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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 =
  • 384158090025101
Minimum number of levels = 1
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USGS 384158090025101 3N 9W-24.4g1

Madison County, Illinois
Latitude  38°41'58", Longitude  90°02'51" NAD27
Land-surface elevation 420 feet above NGVD29
The depth of the well is 110 feet below land surface.
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
1982-09-24 D62610 406.41NGVD291SUSGSSA
1982-09-24 D62611 405.87NAVD881SUSGSSA
1982-09-24 D7201913.59  1SUSGSSA
1982-12-1421:15 UTCm62610 402.80NGVD291OUSGSSA
1982-12-1421:15 UTCm62611 402.26NAVD881OUSGSSA
1982-12-1421:15 UTCm7201917.20  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.
Method of measurementSSteel-tape measurement.
Measuring agencyUSGSU.S. Geological Survey
Source of measurementSMeasured by personnel of reporting agency.
Water-level approval statusAApproved for publication -- Processing and review completed.