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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1993-06-17 1993-06-17
Inorganics, Major, Metals Water-quality 1993-06-17 1993-06-17
Inorganics, Major, Non-metals Water-quality 1993-06-17 1993-06-17
Inorganics, Minor, Non-metals Water-quality 1993-06-17 1993-06-17
Inorganics, Minor, metals Water-quality 1993-06-17 1993-06-17
Nutrient Water-quality 1993-06-17 1993-06-17
Organics, PCBs Water-quality 1993-06-17 1993-06-17
Organics, other Water-quality 1993-06-17 1993-06-17
Organics, pesticide Water-quality 1993-06-17 1993-06-17
Physical Groundwater Levels, Water-quality 1992-06-23 2014-06-05
Water Data for the Nation inventory

Monitoring location 414442087325702 is associated with a Well in Cook County, Illinois. Water data back to 1992 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
414442087325702 n/a
Site name
38N15E-32.2e (USEPA BH4D) n/a
Site type
Well
GW
DMS latitude 414442 n/a
DMS longitude 0873257 n/a
Decimal latitude 41.745035 n/a
Decimal longitude -87.5492126 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
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 SWSENES32 T37N R15E n/a
Name of location map LAKE CALUMET QUAD n/a
Scale of location map n/a
Altitude of Gage/land surface 587 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 1 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
04040002
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
19920203 n/a
Date site established or inventoried 19980209 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
Data have been checked by the reporting agency. C
Data-other GW files YYNYYYNN n/a
National aquifer Silurian-Devonian aquifers N400SLRDVN
Local aquifer Niagaran Series 355NIGR
Local aquifer type
n/a
Well depth 33 feet n/a
Hole depth
33 feet n/a
Source of depth data S n/a
Project number SEChicago n/a