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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 412421090334401
Minimum number of levels = 1
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USGS 412421090334401 17N 2W-36.7h1

Rock Island County, Illinois
Latitude  41°25'37", Longitude  90°33'53" NAD27
Land-surface elevation 665 feet above NGVD29
The depth of the well is 1,739 feet below land surface.
The depth of the hole is 1,739 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.
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
2009-08-01 D62610 450.00NGVD291A  A
2009-08-01 D62611 449.79NAVD881A  A
2009-08-01 D72019215.00  1A  A
2011-08-02 D62610 505.00NGVD291A  A
2011-08-02 D62611 504.79NAVD881A  A
2011-08-02 D72019160.00  1A  A
2012-07-01 D62610 499.00NGVD291AUSGSSA
2012-07-01 D62611 498.79NAVD881AUSGSSA
2012-07-01 D72019166.00  1AUSGSSA
2014-06-2516:00 UTCm62610 424.00NGVD291AUSGSSA
2014-06-2516:00 UTCm62611 423.79NAVD881AUSGSSA
2014-06-2516:00 UTCm72019241.00  1AUSGSSA
2017-07-1116:00 UTCm62610 450.00NGVD291AUSGSSA
2017-07-1116:00 UTCm62611 449.79NAVD881AUSGSSA
2017-07-1116:00 UTCm72019215.00  1AUSGSSA
2019-05-22 D62610 420.00NGVD291A  A
2019-05-22 D62611 419.79NAVD881A  A
2019-05-22 D72019245.00  1A  A
2020-06-23 D62610 420.00NGVD291A  A
2020-06-23 D62611 419.79NAVD881A  A
2020-06-23 D72019245.00  1A  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
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.
Measuring agencyNot determined
Measuring agencyUSGSU.S. Geological Survey
Source of measurementNot determined
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.