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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 414100091344701
Minimum number of levels = 1
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USGS 414100091344701 079N06W06AAAC 22375 1970Coralville 3

Johnson County, Iowa
Latitude  41°41'00", Longitude  91°34'47" NAD27
Land-surface elevation 730 feet above NGVD29
The depth of the well is 70 feet below land surface.
The depth of the hole is 70 feet below land surface.
This well is completed in the Pleistocene Series (112PLSC) 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
1970 Y62610 697.00NGVD291OUSGSSA
1970 Y62611 696.90NAVD881OUSGSSA
1970 Y7201933.00  1OUSGSSA

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 measurementOObserved.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.