Agency
U.S. Geological Survey
USGS
Site identification number
303433097404001
n/a
Site name
ZK-58-27-531
n/a
Site type
Well
GW
DMS latitude
303433
n/a
DMS longitude
0974040
n/a
Decimal latitude
30.57602996
n/a
Decimal longitude
-97.6780637
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
Williamson County
491
Country
US
n/a
Land net location description
n/a
Name of location map
Round Rock, TX
n/a
Scale of location map
24000
n/a
Altitude of Gage/land surface
845
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 Gabriel
12070205
Drainage basin
n/a
Topographic setting
Hilltop
H
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
1951
n/a
Date site established or inventoried
19860424
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
YYNYNYYN
n/a
National aquifer
Edwards-Trinity aquifer system
S500EDRTRN
Local aquifer
Edwards and Associated Limestones
218EDRDA
Local aquifer type
Confined single aquifer
C
Well depth
300
feet
n/a
Hole depth
300
feet
n/a
Source of depth data
O
n/a
Project number
4648-00222
n/a
