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Groundwater levels for the Nation

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  • 420030091424601
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USGS 420030091424601 083N07W07CCCB 1994USGS CRM-10

Linn County, Iowa
Latitude  42°00'30", Longitude  91°42'46" NAD27
Land-surface elevation 720.65 feet above NAVD88
The depth of the well is 38.5 feet below land surface.
The depth of the hole is 38.5 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
1994-03-02 D62610 717.33NGVD291S  A
1994-03-02 D62611 717.24NAVD881S  A
1994-03-02 D720193.41  1S  A
1994-06-15 D62610 714.72NGVD291S  A
1994-06-15 D62611 714.63NAVD881S  A
1994-06-15 D720196.02  1S  A
1994-12-01 D62610 715.01NGVD291S  A
1994-12-01 D62611 714.92NAVD881S  A
1994-12-01 D720195.73  1S  A
1995-08-10 D62610 717.36NGVD291S  A
1995-08-10 D62611 717.27NAVD881S  A
1995-08-10 D720193.38  1S  A
1995-10-20 D62610 717.22NGVD291S  A
1995-10-20 D62611 717.13NAVD881S  A
1995-10-20 D720193.52  1S  A
1996-02-14 D62610 717.49NGVD291S  A
1996-02-14 D62611 717.40NAVD881S  A
1996-02-14 D720193.25  1S  A
1996-04-22 D62610 717.24NGVD291S  A
1996-04-22 D62611 717.15NAVD881S  A
1996-04-22 D720193.50  1S  A
1998-10-2919:25 UTCm62610 718.03NGVD291T  A
1998-10-2919:25 UTCm62611 717.94NAVD881T  A
1998-10-2919:25 UTCm720192.71  1T  A
1998-12-0418:35 UTCm62610 718.09NGVD291T  A
1998-12-0418:35 UTCm62611 718.00NAVD881T  A
1998-12-0418:35 UTCm720192.65  1T  A
1998-12-2118:00 UTCm62610 717.97NGVD291T  A
1998-12-2118:00 UTCm62611 717.88NAVD881T  A
1998-12-2118:00 UTCm720192.77  1T  A
1999-01-1417:40 UTCm62610 717.96NGVD291T  A
1999-01-1417:40 UTCm62611 717.87NAVD881T  A
1999-01-1417:40 UTCm720192.78  1T  A
1999-03-0117:55 UTCm62610 718.02NGVD291T  A
1999-03-0117:55 UTCm62611 717.93NAVD881T  A
1999-03-0117:55 UTCm720192.72  1T  A
2000-08-0420:21 UTCm62610 715.40NGVD291V  A
2000-08-0420:21 UTCm62611 715.31NAVD881V  A
2000-08-0420:21 UTCm720195.34  1V  A
2000-09-0617:44 UTCm62610 717.83NGVD291V  A
2000-09-0617:44 UTCm62611 717.74NAVD881V  A
2000-09-0617:44 UTCm720192.91  1V  A
2001-02-1520:25 UTCm62610 718.00NGVD291V  A
2001-02-1520:25 UTCm62611 717.91NAVD881V  A
2001-02-1520:25 UTCm720192.74  1V  A
2001-05-0317:45 UTCm62610 718.58NGVD291VUSGSSA
2001-05-0317:45 UTCm62611 718.49NAVD881VUSGSSA
2001-05-0317:45 UTCm720192.16  1VUSGSSA
2001-05-3018:15 UTCm62610 719.20NGVD291VUSGSSA
2001-05-3018:15 UTCm62611 719.11NAVD881VUSGSSA
2001-05-3018:15 UTCm720191.54  1VUSGSSA
2001-06-2917:00 UTCm62610 718.52NGVD291VUSGSSA
2001-06-2917:00 UTCm62611 718.43NAVD881VUSGSSA
2001-06-2917:00 UTCm720192.22  1VUSGSSA
2012-12-0421:00 UTCm62610 715.04NGVD291TUSGSSA
2012-12-0421:00 UTCm62611 714.95NAVD881TUSGSSA
2012-12-0421:00 UTCm720195.70  1TUSGSSA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.