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Groundwater levels for the Nation

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Search Results -- 1 sites found

Agency code = usgs
site_no list =
  • 420844092083201
Minimum number of levels = 1
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USGS 420844092083201 085N11W28BCC Garrison 1

Benton County, Iowa
Latitude  42°08'44", Longitude  92°08'32" NAD27
Land-surface elevation 915 feet above NGVD29
The depth of the well is 150 feet below land surface.
This well is completed in the Devonian System (340DVNN) 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
1941-04-16 D62610 901.00NGVD291OUSGSSP
1941-04-16 D62611 900.94NAVD881OUSGSSP
1941-04-16 D7201914.00  1OUSGSSP

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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 statusPProvisional data subject to revision.