Agency
U.S. Geological Survey
USGS
Site identification number
414315087313102
n/a
Site name
38N15E-5.1b2 (USEPA BH18I)
n/a
Site type
Well
GW
DMS latitude
414315.97
n/a
DMS longitude
0873131.78
n/a
Decimal latitude
41.72113806
n/a
Decimal longitude
-87.5255391
n/a
Latitude-longitude method
Interpolated from Digital MAP.
N
Latitude-longitude accuracy
Accurate to + or - .01 sec (Differentially-Corrected GPS).
H
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
Cook County
031
Country
US
n/a
Land net location description
NESESES5 T31N R15E
n/a
Name of location map
LAKE CALUMET
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
591
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
1
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Little Calumet-Galien
04040001
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19920608
n/a
Date site established or inventoried
19980209
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
YYNNYYNN
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
45
feet
n/a
Hole depth
45
feet
n/a
Source of depth data
S
n/a
Project number
SEChicago
n/a
