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Groundwater levels for the Nation

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  • 421834089213501
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USGS 421834089213501 27N10E-29.1d1

Winnebago County, Illinois
Latitude  42°18'32", Longitude  89°21'38" NAD27
Land-surface elevation 770 feet above NGVD29
The depth of the well is 750 feet below land surface.
The depth of the hole is 750 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Galesville Sandstone (372GLVL) local aquifer.
Output formats
Table of data
Tab-separated data
Graph of data
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
1986-04-1616:40 UTCm62610 609.00NGVD291OIL006AA
1986-04-1616:40 UTCm62611 608.84NAVD881OIL006AA
1986-04-1616:40 UTCm72019161.00  1OIL006AA
1986-04-2317:20 UTCm62610 606.00NGVD291OIL006AA
1986-04-2317:20 UTCm62611 605.84NAVD881OIL006AA
1986-04-2317:20 UTCm72019164.00  1OIL006AA
1990-02-01 D62610 696.00NGVD291O  A
1990-02-01 D62611 695.84NAVD881O  A
1990-02-01 D7201974.00  1O  A
2005 Y62610 723.00NGVD291O  A
2005 Y62611 722.84NAVD881O  A
2005 Y7201947.00  1O  A
2007-10-1016:00 UTCm62610 723.00NGVD291OUSGSSA
2007-10-1016:00 UTCm62611 722.84NAVD881OUSGSSA
2007-10-1016:00 UTCm7201947.00  1OUSGSSA
2008-07-29 D62610 725.00NGVD291A  A
2008-07-29 D62611 724.84NAVD881A  A
2008-07-29 D7201945.00  1A  A
2009-08-05 D62610 725.00NGVD291A  A
2009-08-05 D62611 724.84NAVD881A  A
2009-08-05 D7201945.00  1A  A
2017-06-2716:00 UTCm62610 674.00NGVD291AUSGSSA
2017-06-2716:00 UTCm62611 673.84NAVD881AUSGSSA
2017-06-2716:00 UTCm7201996.00  1AUSGSSA
2019-08-22 D62610 724.00NGVD291A  A
2019-08-22 D62611 723.84NAVD881A  A
2019-08-22 D7201946.00  1A  A
2020-06-22 D62610 725.00NGVD291A  A
2020-06-22 D62611 724.84NAVD881A  A
2020-06-22 D7201945.00  1A  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyYDate is accurate to the Year
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 agencyIL006State of Illinois Environmental Protection Agency
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.