Agency
U.S. Geological Survey
USGS
Site identification number
303710097405101
n/a
Site name
ZK-58-27-221
n/a
Site type
Well
GW
DMS latitude
303710
n/a
DMS longitude
0974051
n/a
Decimal latitude
30.61944444
n/a
Decimal longitude
-97.6808333
n/a
Latitude-longitude method
Differentially corrected Global Positioning System.
D
Latitude-longitude accuracy
Accurate to + or - 1 sec.
S
Latitude-longitude datum
North American Datum of 1983
NAD83
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
753
feet
n/a
Method altitude determined
Interpolated from Digital Elevation Model
N
Altitude accuracy
5
feet
n/a
Altitude datum
North American Vertical Datum of 1988
NAVD88
Subbasin hydrologic unit
San Gabriel
12070205
Drainage basin
n/a
Topographic setting
Undulating
U
Flags for instruments at site
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
n/a
Date of first construction
n/a
Date site established or inventoried
20050426
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
YY Y
n/a
National aquifer
Edwards-Trinity aquifer system
S500EDRTRN
Local aquifer
n/a
Local aquifer type
n/a
Well depth
200
feet
n/a
Hole depth
n/a
Source of depth data
A
n/a
Project number
8653-BWA01
n/a
