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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 420837092084302
Minimum number of levels = 1
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USGS 420837092084302 085N11W29DAA 1926Garrison 1

Benton County, Iowa
Latitude  42°08'37", Longitude  92°08'43" NAD27
Land-surface elevation 869 feet above NGVD29
The depth of the well is 1,435 feet below land surface.
This well is completed in the Prairie Du Chien Formation (367PRDC) local aquifer.
Output formats
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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
1926 Y62610 848.00NGVD291L  A
1926 Y62611 847.94NAVD881L  A
1926 Y7201921.00  1L  A

Explanation
SectionCodeDescription
Water-level date-time accuracyYDate is accurate to the Year
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 measurementLInterpreted from geophysical logs.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.