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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 423341092273301
Minimum number of levels = 1
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USGS 423341092273301 090N14W35DABD 37622 1975Cedar Falls 10

Black Hawk County, Iowa
Latitude  42°33'42.9", Longitude  92°27'33.6" NAD83
Land-surface elevation 874.01 feet above NAVD88
The depth of the well is 275 feet below land surface.
The depth of the hole is 275 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Cedar Valley Limestone (344CDVL) 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
1975 Y62610 837.07NGVD291L  A
1975 Y62611 837.01NAVD881L  A
1975 Y7201937.00  1L  A
1998-04-2713:35 UTCm62610 850.07NGVD291A  A
1998-04-2713:35 UTCm62611 850.01NAVD881A  A
1998-04-2713:35 UTCm7201924.00  1A  A
1998-06-2513:45 UTCm62610 852.07NGVD291A  A
1998-06-2513:45 UTCm62611 852.01NAVD881A  A
1998-06-2513:45 UTCm7201922.00  1A  A
1998-08-2518:00 UTCm62610 850.07NGVD291A  A
1998-08-2518:00 UTCm62611 850.01NAVD881A  A
1998-08-2518:00 UTCm7201924.00  1A  A
1998-10-2816:00 UTCm62610 850.07NGVD291A  A
1998-10-2816:00 UTCm62611 850.01NAVD881A  A
1998-10-2816:00 UTCm7201924.00  1A  A
1998-12-2914:50 UTCm62610 850.07NGVD291A  A
1998-12-2914:50 UTCm62611 850.01NAVD881A  A
1998-12-2914:50 UTCm7201924.00  1A  A
1999-02-2515:00 UTCm62610 850.07NGVD291A  A
1999-02-2515:00 UTCm62611 850.01NAVD881A  A
1999-02-2515:00 UTCm7201924.00  1A  A

Explanation
SectionCodeDescription
Water-level date-time accuracyYDate is accurate to the Year
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.
Method of measurementLInterpreted from geophysical logs.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.