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Groundwater levels for the Nation

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USGS 420015091431301 083N08W13AACC 1998USGS CRM-23

Linn County, Iowa
Latitude  42°00'15", Longitude  91°43'13" NAD27
Land-surface elevation 722 feet above NAVD88
The depth of the well is 27.0 feet below land surface.
The depth of the hole is 27.0 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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Date Time
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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
1998-03-0417:28 UTCm62610 718.58NGVD291T  A
1998-03-0417:28 UTCm62611 718.49NAVD881T  A
1998-03-0417:28 UTCm720193.51  1T  A
1998-03-2817:24 UTCm62610 720.74NGVD291T  A
1998-03-2817:24 UTCm62611 720.65NAVD881T  A
1998-03-2817:24 UTCm720191.35  1T  A
1998-04-1417:50 UTCm62610 722.40NGVD291T  A
1998-04-1417:50 UTCm62611 722.31NAVD881T  A
1998-04-1417:50 UTCm72019-0.31  1T  A
1998-05-0418:55 UTCm62610 722.33NGVD291T  A
1998-05-0418:55 UTCm62611 722.24NAVD881T  A
1998-05-0418:55 UTCm72019-0.24  1T  A
1998-05-1817:14 UTCm62610 719.17NGVD291T  A
1998-05-1817:14 UTCm62611 719.08NAVD881T  A
1998-05-1817:14 UTCm720192.92  1T  A
1998-06-2217:48 UTCm62610 726.59NGVD291T  A
1998-06-2217:48 UTCm62611 726.50NAVD881T  A
1998-06-2217:48 UTCm72019-4.50  1T  A
1998-08-1020:43 UTCm62610 719.45NGVD291T  A
1998-08-1020:43 UTCm62611 719.36NAVD881T  A
1998-08-1020:43 UTCm720192.64  1T  A
1998-09-0113:44 UTCm62610 719.21NGVD291T  A
1998-09-0113:44 UTCm62611 719.12NAVD881T  A
1998-09-0113:44 UTCm720192.88  1T  A
1998-09-3014:00 UTCm62610 718.86NGVD291T  A
1998-09-3014:00 UTCm62611 718.77NAVD881T  A
1998-09-3014:00 UTCm720193.23  1T  A
1998-10-2918:02 UTCm62610 721.24NGVD291T  A
1998-10-2918:02 UTCm62611 721.15NAVD881T  A
1998-10-2918:02 UTCm720190.85  1T  A
1998-11-1215:39 UTCm62610 721.44NGVD291T  A
1998-11-1215:39 UTCm62611 721.35NAVD881T  A
1998-11-1215:39 UTCm720190.65  1T  A
1998-12-0417:50 UTCm62610 718.33NGVD291T  A
1998-12-0417:50 UTCm62611 718.24NAVD881T  A
1998-12-0417:50 UTCm720193.76  1T  A
1998-12-2116:45 UTCm62610 721.07NGVD291T  A
1998-12-2116:45 UTCm62611 720.98NAVD881T  A
1998-12-2116:45 UTCm720191.02  1T  A
1999-01-1418:08 UTCm62610 717.99NGVD291O  A
1999-01-1418:08 UTCm62611 717.90NAVD881O  A
1999-01-1418:08 UTCm720194.10  1O  A
1999-03-0118:35 UTCm62610 717.32NGVD291T  A
1999-03-0118:35 UTCm62611 717.23NAVD881T  A
1999-03-0118:35 UTCm720194.77  1T  A
1999-03-2617:50 UTCm62610 718.13NGVD291T  A
1999-03-2617:50 UTCm62611 718.04NAVD881T  A
1999-03-2617:50 UTCm720193.96  1T  A
1999-08-3116:46 UTCm62610 718.78NGVD291T  A
1999-08-3116:46 UTCm62611 718.69NAVD881T  A
1999-08-3116:46 UTCm720193.31  1T  A
1999-09-2014:39 UTCm62610 718.28NGVD291T  A
1999-09-2014:39 UTCm62611 718.19NAVD881T  A
1999-09-2014:39 UTCm720193.81  1T  A
1999-10-2118:14 UTCm62610 718.04NGVD291T  A
1999-10-2118:14 UTCm62611 717.95NAVD881T  A
1999-10-2118:14 UTCm720194.05  1T  A
1999-12-2020:00 UTCm62610 717.55NGVD291T  A
1999-12-2020:00 UTCm62611 717.46NAVD881T  A
1999-12-2020:00 UTCm720194.54  1T  A
2000-01-1019:30 UTCm62610 717.48NGVD291T  A
2000-01-1019:30 UTCm62611 717.39NAVD881T  A
2000-01-1019:30 UTCm720194.61  1T  A
2000-01-3116:51 UTCm62610 716.70NGVD291T  A
2000-01-3116:51 UTCm62611 716.61NAVD881T  A
2000-01-3116:51 UTCm720195.39  1T  A
2000-02-2416:31 UTCm62610 716.90NGVD291T  A
2000-02-2416:31 UTCm62611 716.81NAVD881T  A
2000-02-2416:31 UTCm720195.19  1T  A
2000-03-1519:43 UTCm62610 716.88NGVD291T  A
2000-03-1519:43 UTCm62611 716.79NAVD881T  A
2000-03-1519:43 UTCm720195.21  1T  A
2000-04-0518:00 UTCm62610 716.38NGVD291T  A
2000-04-0518:00 UTCm62611 716.29NAVD881T  A
2000-04-0518:00 UTCm720195.71  1T  A
2000-05-1018:50 UTCm62610 719.34NGVD291T  A
2000-05-1018:50 UTCm62611 719.25NAVD881T  A
2000-05-1018:50 UTCm720192.75  1T  A
2000-08-0420:50 UTCm62610 718.99NGVD291V  A
2000-08-0420:50 UTCm62611 718.90NAVD881V  A
2000-08-0420:50 UTCm720193.10  1V  A
2000-09-0617:22 UTCm62610 717.93NGVD291V  A
2000-09-0617:22 UTCm62611 717.84NAVD881V  A
2000-09-0617:22 UTCm720194.16  1V  A
2000-11-2920:00 UTCm62610 716.59NGVD291S  A
2000-11-2920:00 UTCm62611 716.50NAVD881S  A
2000-11-2920:00 UTCm720195.50  1S  A
2001-02-1520:10 UTCm62610 713.46NGVD291V  A
2001-02-1520:10 UTCm62611 713.37NAVD881V  A
2001-02-1520:10 UTCm720198.63  1V  A
2001-02-2816:30 UTCm62610 713.31NGVD291TUSGSSA
2001-02-2816:30 UTCm62611 713.22NAVD881TUSGSSA
2001-02-2816:30 UTCm720198.78  1TUSGSSA
2001-05-0318:00 UTCm62610 720.02NGVD291VUSGSSA
2001-05-0318:00 UTCm62611 719.93NAVD881VUSGSSA
2001-05-0318:00 UTCm720192.07  1VUSGSSA
2001-05-3017:50 UTCm62610 720.84NGVD291VUSGSSA
2001-05-3017:50 UTCm62611 720.75NAVD881VUSGSSA
2001-05-3017:50 UTCm720191.25  1VUSGSSA
2001-06-2916:25 UTCm62610 721.06NGVD291VUSGSSA
2001-06-2916:25 UTCm62611 720.97NAVD881VUSGSSA
2001-06-2916:25 UTCm720191.03  1VUSGSSA
2001-10-2216:05 UTCm62610 714.90NGVD291TUSGSSA
2001-10-2216:05 UTCm62611 714.81NAVD881TUSGSSA
2001-10-2216:05 UTCm720197.19  1TUSGSSA
2002-02-2021:15 UTCm62610 715.48NGVD291TUSGSSA
2002-02-2021:15 UTCm62611 715.39NAVD881TUSGSSA
2002-02-2021:15 UTCm720196.61  1TUSGSSA
2002-05-1513:55 UTCm62610 714.78NGVD291TUSGSSA
2002-05-1513:55 UTCm62611 714.69NAVD881TUSGSSA
2002-05-1513:55 UTCm720197.31  1TUSGSSA
2002-09-0419:05 UTCm62610 718.52NGVD291TUSGSSA
2002-09-0419:05 UTCm62611 718.43NAVD881TUSGSSA
2002-09-0419:05 UTCm720193.57  1TUSGSSA
2002-11-2016:20 UTCm62610 716.83NGVD291TUSGSSA
2002-11-2016:20 UTCm62611 716.74NAVD881TUSGSSA
2002-11-2016:20 UTCm720195.26  1TUSGSSA
2003-02-1817:25 UTCm62610 713.08NGVD291VUSGSSA
2003-02-1817:25 UTCm62611 712.99NAVD881VUSGSSA
2003-02-1817:25 UTCm720199.01  1VUSGSSA
2003-02-1919:00 UTCm62610 716.08NGVD291VUSGSSA
2003-02-1919:00 UTCm62611 715.99NAVD881VUSGSSA
2003-02-1919:00 UTCm720196.01  1VUSGSSA
2003-05-2815:15 UTCm62610 720.20NGVD291TUSGSSP
2003-05-2815:15 UTCm62611 720.11NAVD881TUSGSSP
2003-05-2815:15 UTCm720191.89  1TUSGSSP
2004-09-2717:45 UTCm62610 722.03NGVD291TUSGSSP
2004-09-2717:45 UTCm62611 721.94NAVD881TUSGSSP
2004-09-2717:45 UTCm720190.06  1TUSGSSP

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 measurementOObserved.
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.