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Groundwater levels for the Nation

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USGS 420018091430801 083N08W13AACA 1998USGS CRM-26

Linn County, Iowa
Latitude  42°00'18", Longitude  91°43'08" NAD27
Land-surface elevation 722 feet above NAVD88
The depth of the well is 23.0 feet below land surface.
The depth of the hole is 23.0 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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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
1998-08-1218:37 UTCm62610 719.38NGVD291T  A
1998-08-1218:37 UTCm62611 719.29NAVD881T  A
1998-08-1218:37 UTCm720192.71  1T  A
1998-08-1415:44 UTCm62610 719.42NGVD291T  A
1998-08-1415:44 UTCm62611 719.33NAVD881T  A
1998-08-1415:44 UTCm720192.67  1T  A
1998-08-1817:18 UTCm62610 719.89NGVD291T  A
1998-08-1817:18 UTCm62611 719.80NAVD881T  A
1998-08-1817:18 UTCm720192.20  1T  A
1998-09-0213:52 UTCm62610 719.36NGVD291T  A
1998-09-0213:52 UTCm62611 719.27NAVD881T  A
1998-09-0213:52 UTCm720192.73  1T  A
1998-09-2816:29 UTCm62610 718.90NGVD291T  A
1998-09-2816:29 UTCm62611 718.81NAVD881T  A
1998-09-2816:29 UTCm720193.19  1T  A
1998-10-2918:25 UTCm62610 720.37NGVD291T  A
1998-10-2918:25 UTCm62611 720.28NAVD881T  A
1998-10-2918:25 UTCm720191.72  1T  A
1998-11-1215:48 UTCm62610 720.30NGVD291T  A
1998-11-1215:48 UTCm62611 720.21NAVD881T  A
1998-11-1215:48 UTCm720191.79  1T  A
1998-11-1320:20 UTCm62610 719.99NGVD291T  A
1998-11-1320:20 UTCm62611 719.90NAVD881T  A
1998-11-1320:20 UTCm720192.10  1T  A
1998-12-0418:35 UTCm62610 718.99NGVD291T  A
1998-12-0418:35 UTCm62611 718.90NAVD881T  A
1998-12-0418:35 UTCm720193.10  1T  A
1998-12-2118:10 UTCm62610 719.33NGVD291T  A
1998-12-2118:10 UTCm62611 719.24NAVD881T  A
1998-12-2118:10 UTCm720192.76  1T  A
1999-01-1419:00 UTCm62610 718.23NGVD291T  A
1999-01-1419:00 UTCm62611 718.14NAVD881T  A
1999-01-1419:00 UTCm720193.86  1T  A
1999-03-0118:00 UTCm62610 718.02NGVD291T  A
1999-03-0118:00 UTCm62611 717.93NAVD881T  A
1999-03-0118:00 UTCm720194.07  1T  A
2000-08-0420:31 UTCm62610 719.21NGVD291V  A
2000-08-0420:31 UTCm62611 719.12NAVD881V  A
2000-08-0420:31 UTCm720192.88  1V  A
2000-09-0617:38 UTCm62610 719.05NGVD291V  A
2000-09-0617:38 UTCm62611 718.96NAVD881V  A
2000-09-0617:38 UTCm720193.04  1V  A
2000-11-2915:50 UTCm62610 717.23NGVD291S  A
2000-11-2915:50 UTCm62611 717.14NAVD881S  A
2000-11-2915:50 UTCm720194.86  1S  A
2001-02-1520:15 UTCm62610 716.76NGVD291V  A
2001-02-1520:15 UTCm62611 716.67NAVD881V  A
2001-02-1520:15 UTCm720195.33  1V  A
2001-02-2815:30 UTCm62610 716.77NGVD291TUSGSSA
2001-02-2815:30 UTCm62611 716.68NAVD881TUSGSSA
2001-02-2815:30 UTCm720195.32  1TUSGSSA
2001-05-0317:30 UTCm62610 721.60NGVD291VUSGSSA
2001-05-0317:30 UTCm62611 721.51NAVD881VUSGSSA
2001-05-0317:30 UTCm720190.49  1VUSGSSA
2001-05-3018:00 UTCm62610 722.53NGVD291VUSGSSA
2001-05-3018:00 UTCm62611 722.44NAVD881VUSGSSA
2001-05-3018:00 UTCm72019-0.44  1VUSGSSA
2001-06-2916:45 UTCm62610 721.65NGVD291VUSGSSA
2001-06-2916:45 UTCm62611 721.56NAVD881VUSGSSA
2001-06-2916:45 UTCm720190.44  1VUSGSSA
2001-10-2214:35 UTCm62610 716.81NGVD291TUSGSSA
2001-10-2214:35 UTCm62611 716.72NAVD881TUSGSSA
2001-10-2214:35 UTCm720195.28  1TUSGSSA
2002-02-2116:00 UTCm62610 717.28NGVD291TUSGSSA
2002-02-2116:00 UTCm62611 717.19NAVD881TUSGSSA
2002-02-2116:00 UTCm720194.81  1TUSGSSA
2002-05-1614:05 UTCm62610 715.71NGVD291TUSGSSA
2002-05-1614:05 UTCm62611 715.62NAVD881TUSGSSA
2002-05-1614:05 UTCm720196.38  1TUSGSSA
2002-09-0419:40 UTCm62610 718.95NGVD291TUSGSSA
2002-09-0419:40 UTCm62611 718.86NAVD881TUSGSSA
2002-09-0419:40 UTCm720193.14  1TUSGSSA
2002-11-2018:10 UTCm62610 717.40NGVD291TUSGSSA
2002-11-2018:10 UTCm62611 717.31NAVD881TUSGSSA
2002-11-2018:10 UTCm720194.69  1TUSGSSA
2003-02-1915:25 UTCm62610 717.49NGVD291VUSGSSA
2003-02-1915:25 UTCm62611 717.40NAVD881VUSGSSA
2003-02-1915:25 UTCm720194.60  1VUSGSSA
2003-05-2720:15 UTCm62610 721.28NGVD291TUSGSSP
2003-05-2720:15 UTCm62611 721.19NAVD881TUSGSSP
2003-05-2720:15 UTCm720190.81  1TUSGSSP
2012-12-0419:45 UTCm62610 708.08NGVD291TUSGSSA
2012-12-0419:45 UTCm62611 707.99NAVD881TUSGSSA
2012-12-0419:45 UTCm7201914.01  1TUSGSSA

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.
Method of measurementVCalibrated electric-tape measurement.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.
Water-level approval statusPProvisional data subject to revision.