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Groundwater levels for the Nation

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Agency code = usgs
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  • 415953091435002
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USGS 415953091435002 083N08W13ADBC 1992

Linn County, Iowa
Latitude  41°59'53", Longitude  91°43'50" NAD27
Land-surface elevation 722.32 feet above NGVD29
The depth of the well is 15 feet below land surface.
The depth of the hole is 15 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 Quaternary System (110QRNR) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1993-11-03 D62610 710.70NGVD291T  A
1993-11-03 D62611 710.62NAVD881T  A
1993-11-03 D7201911.62  1T  A
1994-12-01 D62610 721.65NGVD291T  A
1994-12-01 D62611 721.57NAVD881T  A
1994-12-01 D720190.67  1T  A
2011-06-0616:20 UTCm62610 716.08NGVD291TUSGSSA
2011-06-0616:20 UTCm62611 716.00NAVD881TUSGSSA
2011-06-0616:20 UTCm720196.24  1TUSGSSA
2011-11-0715:30 UTCm62610 712.56NGVD291TUSGSSA
2011-11-0715:30 UTCm62611 712.48NAVD881TUSGSSA
2011-11-0715:30 UTCm720199.76  1TUSGSSA
2012-03-1518:50 UTCm62610 710.18NGVD291TUSGSSA
2012-03-1518:50 UTCm62611 710.10NAVD881TUSGSSA
2012-03-1518:50 UTCm7201912.14  1TUSGSSA

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 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.