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Groundwater levels for the Nation

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Agency code = usgs
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  • 414816092053403
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USGS 414816092053403 081N11W23DCC 1985IGS & USGS IR-4C

Iowa County, Iowa
Latitude  41°48'14.9", Longitude  92°05'36.9" NAD83
Land-surface elevation 740 feet above NGVD29
The depth of the well is 11.0 feet below land surface.
The depth of the hole is 11 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 735.23NGVD295S  A
1985-05-06 D62611 735.20NAVD885S  A
1985-05-06 D720194.77  5S  A
1985-06-06 D62610 733.85NGVD295S  A
1985-06-06 D62611 733.82NAVD885S  A
1985-06-06 D720196.15  5S  A
1985-07-09 D62610 733.00NGVD295S  A
1985-07-09 D62611 732.97NAVD885S  A
1985-07-09 D720197.00  5S  A
1985-08-01 D62610 732.40NGVD295S  A
1985-08-01 D62611 732.37NAVD885S  A
1985-08-01 D720197.60  5S  A
1985-09-02 D62610 731.73NGVD295S  A
1985-09-02 D62611 731.70NAVD885S  A
1985-09-02 D720198.27  5S  A
1985-10-15 D62610 732.25NGVD291S  A
1985-10-15 D62611 732.22NAVD881S  A
1985-10-15 D720197.75  1S  A
1985-11-06 D62610 734.21NGVD291S  A
1985-11-06 D62611 734.18NAVD881S  A
1985-11-06 D720195.79  1S  A
1985-12-26 D62610 734.40NGVD291S  A
1985-12-26 D62611 734.37NAVD881S  A
1985-12-26 D720195.60  1S  A
1996-07-3115:15 UTCm62610 734.42NGVD291T  A
1996-07-3115:15 UTCm62611 734.39NAVD881T  A
1996-07-3115:15 UTCm720195.58  1T  A
1998-08-03 D62610 736.20NGVD291SUSGSSP
1998-08-03 D62611 736.17NAVD881SUSGSSP
1998-08-03 D720193.80  1SUSGSSP

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
Status5Groundwater level affected by surface water
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-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.