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Groundwater levels for the Nation

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Agency code = usgs
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  • 421850089025501
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USGS 421850089025501 44N 2E- 6.5c1

Winnebago County, Illinois
Latitude  42°18'50", Longitude  89°02'55" NAD27
Land-surface elevation 731 feet above NAVD88
The depth of the well is 190 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 Quaternary System (110QRNR) local aquifer.
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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
1985-05-2918:05 UTCm62610 666.19NGVD291OIL006AP
1985-05-2918:05 UTCm62611 666.00NAVD881OIL006AP
1985-05-2918:05 UTCm7201965.00  1OIL006AP
1985-11-1317:15 UTCm62610 668.19NGVD291OIL006AP
1985-11-1317:15 UTCm62611 668.00NAVD881OIL006AP
1985-11-1317:15 UTCm7201963.00  1OIL006AP
1985-12-1216:45 UTCm62610 670.19NGVD291OIL006AP
1985-12-1216:45 UTCm62611 670.00NAVD881OIL006AP
1985-12-1216:45 UTCm7201961.00  1OIL006AP
1986-05-0815:55 UTCm62610 669.19NGVD291OIL006AP
1986-05-0815:55 UTCm62611 669.00NAVD881OIL006AP
1986-05-0815:55 UTCm7201962.00  1OIL006AP
1986-08-0616:05 UTCm62610 670.19NGVD291OIL006AP
1986-08-0616:05 UTCm62611 670.00NAVD881OIL006AP
1986-08-0616:05 UTCm7201961.00  1OIL006AP
1986-12-1116:20 UTCm62610 671.19NGVD291OIL006AP
1986-12-1116:20 UTCm62611 671.00NAVD881OIL006AP
1986-12-1116:20 UTCm7201960.00  1OIL006AP

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 measurementOObserved.
Measuring agencyIL006State of Illinois Environmental Protection Agency
Source of measurementAReported by another government agency (do not use "A" if reported by owner, use "O").
Water-level approval statusPProvisional data subject to revision.