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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 422357088211001
Minimum number of levels = 1
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USGS 422357088211001 45N 8E- 7.8g

Mchenry County, Illinois
Latitude  42°23'57", Longitude  88°21'10" NAD27
Land-surface elevation 840 feet above NGVD29
The depth of the well is 185 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
1972 Y62610 785.00NGVD291Z  A
1972 Y62611 784.79NAVD881Z  A
1972 Y7201955.00  1Z  A
1979-05-03 D62610 794.92NGVD291S  A
1979-05-03 D62611 794.71NAVD881S  A
1979-05-03 D7201945.08  1S  A
1980-01-17 D62610 794.25NGVD291S  A
1980-01-17 D62611 794.04NAVD881S  A
1980-01-17 D7201945.75  1S  A
1980-03-04 D62610 791.38NGVD291S  A
1980-03-04 D62611 791.17NAVD881S  A
1980-03-04 D7201948.62  1S  A
1980-04-23 D62610 790.85NGVD291S  A
1980-04-23 D62611 790.64NAVD881S  A
1980-04-23 D7201949.15  1S  A
1980-06-06 D62610 792.07NGVD291S  A
1980-06-06 D62611 791.86NAVD881S  A
1980-06-06 D7201947.93  1S  A
1980-07-10 D62610 788.99NGVD291S  A
1980-07-10 D62611 788.78NAVD881S  A
1980-07-10 D7201951.01  1S  A
1980-08-01 D62610 788.93NGVD291S  A
1980-08-01 D62611 788.72NAVD881S  A
1980-08-01 D7201951.07  1S  A
1980-09-06 D62610 789.98NGVD291S  A
1980-09-06 D62611 789.77NAVD881S  A
1980-09-06 D7201950.02  1S  A
1980-10-09 D62610 791.71NGVD291S  A
1980-10-09 D62611 791.50NAVD881S  A
1980-10-09 D7201948.29  1S  A
1980-11-13 D62610 791.38NGVD291S  A
1980-11-13 D62611 791.17NAVD881S  A
1980-11-13 D7201948.62  1S  A
1980-12-06 D62610 793.97NGVD291S  A
1980-12-06 D62611 793.76NAVD881S  A
1980-12-06 D7201946.03  1S  A

Explanation
SectionCodeDescription
Water-level date-time accuracyDDate is accurate to the Day
Water-level date-time accuracyYDate is accurate to the Year
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 measurementSSteel-tape measurement.
Method of measurementZOther.
Measuring agencyNot determined
Source of measurementNot determined
Water-level approval statusAApproved for publication -- Processing and review completed.