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Groundwater levels for the Nation

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  • 413248092011301
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USGS 413248092011301 078N10W21BCD 1997NAWQA Iowa County

Iowa County, Iowa
Latitude  41°32'48.6", Longitude  92°01'12.9" NAD83
Land-surface elevation 712.30 feet above NAVD88
The depth of the well is 18.0 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
Tab-separated 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
1997-07-0715:50 UTCm62610 706.44NGVD291SUSGSSA
1997-07-0715:50 UTCm62611 706.36NAVD881SUSGSSA
1997-07-0715:50 UTCm720195.94  1SUSGSSA
1999-07-1217:00 UTCm62610 707.78NGVD291SUSGSSA
1999-07-1217:00 UTCm62611 707.70NAVD881SUSGSSA
1999-07-1217:00 UTCm720194.60  1SUSGSSA
2005-09-19 D62610 703.38NGVD291TUSGSSA
2005-09-19 D62611 703.30NAVD881TUSGSSA
2005-09-19 D720199.00  1TUSGSSA
2007-06-1318:30 UTCm62610 706.68NGVD291TUSGSSA
2007-06-1318:30 UTCm62611 706.60NAVD881TUSGSSA
2007-06-1318:30 UTCm720195.70  1TUSGSSA
2009-06-1218:15 UTCm62610 708.80NGVD291TUSGSSA
2009-06-1218:15 UTCm62611 708.72NAVD881TUSGSSA
2009-06-1218:15 UTCm720193.58  1TUSGSSA
2010-07-1515:45 UTCm62610 709.25NGVD291SUSGSSA
2010-07-1515:45 UTCm62611 709.17NAVD881SUSGSSA
2010-07-1515:45 UTCm720193.13  1SUSGSSA
2011-07-1414:45 UTCm62610 708.22NGVD291TUSGSSA
2011-07-1414:45 UTCm62611 708.14NAVD881TUSGSSA
2011-07-1414:45 UTCm720194.16  1TUSGSSA
2012-08-2215:20 UTCm62610 703.10NGVD291SUSGSSA
2012-08-2215:20 UTCm62611 703.02NAVD881SUSGSSA
2012-08-2215:20 UTCm720199.28  1SUSGSSA
2013-11-1214:55 UTCm62610 702.97NGVD291TUSGSSA
2013-11-1214:55 UTCm62611 702.89NAVD881TUSGSSA
2013-11-1214:55 UTCm720199.41  1TUSGSSA
2015-07-0920:42 UTCm62610 708.83NGVD291SUSGSSA
2015-07-0920:42 UTCm62611 708.75NAVD881SUSGSSA
2015-07-0920:42 UTCm720193.55  1SUSGSSA
2017-05-30 D62610 709.50NGVD291SUSGSSA
2017-05-30 D62611 709.42NAVD881SUSGSSA
2017-05-30 D720192.88  1SUSGSSA
2019-06-2518:47 UTCm62610 710.09NGVD291VUSGSSA
2019-06-2518:47 UTCm62611 710.01NAVD881VUSGSSA
2019-06-2518:47 UTCm720192.29  1VUSGSSA
2023-07-2515:04 UTCm62610 707.95NGVD291VUSGSSA
2023-07-2515:04 UTCm62611 707.87NAVD881VUSGSSA
2023-07-2515:04 UTCm720194.43  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.