Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

Search Results -- 1 sites found

Agency code = usgs
site_no list =
  • 414952087491201
Minimum number of levels = 1
Save file of selected sites to local disk for future upload

USGS 414952087491201 39N12E-36.8e1

Cook County, Illinois
Latitude  41°49'52", Longitude  87°49'12" NAD27
Land-surface elevation 620 feet above NGVD29
The depth of the well is 1,980 feet below land surface.
The depth of the hole is 2,047 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
1898 Y62610 625.00NGVD29PO  A
1898 Y62611 624.71NAVD88PO  A
1898 Y72019-5.00  PO  A
1913 Y62610 510.00NGVD29PO  A
1913 Y62611 509.71NAVD88PO  A
1913 Y72019110.00  PO  A
1914-07 M62610 511.00NGVD29PO  A
1914-07 M62611 510.71NAVD88PO  A
1914-07 M72019109.00  PO  A
1920 Y62610 311.00NGVD29PO  A
1920 Y62611 310.71NAVD88PO  A
1920 Y72019309.00  PO  A
1959-10-27 D62610 507.00NGVD29PZ  A
1959-10-27 D62611 506.71NAVD88PZ  A
1959-10-27 D72019113.00  PZ  A

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