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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 2022-09-22 2022-09-22
Inorganics, Major, Non-metals Water-quality 2022-09-22 2022-09-22
Physical Water-quality 2022-09-22 2022-09-22
Water Data for the Nation inventory

Monitoring location 420046087534801 is associated with a Lake, Reservoir, Impoundment in Cook County, Illinois. Water data back to 2022 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
420046087534801 n/a
Site name
LAKE OPEKA NEAR DES PLAINES, IL n/a
Site type
Lake, Reservoir, Impoundment
LK
DMS latitude 420046.15 n/a
DMS longitude 0875348.45 n/a
Decimal latitude 42.01281944 n/a
Decimal longitude -87.8967917 n/a
Latitude-longitude method
Reported. R
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
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 S29 T41N R12E 3 n/a
Name of location map ARLINGTON HEIGHTS, I n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 630 feet n/a
Method altitude determined Interpolated from Digital Elevation Model N
Altitude accuracy 1.6 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07120004
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site 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
n/a
Data-other GW files n/a
National aquifer n/a
Local aquifer n/a
Local aquifer type
n/a
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a