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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 =
  • 383804090084601
Minimum number of levels = 1
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USGS 383804090084601 2N 9W- 7.8c

St. Clair County, Illinois
Latitude  38°38'04", Longitude  90°08'46" NAD27
Land-surface elevation 420 feet above NAVD88
Output formats
Table of data
Tab-separated data
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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
1982-09-30 D62610 394.96NGVD291SUSGSSA
1982-09-30 D62611 394.63NAVD881SUSGSSA
1982-09-30 D7201925.37  1SUSGSSA
1982-12-1416:30 UTCm62610 396.03NGVD291OUSGSSP
1982-12-1416:30 UTCm62611 395.70NAVD881OUSGSSP
1982-12-1416:30 UTCm7201924.30  1OUSGSSP

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.
Water-level approval statusPProvisional data subject to revision.