Agency
U.S. Geological Survey
USGS
Site identification number
404730073423101
n/a
Site name
N 8877. 1
n/a
Site type
Well
GW
DMS latitude
404731.56
n/a
DMS longitude
0734229.97
n/a
Decimal latitude
40.7921
n/a
Decimal longitude
-73.708325
n/a
Latitude-longitude method
GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
X
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
New York
36
State
New York
36
County
Nassau County
059
Country
US
n/a
Land net location description
n/a
Name of location map
SEA CLIFF, NY
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
12.0
feet
n/a
Method altitude determined
Level or other surveyed method.
L
Altitude accuracy
0.1
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Northern Long Island
02030201
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19720821
n/a
Date site established or inventoried
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
EST
n/a
Site honors Daylight Saving Time
N
n/a
Data reliability
Minimal data.
M
Data-other GW files
YYNNNYNN
n/a
National aquifer
Northern Atlantic Coastal Plain aquifer system
S100NATLCP
Local aquifer
Glacial Aquifer, Upper
112GLCLU
Local aquifer type
Unconfined single aquifer
U
Well depth
76.
feet
n/a
Hole depth
92.
feet
n/a
Source of depth data
n/a
Project number
n/a
