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Groundwater levels for the Nation

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USGS 405055091060001 070N02W21BBC 1998BMW-4 (101)

Des Moines County, Iowa
Latitude  40°50'55", Longitude  91°06'00" NAD83
Land-surface elevation 532.02 feet above NGVD29
The depth of the well is 101 feet below land surface.
The depth of the hole is 129 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
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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
1999-01-1917:45 UTCm62610 522.54NGVD291S  A
1999-01-1917:45 UTCm62611 522.32NAVD881S  A
1999-01-1917:45 UTCm720199.48  1S  A
1999-02-1716:40 UTCm62610 523.18NGVD291T  A
1999-02-1716:40 UTCm62611 522.96NAVD881T  A
1999-02-1716:40 UTCm720198.84  1T  A
1999-03-1917:44 UTCm62610 522.92NGVD291T  A
1999-03-1917:44 UTCm62611 522.70NAVD881T  A
1999-03-1917:44 UTCm720199.10  1T  A
1999-03-3018:55 UTCm62610 523.53NGVD291T  A
1999-03-3018:55 UTCm62611 523.31NAVD881T  A
1999-03-3018:55 UTCm720198.49  1T  A
1999-04-1514:41 UTCm62610 523.73NGVD291T  A
1999-04-1514:41 UTCm62611 523.51NAVD881T  A
1999-04-1514:41 UTCm720198.29  1T  A
1999-05-1117:04 UTCm62610 523.66NGVD291T  A
1999-05-1117:04 UTCm62611 523.44NAVD881T  A
1999-05-1117:04 UTCm720198.36  1T  A
1999-05-1916:17 UTCm62610 523.68NGVD291T  A
1999-05-1916:17 UTCm62611 523.46NAVD881T  A
1999-05-1916:17 UTCm720198.34  1T  A
1999-06-2314:35 UTCm62610 523.87NGVD291T  A
1999-06-2314:35 UTCm62611 523.65NAVD881T  A
1999-06-2314:35 UTCm720198.15  1T  A
1999-07-3014:52 UTCm62610 523.22NGVD291T  A
1999-07-3014:52 UTCm62611 523.00NAVD881T  A
1999-07-3014:52 UTCm720198.80  1T  A
1999-08-2715:15 UTCm62610 522.56NGVD291T  A
1999-08-2715:15 UTCm62611 522.34NAVD881T  A
1999-08-2715:15 UTCm720199.46  1T  A
1999-09-2314:17 UTCm62610 522.16NGVD291T  A
1999-09-2314:17 UTCm62611 521.94NAVD881T  A
1999-09-2314:17 UTCm720199.86  1T  A
1999-10-1314:40 UTCm62610 521.99NGVD291T  A
1999-10-1314:40 UTCm62611 521.77NAVD881T  A
1999-10-1314:40 UTCm7201910.03  1T  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.
Method of measurementTElectric-tape measurement.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.