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Groundwater levels for the Nation

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Agency code = usgs
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  • 411441094401602
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USGS 411441094401602 075N33W32CDDD 36950 1943Bridgewater 1

Adair County, Iowa
Latitude  41°14'41", Longitude  94°40'16" NAD27
Land-surface elevation 1,198 feet above NGVD29
The depth of the well is 49 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Holocene Alluvium (111ALVM) 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
1973-02-08 D62610 1178.00NGVD291OIA021AP
1973-02-08 D62611 1178.33NAVD881OIA021AP
1973-02-08 D7201920.00  1OIA021AP

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 agencyIA021Iowa Department of Water, Air, and Waste Management
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusPProvisional data subject to revision.