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Groundwater levels for the Nation

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  • 422518092144701
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USGS 422518092144701 088N12W21ACDC 1997NAWQA Black Hwk Co IADRN-3

Black Hawk County, Iowa
Latitude  42°25'17.8", Longitude  92°14'47.8" NAD83
Land-surface elevation 822.35 feet above NAVD88
The depth of the well is 17.5 feet below land surface.
The depth of the hole is 17.5 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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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
1997-07-2214:30 UTCm62610 815.44NGVD291SUSGSSA
1997-07-2214:30 UTCm62611 815.37NAVD881SUSGSSA
1997-07-2214:30 UTCm720196.98  1SUSGSSA
1999-07-1517:00 UTCm62610 818.32NGVD291SUSGSSA
1999-07-1517:00 UTCm62611 818.25NAVD881SUSGSSA
1999-07-1517:00 UTCm720194.10  1SUSGSSA
2005-10-1719:27 UTCm62610 814.09NGVD291TUSGSSA
2005-10-1719:27 UTCm62611 814.02NAVD881TUSGSSA
2005-10-1719:27 UTCm720198.33  1TUSGSSA
2007-08-0116:00 UTCm62610 815.44NGVD291TUSGSSA
2007-08-0116:00 UTCm62611 815.37NAVD881TUSGSSA
2007-08-0116:00 UTCm720196.98  1TUSGSSA
2009-07-2319:45 UTCm62610 816.07NGVD291TUSGSSA
2009-07-2319:45 UTCm62611 816.00NAVD881TUSGSSA
2009-07-2319:45 UTCm720196.35  1TUSGSSA
2010-07-1420:10 UTCm62610 819.95NGVD291SUSGSSA
2010-07-1420:10 UTCm62611 819.88NAVD881SUSGSSA
2010-07-1420:10 UTCm720192.47  1SUSGSSA
2011-07-1322:45 UTCm62610 816.51NGVD291TUSGSSA
2011-07-1322:45 UTCm62611 816.44NAVD881TUSGSSA
2011-07-1322:45 UTCm720195.91  1TUSGSSA
2012-08-0221:07 UTCm62610 813.37NGVD291SUSGSSA
2012-08-0221:07 UTCm62611 813.30NAVD881SUSGSSA
2012-08-0221:07 UTCm720199.05  1SUSGSSA
2013-06-0516:30 UTCm62610 820.54NGVD291TUSGSSA
2013-06-0516:30 UTCm62611 820.47NAVD881TUSGSSA
2013-06-0516:30 UTCm720191.88  1TUSGSSA
2014-05-0717:18 UTCm62610 816.05NGVD291SUSGSSA
2014-05-0717:18 UTCm62611 815.98NAVD881SUSGSSA
2014-05-0717:18 UTCm720196.37  1SUSGSSA
2015-03-3015:15 UTCm62610 813.79NGVD291SUSGSSP
2015-03-3015:15 UTCm62611 813.72NAVD881SUSGSSP
2015-03-3015:15 UTCm720198.63  1SUSGSSP
2015-07-0900:17 UTCm62610 816.34NGVD291SUSGSSP
2015-07-0900:17 UTCm62611 816.27NAVD881SUSGSSP
2015-07-0900:17 UTCm720196.08  1SUSGSSP
2016-07-1319:37 UTCm62610 816.61NGVD291TUSGSSP
2016-07-1319:37 UTCm62611 816.54NAVD881TUSGSSP
2016-07-1319:37 UTCm720195.81  1TUSGSSP
2017-06-20 D62610 816.52NGVD291SUSGSSP
2017-06-20 D62611 816.45NAVD881SUSGSSP
2017-06-20 D720195.90  1SUSGSSP
2017-11-0217:00 UTCm62610 814.07NGVD291SUSGSSP
2017-11-0217:00 UTCm62611 814.00NAVD881SUSGSSP
2017-11-0217:00 UTCm720198.35  1SUSGSSP
2019-07-1116:20 UTCm62610 817.56NGVD291VUSGSSA
2019-07-1116:20 UTCm62611 817.49NAVD881VUSGSSA
2019-07-1116:20 UTCm720194.86  1VUSGSSA
2023-08-1615:13 UTCm62610 813.43NGVD291VUSGSSA
2023-08-1615:13 UTCm62611 813.36NAVD881VUSGSSA
2023-08-1615:13 UTCm720198.99  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.