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Groundwater levels for the Nation

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Agency code = usgs
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  • 414818092055403
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USGS 414818092055403 081N11W14CDCB 1985IGS & USGS IR-26C

Iowa County, Iowa
Latitude  41°49'10.8", Longitude  92°05'54.4" NAD83
Land-surface elevation 739.01 feet above NAVD88
The depth of the well is 11.0 feet below land surface.
The depth of the hole is 11.0 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
1985-05-06 D62610 735.99NGVD291S  A
1985-05-06 D62611 735.96NAVD881S  A
1985-05-06 D720193.05  1S  A
1985-06-06 D62610 734.84NGVD291S  A
1985-06-06 D62611 734.81NAVD881S  A
1985-06-06 D720194.20  1S  A
1985-07-09 D62610 733.72NGVD291S  A
1985-07-09 D62611 733.69NAVD881S  A
1985-07-09 D720195.32  1S  A
1985-08-01 D62610 732.89NGVD291S  A
1985-08-01 D62611 732.86NAVD881S  A
1985-08-01 D720196.15  1S  A
1985-09-02 D62610 732.10NGVD291S  A
1985-09-02 D62611 732.07NAVD881S  A
1985-09-02 D720196.94  1S  A
1985-10-16 D62610 733.04NGVD291S  A
1985-10-16 D62611 733.01NAVD881S  A
1985-10-16 D720196.00  1S  A
1985-12-26 D62610 734.95NGVD291S  A
1985-12-26 D62611 734.92NAVD881S  A
1985-12-26 D720194.09  1S  A
1986-01-29 D62610 734.63NGVD291SUSGSSA
1986-01-29 D62611 734.60NAVD881SUSGSSA
1986-01-29 D720194.41  1SUSGSSA
1986-02-25 D62610 735.33NGVD291SUSGSSA
1986-02-25 D62611 735.30NAVD881SUSGSSA
1986-02-25 D720193.71  1SUSGSSA
1986-03-26 D62610 738.96NGVD291SUSGSSA
1986-03-26 D62611 738.93NAVD881SUSGSSA
1986-03-26 D720190.08  1SUSGSSA
1996-08-0515:15 UTCm62610 734.86NGVD291TUSGSSA
1996-08-0515:15 UTCm62611 734.83NAVD881TUSGSSA
1996-08-0515:15 UTCm720194.18  1TUSGSSA
1998-08-2016:00 UTCm62610 735.98NGVD291SUSGSSA
1998-08-2016:00 UTCm62611 735.95NAVD881SUSGSSA
1998-08-2016:00 UTCm720193.06  1SUSGSSA
1999-07-2713:40 UTCm62610 735.44NGVD291SUSGSSA
1999-07-2713:40 UTCm62611 735.41NAVD881SUSGSSA
1999-07-2713:40 UTCm720193.60  1SUSGSSA
2000-10-17 D62610 732.13NGVD291TUSGSSA
2000-10-17 D62611 732.10NAVD881TUSGSSA
2000-10-17 D720196.91  1TUSGSSA
2002-08-2020:30 UTCm62610 733.75NGVD291SUSGSSA
2002-08-2020:30 UTCm62611 733.72NAVD881SUSGSSA
2002-08-2020:30 UTCm720195.29  1SUSGSSA
2005-07-1918:00 UTCm62610 736.44NGVD291SUSGSSA
2005-07-1918:00 UTCm62611 736.41NAVD881SUSGSSA
2005-07-1918:00 UTCm720192.60  1SUSGSSA
2009-07-3114:00 UTCm62610 737.19NGVD291TUSGSSA
2009-07-3114:00 UTCm62611 737.16NAVD881TUSGSSA
2009-07-3114:00 UTCm720191.85  1TUSGSSA
2009-08-0516:30 UTCm62610 736.76NGVD291SUSGSSA
2009-08-0516:30 UTCm62611 736.73NAVD881SUSGSSA
2009-08-0516:30 UTCm720192.28  1SUSGSSA
2010-10-0115:15 UTCm62610 737.43NGVD291TUSGSSA
2010-10-0115:15 UTCm62611 737.40NAVD881TUSGSSA
2010-10-0115:15 UTCm720191.61  1TUSGSSA
2011-08-2415:00 UTCm62610 734.51NGVD291TUSGSSA
2011-08-2415:00 UTCm62611 734.48NAVD881TUSGSSA
2011-08-2415:00 UTCm720194.53  1TUSGSSA
2012-08-0715:26 UTCm62610 731.53NGVD291SUSGSSA
2012-08-0715:26 UTCm62611 731.50NAVD881SUSGSSA
2012-08-0715:26 UTCm720197.51  1SUSGSSA
2015-11-1916:36 UTCm62610 737.12NGVD291TUSGSSP
2015-11-1916:36 UTCm62611 737.09NAVD881TUSGSSP
2015-11-1916:36 UTCm720191.92  1TUSGSSP
2019-07-3116:02 UTCm62610 736.44NGVD291VUSGSSP
2019-07-3116:02 UTCm62611 736.41NAVD881VUSGSSP
2019-07-3116:02 UTCm720192.60  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 measurementTElectric-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.