Streamflow Data Map - Full-Screen View >>  List View >>

Each oval-shaped label represents a USGS gauge and shows the most current flow reading in cubic feet per second. When flow information is not available, a rectangular-shaped label shows the most current gauge height reading in feet.

100Stream flow - cfs

10.01Gauge stage - feet

The information on the streamflow map is updated every 15 minutes with data obtained from the U.S. Geological Survey (USGS), though not all gauges are updated simultaneously.
Click on a label to get more USGS information along with the National Weather Service forecast.
Click, hold and drag to reposition the map.
Zoom in to show more gauges, zoom out to hide gauges
(+/-0.00) - indicates change in 24 hours.

List View

  • Click on the name of a river to expand the list. Then click on a gauge name to see the data.

Guadalupe River Gauges

Guadalupe Rv at Hunt, TX - 50 cfs (-1)
07/20/2019 10:20 AM ----- 50 cfs (-1)
Daily Median Flow 34 cfs
Gauge 7.77 feet (-0.01)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 16 cfs (+0)
07/20/2019 10:15 AM ----- 16 cfs (+0)
Daily Median Flow 18 cfs
Gauge 1.56 feet (+0.00)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 56 cfs (+0)
07/20/2019 09:45 AM ----- 56 cfs (+0)
Daily Median Flow 49 cfs
Gauge 1.79 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 198 cfs (-9)
07/20/2019 09:45 AM ----- 198 cfs (-9)
Daily Median Flow 74 cfs
Gauge 3.64 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 187 cfs (-11)
07/20/2019 10:00 AM ----- 187 cfs (-11)
Daily Median Flow 111 cfs
Gauge 2.85 feet (-0.04)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 909.95 msl (-0.07)
07/20/2019 10:15 AM
909.95 msl (-0.07)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 344 cfs (+4)
07/20/2019 10:00 AM ----- 344 cfs (+4)
Daily Median Flow 252 cfs
Gauge 5.32 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.77 feet (-0.02)
07/20/2019 10:15 AM
Gauge 4.77 feet (-0.02)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 437 cfs (+0)
07/20/2019 10:15 AM ----- 437 cfs (+0)
Daily Median Flow 335 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
07/20/2019 09:30 AM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.13 cfs (+0.00)
07/20/2019 10:00 AM ----- 0.13 cfs (+0.00)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 346 cfs (+4)
07/20/2019 09:45 AM ----- 346 cfs (+4)
Daily Median Flow 285 cfs
Gauge 4.28 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.00 feet (+0.00)
07/20/2019 10:00 AM
Gauge 10.00 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.25 feet (-0.63)
07/20/2019 10:15 AM
Gauge -0.25 feet (-0.63)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.09 feet (+0.00)
07/20/2019 10:00 AM
Gauge 4.09 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 660 cfs (-360)
07/20/2019 10:15 AM ----- 660 cfs (-360)
Daily Median Flow 420 cfs
Gauge 12.10 feet (-0.73)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 8.27 feet (+0.35)
07/20/2019 09:30 AM
Gauge 8.27 feet (+0.35)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 1230 cfs (+90)
07/20/2019 09:45 AM ----- 1230 cfs (+90)
Daily Median Flow 640 cfs
Gauge 13.08 feet (+0.13)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
07/20/2019 09:30 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
Gauge 3.29 feet (-0.04)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 0.93 cfs (-0.54)
07/20/2019 10:00 AM ----- 0.93 cfs (-0.54)
Daily Median Flow 1 cfs
Gauge 7.54 feet (-0.20)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 870 cfs (-64)
07/20/2019 10:00 AM ----- 870 cfs (-64)
Gauge 8.10 feet (-0.25)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Gauge -999999.00 feet (-1000000.26)
04/23/2019 09:00 AM
Gauge -999999.00 feet (-1000000.26)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 0.98 cfs (-0.09)
07/20/2019 10:00 AM ----- 0.98 cfs (-0.09)
Daily Median Flow 4 cfs
Gauge 2.14 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 1180 cfs (+0)
07/20/2019 09:30 AM ----- 1180 cfs (+0)
Daily Median Flow 943 cfs
Gauge 9.13 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 831 cfs (-35)
07/20/2019 10:15 AM ----- 831 cfs (-35)
Daily Median Flow 927 cfs
Gauge 7.38 feet (-0.09)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.36 cfs (-0.05)
07/20/2019 09:45 AM ----- 0.36 cfs (-0.05)
Daily Median Flow 5 cfs
Gauge 4.21 feet (-0.01)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 97.15 msl (-0.03)
07/20/2019 10:00 AM
97.15 msl (-0.03)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.77 cfs (+0.00)
07/20/2019 09:30 AM ----- 2.77 cfs (+0.00)
Daily Median Flow 5 cfs
Gauge 3.84 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 1100 cfs (-70)
07/20/2019 10:00 AM ----- 1100 cfs (-70)
Daily Median Flow 700 cfs
Gauge 12.60 feet (-0.27)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 1680 cfs (+20)
07/20/2019 09:30 AM ----- 1680 cfs (+20)
Daily Median Flow 976 cfs
Gauge 4.75 feet (-0.08)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.64 feet (+0.00)
07/20/2019 10:15 AM
Gauge 0.64 feet (+0.00)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 4.89 feet (-0.01)
07/20/2019 10:15 AM
Gauge 4.89 feet (-0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 75 cfs (+0)
07/20/2019 10:15 AM ----- 75 cfs (+0)
Daily Median Flow Not Available
Gauge 3.96 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 71 cfs (+0)
07/20/2019 10:15 AM ----- 71 cfs (+0)
Daily Median Flow 49 cfs
Gauge 4.02 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 40 cfs (-1)
07/20/2019 10:15 AM ----- 40 cfs (-1)
Daily Median Flow 38 cfs
Gauge 4.90 feet (-0.01)
View NWS Site >>
Blanco Rv at San Marcos, TX - 2.47 cfs (-13.53)
07/20/2019 09:40 AM ----- 2.47 cfs (-13.53)
Daily Median Flow Not Available
Gauge 8.18 feet (-0.05)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 225 cfs (+12)
07/20/2019 09:45 AM ----- 225 cfs (+12)
Daily Median Flow 181 cfs
Gauge 4.86 feet (+0.05)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 249 cfs (+0)
07/20/2019 09:45 AM ----- 249 cfs (+0)
Daily Median Flow 207 cfs
Gauge 8.04 feet (+0.00)
View NWS Site >>
San Marcos Rv at Luling, TX - 294 cfs (-4)
07/20/2019 09:45 AM ----- 294 cfs (-4)
Daily Median Flow 212 cfs
Gauge 5.06 feet (-0.02)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 5.87 cfs (-0.16)
07/20/2019 10:00 AM ----- 5.87 cfs (-0.16)
Daily Median Flow 0 cfs
Gauge 1.65 feet (-0.01)
Plum Ck nr Luling, TX - 7.45 cfs (-0.30)
07/20/2019 10:00 AM ----- 7.45 cfs (-0.30)
Daily Median Flow 8 cfs
Gauge 4.65 feet (-0.01)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority