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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 414829091510401
Minimum number of levels = 1
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USGS 414829091510401 081N09W23DADD 06793 1954East Amana 1

Iowa County, Iowa
Latitude  41°48'29", Longitude  91°51'04" NAD27
Land-surface elevation 741 feet above NGVD29
The depth of the well is 603 feet below land surface.
The depth of the hole is 603 feet below land surface.
This well is completed in the Silurian System (350SLRN) local aquifer.
Output formats
Table of data
Tab-separated 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
1954-11-09 D62610 606.00NGVD291OUSGSSP
1954-11-09 D62611 605.95NAVD881OUSGSSP
1954-11-09 D72019135.00  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.