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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 412950087514301
Minimum number of levels = 1
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USGS 412950087514301 35N12E-28.5g1

Will County, Illinois
Latitude  41°29'50", Longitude  87°51'43" NAD27
Land-surface elevation 750.00 feet above NGVD29
The depth of the well is 0,433 feet below land surface.
The depth of the hole is 433 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
1968-06-20 D62610 675.00NGVD291O  A
1968-06-20 D62611 674.71NAVD881O  A
1968-06-20 D7201975.00  1O  A
1975-12-10 D62610 666.00NGVD291O  A
1975-12-10 D62611 665.71NAVD881O  A
1975-12-10 D7201984.00  1O  A
1979-09-21 D62610 662.00NGVD291O  A
1979-09-21 D62611 661.71NAVD881O  A
1979-09-21 D7201988.00  1O  A
1984-06-0417:50 UTCm62610 617.00NGVD291OUSGSSA
1984-06-0417:50 UTCm62611 616.71NAVD881OUSGSSA
1984-06-0417:50 UTCm72019133.00  1OUSGSSA
1984-10-1116:00 UTCm62610 620.00NGVD291OUSGSSA
1984-10-1116:00 UTCm62611 619.71NAVD881OUSGSSA
1984-10-1116:00 UTCm72019130.00  1OUSGSSA
1984-11-2815:15 UTCm62610 617.00NGVD291OUSGSSA
1984-11-2815:15 UTCm62611 616.71NAVD881OUSGSSA
1984-11-2815:15 UTCm72019133.00  1OUSGSSA
1985-03-1415:30 UTCm62610 620.00NGVD291OUSGSSA
1985-03-1415:30 UTCm62611 619.71NAVD881OUSGSSA
1985-03-1415:30 UTCm72019130.00  1OUSGSSA
1986-12-1219:35 UTCm62610 625.00NGVD291OUSGSSA
1986-12-1219:35 UTCm62611 624.71NAVD881OUSGSSA
1986-12-1219:35 UTCm72019125.00  1OUSGSSA
1987-05-1319:55 UTCm62610 732.00NGVD291OUSGSSA
1987-05-1319:55 UTCm62611 731.71NAVD881OUSGSSA
1987-05-1319:55 UTCm7201918.00  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.