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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 421511089013101
Minimum number of levels = 1
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USGS 421511089013101 44N 2E-29.3a1

Winnebago County, Illinois
Latitude  42°15'11", Longitude  89°01'31" NAD27
Land-surface elevation 862 feet above NAVD88
The depth of the well is 1,426 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ordovician-Cambrian Systems (367OVCB) 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
1985-12-1718:10 UTCm62610 512.19NGVD291OIL006AP
1985-12-1718:10 UTCm62611 512.00NAVD881OIL006AP
1985-12-1718:10 UTCm72019350.00  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.