Agency
U.S. Geological Survey
USGS
Site identification number
420121087583401
n/a
Site name
41N11E-22.7a
n/a
Site type
Well
GW
DMS latitude
420120.6
n/a
DMS longitude
0875833.8
n/a
Decimal latitude
42.02238889
n/a
Decimal longitude
-87.9760556
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 (Differentially-Corrected GPS).
1
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
SESWSWS22 T41N R11E
n/a
Name of location map
Arlington Heights
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
705
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
2.5
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Des Plaines
07120004
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
20120321
n/a
Date site established or inventoried
20120326
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
Unconfined single aquifer
U
Well depth
43.7
feet
n/a
Hole depth
44
feet
n/a
Source of depth data
S
n/a
Project number
MCU00
n/a
