Agency
U.S. Geological Survey
USGS
Site identification number
301544090544001
n/a
Site name
An-257
n/a
Site type
Well
GW
DMS latitude
301544
n/a
DMS longitude
0905440
n/a
Decimal latitude
30.2624177
n/a
Decimal longitude
-90.9112097
n/a
Latitude-longitude method
Interpolated from MAP.
M
Latitude-longitude accuracy
Accurate to + or - 1 sec.
S
Latitude-longitude datum
North American Datum of 1927
NAD27
Decimal Latitude-longitude datum
North American Datum of 1983
NAD83
District
Louisiana
22
State
Louisiana
22
County
Ascension Parish
005
Country
US
n/a
Land net location description
S 16T 9S R 3E
n/a
Name of location map
PRAIRIEVILLE 162C
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
7.00
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
3
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
Lake Maurepas
08070204
Drainage basin
n/a
Topographic setting
Valley flat
V
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
19710823
n/a
Date site established or inventoried
n/a
Drainage area
n/a
Contributing drainage area
n/a
Time Zone abbreviation
CST
n/a
Site honors Daylight Saving Time
Y
n/a
Data reliability
Data have been checked by the reporting agency.
C
Data-other GW files
YYNNNNNN
n/a
National aquifer
Coastal lowlands aquifer system
S100CSLLWD
Local aquifer
Gonzales-New Orleans Aquifer
112GZNO
Local aquifer type
n/a
Well depth
540
feet
n/a
Hole depth
587
feet
n/a
Source of depth data
n/a
Project number
8601AGM
n/a
