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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2015-11-20 2015-11-20
Inorganics, Major, Metals Water-quality 2009-11-30 2015-11-20
Inorganics, Major, Non-metals Water-quality 2009-11-30 2015-11-20
Inorganics, Minor, Non-metals Water-quality 2009-11-30 2015-11-20
Inorganics, Minor, metals Water-quality 2009-11-30 2015-11-20
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 2009-03-20 2016-10-06
n/a USGS Annual Water Data Reports Site 2014-01-01 2016-01-01
Water Data for the Nation inventory

Monitoring location 415109087395402 is associated with a Well in Cook County, Illinois. Water data back to 2009 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
415109087395402 n/a
Site name
39N14E-20.8a2 n/a
Site type
Well
GW
DMS latitude 415109.0 n/a
DMS longitude 0873954.4 n/a
Decimal latitude 41.8525 n/a
Decimal longitude -87.6651111 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
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 SWSWSWS20 T39N R14E n/a
Name of location map Englewood n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 590.21 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy 0.1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07120003
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site YNNNNNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
20090319 n/a
Date site established or inventoried 20090319 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 YY Y Y n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Quaternary System 110QRNR
Local aquifer type
Unconfined single aquifer U
Well depth 10.2 feet n/a
Hole depth
10.2 feet n/a
Source of depth data S n/a
Project number 2407-001SS n/a