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Groundwater levels for the Nation

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Agency code = usgs
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  • 422448092144501
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USGS 422448092144501 088N12W26BAAA 27856 1983Gilbertville 3

Black Hawk County, Iowa
Latitude  42°24'48", Longitude  92°12'45" NAD27
Land-surface elevation 858.70 feet above NGVD29
The depth of the well is 385 feet below land surface.
The depth of the hole is 385 feet below land surface.
This well is completed in the Devonian-Silurian System (340DVSL) local aquifer.
Output formats
Table of data
Tab-separated data
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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
1998-04-3012:58 UTCm62610 790.70NGVD291A  A
1998-04-3012:58 UTCm62611 790.63NAVD881A  A
1998-04-3012:58 UTCm7201968.00  1A  A
1998-07-0618:00 UTCm62610 790.70NGVD291A  A
1998-07-0618:00 UTCm62611 790.63NAVD881A  A
1998-07-0618:00 UTCm7201968.00  1A  A
1998-08-2616:05 UTCm62610 779.70NGVD291A  A
1998-08-2616:05 UTCm62611 779.63NAVD881A  A
1998-08-2616:05 UTCm7201979.00  1A  A
1998-10-2813:10 UTCm62610 799.70NGVD291A  A
1998-10-2813:10 UTCm62611 799.63NAVD881A  A
1998-10-2813:10 UTCm7201959.00  1A  A
1999-02-0515:10 UTCm62610 791.70NGVD291A  A
1999-02-0515:10 UTCm62611 791.63NAVD881A  A
1999-02-0515:10 UTCm7201967.00  1A  A
1999-02-2513:30 UTCm62610 791.70NGVD291A  A
1999-02-2513:30 UTCm62611 791.63NAVD881A  A
1999-02-2513:30 UTCm7201967.00  1A  A

Explanation
SectionCodeDescription
Water-level date-time accuracymDate is accurate to the Minute
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 measurementAAirline measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.