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Groundwater levels for the Nation

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Agency code = usgs
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  • 413003090252401
Minimum number of levels = 1
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USGS 413003090252401 18N 1E-31.4a1

Rock Island County, Illinois
Latitude  41°30'03", Longitude  90°25'24" NAD27
Land-surface elevation 695 feet above NGVD29
The depth of the well is 554 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) 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
1985-07-2220:00 UTCm62610 507.00NGVD291OIL006AA
1985-07-2220:00 UTCm62611 506.74NAVD881OIL006AA
1985-07-2220:00 UTCm72019188.00  1OIL006AA

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 statusAApproved for publication -- Processing and review completed.