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Groundwater levels for the Nation

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USGS 414828092014201 081N10W20DACA 27405 1984IGS & USGS IR-22

Iowa County, Iowa
Latitude  41°48'31.7", Longitude  92°01'49.3" NAD83
Land-surface elevation 730 feet above NGVD29
The depth of the well is 25.0 feet below land surface.
The depth of the hole is 31 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
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
1984-10-31 D62610 728.08NGVD295S  A
1984-10-31 D62611 728.04NAVD885S  A
1984-10-31 D720191.92  5S  A
1984-12-10 D62610 727.47NGVD295S  A
1984-12-10 D62611 727.43NAVD885S  A
1984-12-10 D720192.53  5S  A
1985-01-10 D62610 728.49NGVD295S  A
1985-01-10 D62611 728.45NAVD885S  A
1985-01-10 D720191.51  5S  A
1985-02-12 D62610 727.72NGVD295S  A
1985-02-12 D62611 727.68NAVD885S  A
1985-02-12 D720192.28  5S  A
1985-03-12 D62610 730.26NGVD295S  A
1985-03-12 D62611 730.22NAVD885S  A
1985-03-12 D72019-0.26  5S  A
1985-04-09 D62610 727.80NGVD295S  A
1985-04-09 D62611 727.76NAVD885S  A
1985-04-09 D720192.20  5S  A
1985-05-06 D62610 727.60NGVD295S  A
1985-05-06 D62611 727.56NAVD885S  A
1985-05-06 D720192.40  5S  A
1985-06-06 D62610 726.38NGVD295S  A
1985-06-06 D62611 726.34NAVD885S  A
1985-06-06 D720193.62  5S  A
1985-07-09 D62610 725.25NGVD295S  A
1985-07-09 D62611 725.21NAVD885S  A
1985-07-09 D720194.75  5S  A
1985-08-01 D62610 724.30NGVD295S  A
1985-08-01 D62611 724.26NAVD885S  A
1985-08-01 D720195.70  5S  A
1985-09-02 D62610 723.60NGVD295S  A
1985-09-02 D62611 723.56NAVD885S  A
1985-09-02 D720196.40  5S  A
1985-10-04 D62610 726.00NGVD291S  A
1985-10-04 D62611 725.96NAVD881S  A
1985-10-04 D720194.00  1S  A
1985-11-06 D62610 726.90NGVD291S  A
1985-11-06 D62611 726.86NAVD881S  A
1985-11-06 D720193.10  1S  A
1985-12-26 D62610 727.31NGVD291S  A
1985-12-26 D62611 727.27NAVD881S  A
1985-12-26 D720192.69  1S  A
1986-01-29 D62610 727.23NGVD291S  A
1986-01-29 D62611 727.19NAVD881S  A
1986-01-29 D720192.77  1S  A
1996-08-1415:00 UTCm62610 726.77NGVD291T  A
1996-08-1415:00 UTCm62611 726.73NAVD881T  A
1996-08-1415:00 UTCm720193.23  1T  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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
Status5Groundwater level affected by surface water
Method of measurementSSteel-tape measurement.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.