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Groundwater levels for the Nation

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USGS 420014091431101 083N08W13AACC 1998USGS CRM-24

Linn County, Iowa
Latitude  42°00'14", Longitude  91°43'11" NAD27
Land-surface elevation 720 feet above NAVD88
The depth of the well is 47.0 feet below land surface.
The depth of the hole is 48.0 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.
Output formats
Table of data
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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
1998-03-0417:24 UTCm62610 716.09NGVD291T  A
1998-03-0417:24 UTCm62611 716.00NAVD881T  A
1998-03-0417:24 UTCm720194.00  1T  A
1998-03-2918:15 UTCm62610 718.82NGVD291T  A
1998-03-2918:15 UTCm62611 718.73NAVD881T  A
1998-03-2918:15 UTCm720191.27  1T  A
1998-04-1417:40 UTCm62610 719.39NGVD291T  A
1998-04-1417:40 UTCm62611 719.30NAVD881T  A
1998-04-1417:40 UTCm720190.70  1T  A
1998-05-0419:15 UTCm62610 720.05NGVD291T  A
1998-05-0419:15 UTCm62611 719.96NAVD881T  A
1998-05-0419:15 UTCm720190.04  1T  A
1998-05-1817:06 UTCm62610 716.49NGVD291T  A
1998-05-1817:06 UTCm62611 716.40NAVD881T  A
1998-05-1817:06 UTCm720193.60  1T  A
1998-06-2318:20 UTCm62610 724.51NGVD291T  A
1998-06-2318:20 UTCm62611 724.42NAVD881T  A
1998-06-2318:20 UTCm72019-4.42  1T  A
1998-08-1019:15 UTCm62610 717.03NGVD291T  A
1998-08-1019:15 UTCm62611 716.94NAVD881T  A
1998-08-1019:15 UTCm720193.06  1T  A
1998-09-0213:30 UTCm62610 716.81NGVD291T  A
1998-09-0213:30 UTCm62611 716.72NAVD881T  A
1998-09-0213:30 UTCm720193.28  1T  A
1998-09-2815:23 UTCm62610 716.28NGVD291T  A
1998-09-2815:23 UTCm62611 716.19NAVD881T  A
1998-09-2815:23 UTCm720193.81  1T  A
1998-10-2917:55 UTCm62610 719.17NGVD291T  A
1998-10-2917:55 UTCm62611 719.08NAVD881T  A
1998-10-2917:55 UTCm720190.92  1T  A
1998-11-1215:20 UTCm62610 719.42NGVD291T  A
1998-11-1215:20 UTCm62611 719.33NAVD881T  A
1998-11-1215:20 UTCm720190.67  1T  A
1998-12-0417:45 UTCm62610 715.71NGVD291T  A
1998-12-0417:45 UTCm62611 715.62NAVD881T  A
1998-12-0417:45 UTCm720194.38  1T  A
1998-12-2116:59 UTCm62610 714.63NGVD291T  A
1998-12-2116:59 UTCm62611 714.54NAVD881T  A
1998-12-2116:59 UTCm720195.46  1T  A
1999-01-1417:59 UTCm62610 714.72NGVD291T  A
1999-01-1417:59 UTCm62611 714.63NAVD881T  A
1999-01-1417:59 UTCm720195.37  1T  A
1999-03-0118:05 UTCm62610 714.38NGVD291T  A
1999-03-0118:05 UTCm62611 714.29NAVD881T  A
1999-03-0118:05 UTCm720195.71  1T  A
2000-08-0420:40 UTCm62610 716.42NGVD291V  A
2000-08-0420:40 UTCm62611 716.33NAVD881V  A
2000-08-0420:40 UTCm720193.67  1V  A
2000-09-0617:27 UTCm62610 715.27NGVD291V  A
2000-09-0617:27 UTCm62611 715.18NAVD881V  A
2000-09-0617:27 UTCm720194.82  1V  A
2000-11-2917:55 UTCm62610 713.79NGVD291S  A
2000-11-2917:55 UTCm62611 713.70NAVD881S  A
2000-11-2917:55 UTCm720196.30  1S  A
2001-02-1520:05 UTCm62610 711.06NGVD291V  A
2001-02-1520:05 UTCm62611 710.97NAVD881V  A
2001-02-1520:05 UTCm720199.03  1V  A
2001-02-2717:45 UTCm62610 711.17NGVD291TUSGSSP
2001-02-2717:45 UTCm62611 711.08NAVD881TUSGSSP
2001-02-2717:45 UTCm720198.92  1TUSGSSP
2001-05-0318:10 UTCm62610 720.45NGVD291SUSGSSA
2001-05-0318:10 UTCm62611 720.36NAVD881SUSGSSA
2001-05-0318:10 UTCm72019-0.36  1SUSGSSA
2001-05-3017:45 UTCm62610 721.28NGVD291SUSGSSA
2001-05-3017:45 UTCm62611 721.19NAVD881SUSGSSA
2001-05-3017:45 UTCm72019-1.19  1SUSGSSA
2001-06-2916:00 UTCm62610 717.94NGVD291VUSGSSA
2001-06-2916:00 UTCm62611 717.85NAVD881VUSGSSA
2001-06-2916:00 UTCm720192.15  1VUSGSSA

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.