Agency
U.S. Geological Survey
USGS
Site identification number
414037088003201
n/a
Site name
37N11E-20.8d1
n/a
Site type
Well
GW
DMS latitude
414036.76
n/a
DMS longitude
0880032.01
n/a
Decimal latitude
41.67687778
n/a
Decimal longitude
-88.0088917
n/a
Latitude-longitude method
Differentially corrected Global Positioning System.
D
Latitude-longitude accuracy
Accurate to + or - .01 sec (Differentially-Corrected GPS).
H
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
NWNWSWS20 T37N R11E
n/a
Name of location map
ROMEOVILLE
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
588.13
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
Des Plaines
07120004
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
YNNNNNNNNNNNNNNNYNNNNNNNNNNNNN
n/a
Date of first construction
20101216
n/a
Date site established or inventoried
20101220
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 YYY
n/a
National aquifer
Silurian-Devonian aquifers
N400SLRDVN
Local aquifer
Silurian System
350SLRN
Local aquifer type
Unconfined single aquifer
U
Well depth
61.7
feet
n/a
Hole depth
61.7
feet
n/a
Source of depth data
S
n/a
Project number
2407-E52RK
n/a
