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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Visit the Louisiana page for an example. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. You can update the state name in the URL to visit your State Page or read our announcement on the Water Data for the Nation blog to find links to all the state and territory pages.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1935-01-01 1935-01-01
Inorganics, Major, Non-metals Water-quality 1935-01-01 1935-01-01
Inorganics, Minor, metals Water-quality 1935-01-01 1935-01-01
Physical Water-quality 1935-01-01 1935-01-01
Water Data for the Nation inventory

Monitoring location 415125087412101 is associated with a Well in Cook County, Illinois. Water data back to 1935 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
415125087412101 n/a
Site name
39N13E-24.2d1 n/a
Site type
Well
GW
DMS latitude 415125 n/a
DMS longitude 874121 n/a
Decimal latitude 41.8569771 n/a
Decimal longitude -87.6892206 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 10 sec. T
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Illinois 17
State
Illinois 17
County
Cook County 031
Country US n/a
Land net location description NWNESES24 T 39N R 13E 3 n/a
Name of location map ENGLEWOOD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 596 feet n/a
Method altitude determined U n/a
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
07120003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19210101 n/a
Date site established or inventoried n/a
Drainage area
n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
N n/a
Data reliability
Unchecked data. U
Data-other GW files NYNNNNNN n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth 1982 feet n/a
Hole depth
n/a
Source of depth data n/a
Project number 034 n/a