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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 1985-10-09 1986-07-08
Inorganics, Major, Metals Water-quality 1985-10-09 1985-10-09
Inorganics, Major, Non-metals Water-quality 1985-10-09 1986-07-08
Inorganics, Minor, Non-metals Water-quality 1985-10-09 1985-10-09
Inorganics, Minor, metals Water-quality 1985-10-09 1985-10-09
Nutrient Water-quality 1985-10-09 1985-10-09
Organics, PCBs Water-quality 1986-07-08 1986-07-08
Organics, other Water-quality 1985-10-09 1985-10-09
Organics, pesticide Water-quality 1985-10-09 1986-07-08
Physical Groundwater Levels, Water-quality 1985-10-09 1986-07-08
Water Data for the Nation inventory

Monitoring location 415940088102501 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
415940088102501 n/a
Site name
41N 9E-35.4d1 n/a
Site type
Well
GW
DMS latitude 415940 n/a
DMS longitude 0881025 n/a
Decimal latitude 41.99447209 n/a
Decimal longitude -88.1736853 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 NWNWSES35 T 41N R 9E 3 n/a
Name of location map STREAMWOOD n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 787 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 4.3 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07120006
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 YYYNNYNN n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Quaternary System 110QRNR
Local aquifer type
n/a
Well depth 115 feet n/a
Hole depth
n/a
Source of depth data A n/a
Project number n/a