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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 422730088363001
Minimum number of levels = 1
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USGS 422730088363001 46N 5E-24.8h

Mchenry County, Illinois
Latitude  42°27'30", Longitude  88°36'30" NAD27
Land-surface elevation 938 feet above NGVD29
Output formats
Table of data
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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
1979-04-30 D62610 925.83NGVD291S  A
1979-04-30 D62611 925.64NAVD881S  A
1979-04-30 D7201912.17  1S  A
1980-01-15 D62610 923.42NGVD291S  A
1980-01-15 D62611 923.23NAVD881S  A
1980-01-15 D7201914.58  1S  A
1980-02-28 D62610 923.04NGVD291S  A
1980-02-28 D62611 922.85NAVD881S  A
1980-02-28 D7201914.96  1S  A
1980-04-22 D62610 924.55NGVD291S  A
1980-04-22 D62611 924.36NAVD881S  A
1980-04-22 D7201913.45  1S  A
1980-06-05 D62610 923.31NGVD291S  A
1980-06-05 D62611 923.12NAVD881S  A
1980-06-05 D7201914.69  1S  A
1980-07-09 D62610 922.67NGVD291S  A
1980-07-09 D62611 922.48NAVD881S  A
1980-07-09 D7201915.33  1S  A
1980-07-31 D62610 922.06NGVD291S  A
1980-07-31 D62611 921.87NAVD881S  A
1980-07-31 D7201915.94  1S  A
1980-09-05 D62610 923.85NGVD291S  A
1980-09-05 D62611 923.66NAVD881S  A
1980-09-05 D7201914.15  1S  A
1980-10-02 D62610 920.51NGVD291S  A
1980-10-02 D62611 920.32NAVD881S  A
1980-10-02 D7201917.49  1S  A
1980-11-01 D62610 921.32NGVD291S  A
1980-11-01 D62611 921.13NAVD881S  A
1980-11-01 D7201916.68  1S  A
1980-12-04 D62610 923.42NGVD291S  A
1980-12-04 D62611 923.23NAVD881S  A
1980-12-04 D7201914.58  1S  A

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