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Groundwater levels for the Nation

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Agency code = usgs
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  • 421115091250501
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USGS 421115091250501 085N05W10BDCC 1997NAWQA IADRN-4

Linn County, Iowa
Latitude  42°11'15.3", Longitude  91°25'05.5" NAD83
Land-surface elevation 845.78 feet above NAVD88
The depth of the well is 23.0 feet below land surface.
The depth of the hole is 23.0 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.
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
1997-07-2414:10 UTCm62610 832.77NGVD291SUSGSSA
1997-07-2414:10 UTCm62611 832.68NAVD881SUSGSSA
1997-07-2414:10 UTCm7201913.10  1SUSGSSA
1999-08-0314:00 UTCm62610 834.57NGVD291SUSGSSA
1999-08-0314:00 UTCm62611 834.48NAVD881SUSGSSA
1999-08-0314:00 UTCm7201911.30  1SUSGSSA
2002-08-2618:00 UTCm62610 833.65NGVD291SUSGSSA
2002-08-2618:00 UTCm62611 833.56NAVD881SUSGSSA
2002-08-2618:00 UTCm7201912.22  1SUSGSSA
2005-07-2216:00 UTCm62610 828.97NGVD291SUSGSSA
2005-07-2216:00 UTCm62611 828.88NAVD881SUSGSSA
2005-07-2216:00 UTCm7201916.90  1SUSGSSA
2005-09-26 D62610 828.61NGVD291TUSGSSA
2005-09-26 D62611 828.52NAVD881TUSGSSA
2005-09-26 D7201917.26  1TUSGSSA
2007-08-0718:30 UTCm62610 832.09NGVD291TUSGSSA
2007-08-0718:30 UTCm62611 832.00NAVD881TUSGSSA
2007-08-0718:30 UTCm7201913.78  1TUSGSSA
2009-06-0917:50 UTCm62610 832.21NGVD291TUSGSSA
2009-06-0917:50 UTCm62611 832.12NAVD881TUSGSSA
2009-06-0917:50 UTCm7201913.66  1TUSGSSA
2009-06-2414:55 UTCm62610 832.55NGVD291TUSGSSA
2009-06-2414:55 UTCm62611 832.46NAVD881TUSGSSA
2009-06-2414:55 UTCm7201913.32  1TUSGSSA
2010-07-2614:55 UTCm62610 837.08NGVD291SUSGSSA
2010-07-2614:55 UTCm62611 836.99NAVD881SUSGSSA
2010-07-2614:55 UTCm720198.79  1SUSGSSA
2011-06-2114:40 UTCm62610 834.99NGVD291TUSGSSA
2011-06-2114:40 UTCm62611 834.90NAVD881TUSGSSA
2011-06-2114:40 UTCm7201910.88  1TUSGSSA
2012-08-2221:32 UTCm62610 829.64NGVD291SUSGSSA
2012-08-2221:32 UTCm62611 829.55NAVD881SUSGSSA
2012-08-2221:32 UTCm7201916.23  1SUSGSSA
2012-12-1415:00 UTCm62610 828.68NGVD291SUSGSSA
2012-12-1415:00 UTCm62611 828.59NAVD881SUSGSSA
2012-12-1415:00 UTCm7201917.19  1SUSGSSA
2013-04-1913:46 UTCm62610 830.27NGVD291TUSGSSA
2013-04-1913:46 UTCm62611 830.18NAVD881TUSGSSA
2013-04-1913:46 UTCm7201915.60  1TUSGSSA
2013-08-2718:35 UTCm62610 832.60NGVD291TUSGSSA
2013-08-2718:35 UTCm62611 832.51NAVD881TUSGSSA
2013-08-2718:35 UTCm7201913.27  1TUSGSSA
2014-08-0518:41 UTCm62610 833.57NGVD291SUSGSSA
2014-08-0518:41 UTCm62611 833.48NAVD881SUSGSSA
2014-08-0518:41 UTCm7201912.30  1SUSGSSA
2014-08-0520:07 UTCm62610 833.57NGVD291SUSGSSA
2014-08-0520:07 UTCm62611 833.48NAVD881SUSGSSA
2014-08-0520:07 UTCm7201912.30  1SUSGSSA
2014-08-2718:06 UTCm62610 832.48NGVD291SUSGSSA
2014-08-2718:06 UTCm62611 832.39NAVD881SUSGSSA
2014-08-2718:06 UTCm7201913.39  1SUSGSSA
2014-10-0615:34 UTCm62610 831.64NGVD291SUSGSSP
2014-10-0615:34 UTCm62611 831.55NAVD881SUSGSSP
2014-10-0615:34 UTCm7201914.23  1SUSGSSP
2015-05-1415:22 UTCm62610 830.51NGVD291TUSGSSP
2015-05-1415:22 UTCm62611 830.42NAVD881TUSGSSP
2015-05-1415:22 UTCm7201915.36  1TUSGSSP
2015-07-0914:23 UTCm62610 833.69NGVD291SUSGSSP
2015-07-0914:23 UTCm62611 833.60NAVD881SUSGSSP
2015-07-0914:23 UTCm7201912.18  1SUSGSSP
2016-07-1321:07 UTCm62610 833.57NGVD291TUSGSSP
2016-07-1321:07 UTCm62611 833.48NAVD881TUSGSSP
2016-07-1321:07 UTCm7201912.30  1TUSGSSP
2016-12-2217:20 UTCm62610 832.41NGVD291TUSGSSP
2016-12-2217:20 UTCm62611 832.32NAVD881TUSGSSP
2016-12-2217:20 UTCm7201913.46  1TUSGSSP
2017-07-1915:26 UTCm62610 834.27NGVD291SUSGSSP
2017-07-1915:26 UTCm62611 834.18NAVD881SUSGSSP
2017-07-1915:26 UTCm7201911.60  1SUSGSSP
2017-07-24 D62610 834.03NGVD291SUSGSSP
2017-07-24 D62611 833.94NAVD881SUSGSSP
2017-07-24 D7201911.84  1SUSGSSP
2017-10-2317:22 UTCm62610 831.23NGVD291VUSGSSP
2017-10-2317:22 UTCm62611 831.14NAVD881VUSGSSP
2017-10-2317:22 UTCm7201914.64  1VUSGSSP
2018-01-3116:40 UTCm62610 829.87NGVD291SUSGSSP
2018-01-3116:40 UTCm62611 829.78NAVD881SUSGSSP
2018-01-3116:40 UTCm7201916.00  1SUSGSSP
2018-04-0218:27 UTCm62610 829.94NGVD291SUSGSSP
2018-04-0218:27 UTCm62611 829.85NAVD881SUSGSSP
2018-04-0218:27 UTCm7201915.93  1SUSGSSP
2018-08-2715:55 UTCm62610 832.66NGVD291SUSGSSP
2018-08-2715:55 UTCm62611 832.57NAVD881SUSGSSP
2018-08-2715:55 UTCm7201913.21  1SUSGSSP
2019-08-0815:42 UTCm62610 833.56NGVD291VUSGSSA
2019-08-0815:42 UTCm62611 833.47NAVD881VUSGSSA
2019-08-0815:42 UTCm7201912.31  1VUSGSSA
2023-08-1513:36 UTCm62610 830.23NGVD291VUSGSSA
2023-08-1513:36 UTCm62611 830.14NAVD881VUSGSSA
2023-08-1513:36 UTCm7201915.64  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.
Water-level approval statusPProvisional data subject to revision.