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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 Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 2010-10-14 2020-07-07
Inorganics, Major, Metals Water-quality 2010-10-14 2020-07-07
Inorganics, Major, Non-metals Water-quality 2010-10-14 2020-07-07
Inorganics, Minor, Non-metals Water-quality 2010-10-14 2020-07-07
Inorganics, Minor, metals Water-quality 2010-10-14 2020-07-07
Nutrient Water-quality 2010-10-14 2020-07-07
Organics, other Water-quality 2020-07-07 2020-07-07
Organics, pesticide Water-quality 2020-07-07 2020-07-07
Physical Daily Values, Groundwater Levels, Unit Values, Water-quality 2009-02-27 2020-07-07
Radiochemistry Water-quality 2010-10-14 2020-07-07
n/a USGS Annual Water Data Reports Site 2011-01-01 2017-01-01
Water Data for the Nation inventory

Monitoring location 421341088283702 is associated with a Well in McHenry 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
421341088283702 n/a
Site name
43N6E-01.3b2 (15-COR-I) n/a
Site type
Well
GW
DMS latitude 421341 n/a
DMS longitude 0882837 n/a
Decimal latitude 42.22805556 n/a
Decimal longitude -88.4769444 n/a
Latitude-longitude method
Differentially corrected Global Positioning System. D
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
McHenry County 111
Country US n/a
Land net location description NESWSES01 T43N R6E n/a
Name of location map Huntley n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 851.48 feet n/a
Method altitude determined Differentially corrected Global Positioning System. D
Altitude accuracy .1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07090006
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site YNNNNNNNNNNNNNNNYNNNNNNNNNNNNN n/a
Date of first construction
20081027 n/a
Date site established or inventoried 20170519 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 n/a
National aquifer Sand and gravel aquifers (glaciated regions) N100GLCIAL
Local aquifer Quaternary System 110QRNR
Local aquifer type
Confined single aquifer C
Well depth 103.3 feet n/a
Hole depth
125 feet n/a
Source of depth data R n/a
Project number 2407E6N00 n/a