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Groundwater levels for the Nation

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USGS 420219091344101 084N06W32BCBC 23249 1972Marion 5

Linn County, Iowa
Latitude  42°02'45", Longitude  91°34'43" NAD27
Land-surface elevation 859 feet above NGVD29
The depth of the well is 1,660 feet below land surface.
The depth of the hole is 1,660 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Jordan Sandstone (371JRDN) local aquifer.
Output formats
Table of data
Tab-separated 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
1974-04-19 D62610 594.00NGVD291OUSGSSP
1974-04-19 D62611 593.91NAVD881OUSGSSP
1974-04-19 D72019265.00  1OUSGSSP
1997-01-2820:30 UTCm62610 529.00NGVD291A  A
1997-01-2820:30 UTCm62611 528.91NAVD881A  A
1997-01-2820:30 UTCm72019330.00  1A  A
1997-04-2117:00 UTCm62610 529.00NGVD291A  A
1997-04-2117:00 UTCm62611 528.91NAVD881A  A
1997-04-2117:00 UTCm72019330.00  1A  A
1997-08-1217:00 UTCm62610 516.00NGVD291A  A
1997-08-1217:00 UTCm62611 515.91NAVD881A  A
1997-08-1217:00 UTCm72019343.00  1A  A
1997-11-2522:05 UTCm62610 523.00NGVD291A  A
1997-11-2522:05 UTCm62611 522.91NAVD881A  A
1997-11-2522:05 UTCm72019336.00  1A  A
1998-02-0914:25 UTCm62610 519.00NGVD291A  A
1998-02-0914:25 UTCm62611 518.91NAVD881A  A
1998-02-0914:25 UTCm72019340.00  1A  A
1998-04-27 D62610 516.00NGVD291A  A
1998-04-27 D62611 515.91NAVD881A  A
1998-04-27 D72019343.00  1A  A
1998-08-1013:33 UTCm62610 508.00NGVD291A  A
1998-08-1013:33 UTCm62611 507.91NAVD881A  A
1998-08-1013:33 UTCm72019351.00  1A  A
1998-11-2016:04 UTCm62610 511.00NGVD291O  A
1998-11-2016:04 UTCm62611 510.91NAVD881O  A
1998-11-2016:04 UTCm72019348.00  1O  A
1999-02-1814:30 UTCm62610 486.00NGVD291O  A
1999-02-1814:30 UTCm62611 485.91NAVD881O  A
1999-02-1814:30 UTCm72019373.00  1O  A
1999-04-2315:53 UTCm62610 511.00NGVD291O  A
1999-04-2315:53 UTCm62611 510.91NAVD881O  A
1999-04-2315:53 UTCm72019348.00  1O  A
1999-08-18 D62610 475.00NGVD291A  A
1999-08-18 D62611 474.91NAVD881A  A
1999-08-18 D72019384.00  1A  A
2000-05-2216:01 UTCm62610 509.00NGVD291A  A
2000-05-2216:01 UTCm62611 508.91NAVD881A  A
2000-05-2216:01 UTCm72019350.00  1A  A
2000-08-1813:27 UTCm62610 509.00NGVD291A  A
2000-08-1813:27 UTCm62611 508.91NAVD881A  A
2000-08-1813:27 UTCm72019350.00  1A  A
2008-06-10 D62610 524.00NGVD291A  A
2008-06-10 D62611 523.91NAVD881A  A
2008-06-10 D72019335.00  1A  A
2010-05-01 D62610 483.00NGVD291O  A
2010-05-01 D62611 482.91NAVD881O  A
2010-05-01 D72019376.00  1O  A
2011-05-28 D62610 481.00NGVD291A  A
2011-05-28 D62611 480.91NAVD881A  A
2011-05-28 D72019378.00  1A  A
2012-10-03 D62610 452.00NGVD291AUSGSSA
2012-10-03 D62611 451.91NAVD881AUSGSSA
2012-10-03 D72019407.00  1AUSGSSA
2017-07-18 D62610 444.00NGVD291OUSGSSP
2017-07-18 D62611 443.91NAVD881OUSGSSP
2017-07-18 D72019415.00  1OUSGSSP
2019-03-19 D62610 461.00NGVD291A  A
2019-03-19 D62611 460.91NAVD881A  A
2019-03-19 D72019398.00  1A  A
2020-05-14 D62610 453.00NGVD291A  A
2020-05-14 D62611 452.91NAVD881A  A
2020-05-14 D72019406.00  1A  A
2021-07-0118:00 UTCm62610 453.00NGVD291AUSGSSP
2021-07-0118:00 UTCm62611 452.91NAVD881AUSGSSP
2021-07-0118:00 UTCm72019406.00  1AUSGSSP

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 measurementAAirline measurement.
Method of measurementOObserved.
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.