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Groundwater levels for the Nation

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Agency code = usgs
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  • 421813089373601
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USGS 421813089373601 27N 8E-30.6b1

Stephenson County, Illinois
Latitude  42°18'13", Longitude  89°37'36" NAD27
Land-surface elevation 760 feet above NGVD29
The depth of the well is 502 feet below land surface.
The depth of the hole is 503 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ancell Group (365ANCL) 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
1921 Y62610 740.00NGVD291O  A
1921 Y62611 739.61NAVD881O  A
1921 Y7201920.00  1O  A
1934 Y62610 734.00NGVD291O  A
1934 Y62611 733.61NAVD881O  A
1934 Y7201926.00  1O  A
1947 Y62610 735.00NGVD291O  A
1947 Y62611 734.61NAVD881O  A
1947 Y7201925.00  1O  A
1949-01-17 D62610 728.00NGVD291O  A
1949-01-17 D62611 727.61NAVD881O  A
1949-01-17 D7201932.00  1O  A
1951-01 M62610 744.00NGVD291O  A
1951-01 M62611 743.61NAVD881O  A
1951-01 M7201916.00  1O  A
1963-07-24 D62610 730.00NGVD291O  A
1963-07-24 D62611 729.61NAVD881O  A
1963-07-24 D7201930.00  1O  A
1963-09-01 D62610 728.00NGVD291O  A
1963-09-01 D62611 727.61NAVD881O  A
1963-09-01 D7201932.00  1O  A
1965-06-15 D62610 726.00NGVD291O  A
1965-06-15 D62611 725.61NAVD881O  A
1965-06-15 D7201934.00  1O  A
1969-04-20 D62610 630.00NGVD291O  A
1969-04-20 D62611 629.61NAVD881O  A
1969-04-20 D72019130.00  1O  A
1986-02-2719:10 UTCm62610 563.00NGVD291OIL006AA
1986-02-2719:10 UTCm62611 562.61NAVD881OIL006AA
1986-02-2719:10 UTCm72019197.00  1OIL006AA
1986-09-0320:00 UTCm62610 544.00NGVD291OIL006AA
1986-09-0320:00 UTCm62611 543.61NAVD881OIL006AA
1986-09-0320:00 UTCm72019216.00  1OIL006AA

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyMDate is accurate to the Month
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 measurementOObserved.
Measuring agencyNot determined
Measuring agencyIL006State of Illinois Environmental Protection Agency
Source of measurementNot determined
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusAApproved for publication -- Processing and review completed.