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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 1986-11-13 1986-11-13
Inorganics, Major, Metals Water-quality 1986-11-13 1986-11-13
Inorganics, Major, Non-metals Water-quality 1986-11-13 2013-04-02
Inorganics, Minor, Non-metals Water-quality 1986-11-13 1986-11-13
Inorganics, Minor, metals Water-quality 1986-11-13 2013-04-02
Nutrient Water-quality 1986-11-13 1986-11-13
Organics, other Water-quality 1986-11-13 1986-11-13
Organics, pesticide Water-quality 1986-11-13 2002-04-02
Physical Water-quality 1986-11-13 2013-04-02
Water Data for the Nation inventory

Monitoring location 421943088160501 is associated with a Well in McHenry County, Illinois. Water data back to 1986 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
421943088160501 n/a
Site name
45N 8E-35.5a1 n/a
Site type
Well
GW
DMS latitude 421943 n/a
DMS longitude 0881605 n/a
Decimal latitude 42.3286329 n/a
Decimal longitude -88.2681421 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
McHenry County 111
Country US n/a
Land net location description SESESWS35 T45N R8E 3 n/a
Name of location map MCHENRY n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 765 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 5 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
07120006
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
1960 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
Data have been checked by the reporting agency. C
Data-other GW files YYYNNYNN 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 60 feet n/a
Hole depth
n/a
Source of depth data A n/a
Project number 441706200 n/a