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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 1985-11-15 1985-11-15
Inorganics, Major, Metals Water-quality 1985-11-15 1985-11-15
Inorganics, Major, Non-metals Water-quality 1985-11-15 1985-11-15
Inorganics, Minor, Non-metals Water-quality 1985-11-15 1985-11-15
Inorganics, Minor, metals Water-quality 1985-11-15 1985-11-15
Nutrient Water-quality 1985-11-15 1985-11-15
Organics, other Water-quality 1985-11-15 1985-11-15
Organics, pesticide Water-quality 1985-11-15 1985-11-15
Physical Water-quality 1985-11-15 1985-11-15
Water Data for the Nation inventory

Monitoring location 412921087335101 is associated with a Well in Cook County, Illinois. Water data back to 1985 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
412921087335101 n/a
Site name
35N14E-25.3c2 n/a
Site type
Well
GW
DMS latitude 412921 n/a
DMS longitude 0873351 n/a
Decimal latitude 41.48920185 n/a
Decimal longitude -87.56420799 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
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 SENWSES25 T 35N R 14E 3 n/a
Name of location map DYER n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface n/a
Method altitude determined n/a
Altitude accuracy n/a
Altitude datum
n/a
Subbasin hydrologic unit
07120003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
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 NYYNNNNN n/a
National aquifer Silurian-Devonian aquifers N400SLRDVN
Local aquifer Silurian System 350SLRN
Local aquifer type
n/a
Well depth 480 feet n/a
Hole depth
n/a
Source of depth data A n/a
Project number n/a