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Groundwater levels for the Nation

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  • 405403095004401
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USGS 405403095004401 071N36W32DDDD 28216 1987IGS & USGS SW-65

Montgomery County, Iowa
Latitude  40°54'03", Longitude  95°00'18" NAD27
Land-surface elevation 1,021 feet above NGVD29
The depth of the well is 42 feet below land surface.
The depth of the hole is 42 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.
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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
1992-08-0420:45 UTCm62610 1007.06NGVD291S  A
1992-08-0420:45 UTCm62611 1007.42NAVD881S  A
1992-08-0420:45 UTCm7201913.94  1S  A
1992-11-0320:00 UTCm62610 1007.57NGVD291S  A
1992-11-0320:00 UTCm62611 1007.93NAVD881S  A
1992-11-0320:00 UTCm7201913.43  1S  A
1993-02-0119:30 UTCm62610 1008.50NGVD291S  A
1993-02-0119:30 UTCm62611 1008.86NAVD881S  A
1993-02-0119:30 UTCm7201912.50  1S  A
1993-05-0715:05 UTCm62610 1011.16NGVD291S  A
1993-05-0715:05 UTCm62611 1011.52NAVD881S  A
1993-05-0715:05 UTCm720199.84  1S  A
1993-08-0519:25 UTCm62610 1011.70NGVD291S  A
1993-08-0519:25 UTCm62611 1012.06NAVD881S  A
1993-08-0519:25 UTCm720199.30  1S  A
1993-10-2917:50 UTCm62610 1011.17NGVD291S  A
1993-10-2917:50 UTCm62611 1011.53NAVD881S  A
1993-10-2917:50 UTCm720199.83  1S  A
1994-02-0419:15 UTCm62610 1006.49NGVD291S  A
1994-02-0419:15 UTCm62611 1006.85NAVD881S  A
1994-02-0419:15 UTCm7201914.51  1S  A
1994-05-0519:00 UTCm62610 1005.51NGVD291S  A
1994-05-0519:00 UTCm62611 1005.87NAVD881S  A
1994-05-0519:00 UTCm7201915.49  1S  A
1994-07-2712:15 UTCm62610 1008.40NGVD291S  A
1994-07-2712:15 UTCm62611 1008.76NAVD881S  A
1994-07-2712:15 UTCm7201912.60  1S  A
1994-11-1018:00 UTCm62610 1004.77NGVD291S  A
1994-11-1018:00 UTCm62611 1005.13NAVD881S  A
1994-11-1018:00 UTCm7201916.23  1S  A
1995-05-1718:15 UTCm62610 1012.84NGVD291S  A
1995-05-1718:15 UTCm62611 1013.20NAVD881S  A
1995-05-1718:15 UTCm720198.16  1S  A
1995-09-0717:40 UTCm62610 1006.62NGVD291S  A
1995-09-0717:40 UTCm62611 1006.98NAVD881S  A
1995-09-0717:40 UTCm7201914.38  1S  A
1995-11-0819:22 UTCm62610 1005.05NGVD291S  A
1995-11-0819:22 UTCm62611 1005.41NAVD881S  A
1995-11-0819:22 UTCm7201915.95  1S  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 measurementSSteel-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.