Agency
U.S. Geological Survey
USGS
Site identification number
274115099271301
n/a
Site name
YZ-85-21-501
n/a
Site type
Well
GW
DMS latitude
274115
n/a
DMS longitude
0992713
n/a
Decimal latitude
27.68779094
n/a
Decimal longitude
-99.4539277
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
Texas
48
State
Texas
48
County
Webb County
479
Country
US
n/a
Land net location description
n/a
Name of location map
Orvil, TX
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
665
feet
n/a
Method altitude determined
Interpolated from topographic map.
M
Altitude accuracy
5
feet
n/a
Altitude datum
National Geodetic Vertical Datum of 1929
NGVD29
Subbasin hydrologic unit
San Ambrosia-Santa Isabel
13080002
Drainage basin
n/a
Topographic setting
Flat surface
F
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
19970918
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
YYNYNYNN
n/a
National aquifer
Texas coastal uplands aquifer system
S100TXCLUP
Local aquifer
Carrizo Sand and Wilcox Group, Undifferentiated
124CZWX
Local aquifer type
Confined single aquifer
C
Well depth
3320
feet
n/a
Hole depth
3320
feet
n/a
Source of depth data
A
n/a
Project number
4648-17100
n/a
