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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 413931093292001
Minimum number of levels = 1
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USGS 413931093292001 079N23W11DCDD 23701 1976Altoona 3

Polk County, Iowa
Latitude  41°39'31.4", Longitude  93°29'19.7" NAD83
Land-surface elevation 977.33 feet above NAVD88
The depth of the well is 2,533 feet below land surface.
The depth of the hole is 2,533 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ordovician-Cambrian Systems (360OVCB) local aquifer.
Output formats
Table of data
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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
1976 Y62610 664.22NGVD291L  A
1976 Y62611 664.33NAVD881L  A
1976 Y72019313.00  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.