Agency
U.S. Geological Survey
USGS
Site identification number
405942087334101
n/a
Site name
29N11W-23.1h
n/a
Site type
Well
GW
DMS latitude
405942.4
n/a
DMS longitude
0873340.8
n/a
Decimal latitude
40.9951111
n/a
Decimal longitude
-87.5613333
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
Iroquois County
075
Country
US
n/a
Land net location description
NENENES23 T29N R11W
n/a
Name of location map
DONOVAN
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
669
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
Iroquois
07120002
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
1988
n/a
Date site established or inventoried
20110624
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
22.5
feet
n/a
Hole depth
n/a
Source of depth data
S
n/a
Project number
2407-CRK01
n/a
