for the Nation

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  • 411843092105101
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USGS 411843092105101 075N11W07CCBB 1997NAWQA Keokuk Co IADRN-9

Keokuk County, Iowa
Latitude  41°18'42.6", Longitude  92°10'50.9" NAD83
Land-surface elevation 678.92 feet above NAVD88
The depth of the well is 26 feet below land surface.
The depth of the hole is 26 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Holocene Alluvium (111ALVM) local aquifer.
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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
1997-07-1415:30 UTCm62610 665.35NGVD291SUSGSSA
1997-07-1415:30 UTCm62611 665.32NAVD881SUSGSSA
1997-07-1415:30 UTCm7201913.60  1SUSGSSA
1999-07-0817:00 UTCm62610 667.97NGVD291SUSGSSA
1999-07-0817:00 UTCm62611 667.94NAVD881SUSGSSA
1999-07-0817:00 UTCm7201910.98  1SUSGSSA
2005-06-07 D62610 665.66NGVD291TUSGSSA
2005-06-07 D62611 665.63NAVD881TUSGSSA
2005-06-07 D7201913.29  1TUSGSSA
2007-07-1819:00 UTCm62610 665.35NGVD291TUSGSSA
2007-07-1819:00 UTCm62611 665.32NAVD881TUSGSSA
2007-07-1819:00 UTCm7201913.60  1TUSGSSA
2009-07-1422:30 UTCm62610 669.36NGVD291TUSGSSA
2009-07-1422:30 UTCm62611 669.33NAVD881TUSGSSA
2009-07-1422:30 UTCm720199.59  1TUSGSSA
2010-07-1221:45 UTCm62610 670.45NGVD291SUSGSSA
2010-07-1221:45 UTCm62611 670.42NAVD881SUSGSSA
2010-07-1221:45 UTCm720198.50  1SUSGSSA
2011-07-1218:00 UTCm62610 668.24NGVD291TUSGSSA
2011-07-1218:00 UTCm62611 668.21NAVD881TUSGSSA
2011-07-1218:00 UTCm7201910.71  1TUSGSSA
2012-08-0115:27 UTCm62610 663.26NGVD291TUSGSSA
2012-08-0115:27 UTCm62611 663.23NAVD881TUSGSSA
2012-08-0115:27 UTCm7201915.69  1TUSGSSA
2012-11-2920:00 UTCm62610 661.07NGVD291SUSGSSA
2012-11-2920:00 UTCm62611 661.04NAVD881SUSGSSA
2012-11-2920:00 UTCm7201917.88  1SUSGSSA
2013-04-1919:25 UTCm62610 667.34NGVD291TUSGSSA
2013-04-1919:25 UTCm62611 667.31NAVD881TUSGSSA
2013-04-1919:25 UTCm7201911.61  1TUSGSSA
2013-08-2618:55 UTCm62610 663.36NGVD291TUSGSSA
2013-08-2618:55 UTCm62611 663.33NAVD881TUSGSSA
2013-08-2618:55 UTCm7201915.59  1TUSGSSA
2014-07-1614:30 UTCm62610 666.64NGVD291SUSGSSA
2014-07-1614:30 UTCm62611 666.61NAVD881SUSGSSA
2014-07-1614:30 UTCm7201912.31  1SUSGSSA
2014-07-1621:40 UTCm62610 666.64NGVD291SUSGSSA
2014-07-1621:40 UTCm62611 666.61NAVD881SUSGSSA
2014-07-1621:40 UTCm7201912.31  1SUSGSSA
2015-05-1918:55 UTCm62610 666.61NGVD291TUSGSSP
2015-05-1918:55 UTCm62611 666.58NAVD881TUSGSSP
2015-05-1918:55 UTCm7201912.34  1TUSGSSP
2015-07-0716:38 UTCm62610 667.93NGVD291SUSGSSP
2015-07-0716:38 UTCm62611 667.90NAVD881SUSGSSP
2015-07-0716:38 UTCm7201911.02  1SUSGSSP
2016-07-0519:57 UTCm62610 666.27NGVD291TUSGSSP
2016-07-0519:57 UTCm62611 666.24NAVD881TUSGSSP
2016-07-0519:57 UTCm7201912.68  1TUSGSSP
2016-11-1418:21 UTCm62610 665.29NGVD29 SUSGSSP
2016-11-1418:21 UTCm62611 665.26NAVD88 SUSGSSP
2016-11-1418:21 UTCm7201913.66   SUSGSSP
2017-03-1418:14 UTCm62610 664.79NGVD291SUSGSSP
2017-03-1418:14 UTCm62611 664.76NAVD881SUSGSSP
2017-03-1418:14 UTCm7201914.16  1SUSGSSP
2017-06-13 D62610 666.63NGVD291SUSGSSP
2017-06-13 D62611 666.60NAVD881SUSGSSP
2017-06-13 D7201912.32  1SUSGSSP
2017-06-2915:18 UTCm62610 666.02NGVD291SUSGSSP
2017-06-2915:18 UTCm62611 665.99NAVD881SUSGSSP
2017-06-2915:18 UTCm7201912.93  1SUSGSSP
2017-07-1315:13 UTCm62610 665.06NGVD291SUSGSSP
2017-07-1315:13 UTCm62611 665.03NAVD881SUSGSSP
2017-07-1315:13 UTCm7201913.89  1SUSGSSP
2017-08-0814:36 UTCm62610 663.63NGVD291SUSGSSP
2017-08-0814:36 UTCm62611 663.60NAVD881SUSGSSP
2017-08-0814:36 UTCm7201915.32  1SUSGSSP
2017-10-0316:29 UTCm62610 662.10NGVD291SUSGSSP
2017-10-0316:29 UTCm62611 662.07NAVD881SUSGSSP
2017-10-0316:29 UTCm7201916.85  1SUSGSSP
2018-02-0616:33 UTCm62610 660.61NGVD291SUSGSSP
2018-02-0616:33 UTCm62611 660.58NAVD881SUSGSSP
2018-02-0616:33 UTCm7201918.34  1SUSGSSP
2018-04-3018:42 UTCm62610 662.32NGVD291SUSGSSP
2018-04-3018:42 UTCm62611 662.29NAVD881SUSGSSP
2018-04-3018:42 UTCm7201916.63  1SUSGSSP
2018-10-0115:46 UTCm62610 665.77NGVD291SUSGSSP
2018-10-0115:46 UTCm62611 665.74NAVD881SUSGSSP
2018-10-0115:46 UTCm7201913.18  1SUSGSSP
2019-04-1818:59 UTCm62610 667.68NGVD291SUSGSSP
2019-04-1818:59 UTCm62611 667.65NAVD881SUSGSSP
2019-04-1818:59 UTCm7201911.27  1SUSGSSP
2019-06-2518:03 UTCm62610 668.92NGVD291VUSGSSA
2019-06-2518:03 UTCm62611 668.89NAVD881VUSGSSA
2019-06-2518:03 UTCm7201910.03  1VUSGSSA
2023-07-2416:42 UTCm62610 662.89NGVD291VUSGSSA
2023-07-2416:42 UTCm62611 662.86NAVD881VUSGSSA
2023-07-2416:42 UTCm7201916.06  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
StatusThe reported water-level measurement represents a static level
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.
Water-level approval statusPProvisional data subject to revision.