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Groundwater levels for the Nation

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Agency code = usgs
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  • 405611087560001
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USGS 405611087560001 28N14W- 3.4d1

Iroquois County, Illinois
Latitude  40°56'11", Longitude  87°56'00" NAD27
Land-surface elevation 665.00 feet above NGVD29
The depth of the well is 137 feet below land surface.
The depth of the hole is 137 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.
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
1941-08-29 D62610 640.50NGVD291O  A
1941-08-29 D62611 640.23NAVD881O  A
1941-08-29 D7201924.50  1O  A
1976-04-19 D62610 630.00NGVD291O  A
1976-04-19 D62611 629.73NAVD881O  A
1976-04-19 D7201935.00  1O  A
1984-04-2320:30 UTCm62610 598.00NGVD291OUSGSSA
1984-04-2320:30 UTCm62611 597.73NAVD881OUSGSSA
1984-04-2320:30 UTCm7201967.00  1OUSGSSA
1984-11-0818:50 UTCm62610 609.40NGVD291OUSGSSA
1984-11-0818:50 UTCm62611 609.13NAVD881OUSGSSA
1984-11-0818:50 UTCm7201955.60  1OUSGSSA

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 measurementOObserved.
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.