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 - 179 cfs (+4)
12/15/2018 02:45 PM ----- 179 cfs (+4)
Daily Median Flow 51 cfs
Gauge 8.04 feet (+0.01)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 49 cfs (+0)
12/15/2018 02:15 PM ----- 49 cfs (+0)
Daily Median Flow 24 cfs
Gauge 1.88 feet (+0.00)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 152 cfs (+0)
12/15/2018 02:45 PM ----- 152 cfs (+0)
Daily Median Flow 81 cfs
Gauge 2.00 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 141 cfs (+2)
12/15/2018 02:45 PM ----- 141 cfs (+2)
Daily Median Flow 121 cfs
Gauge 3.89 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 409 cfs (-13)
12/15/2018 02:00 PM ----- 409 cfs (-13)
Daily Median Flow 156 cfs
Gauge 3.49 feet (-0.03)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 909.47 msl (-0.11)
12/15/2018 02:15 PM
909.47 msl (-0.11)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 749 cfs (-18)
12/15/2018 02:00 PM ----- 749 cfs (-18)
Daily Median Flow 128 cfs
Gauge 5.86 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 5.72 feet (-0.04)
12/15/2018 02:45 PM
Gauge 5.72 feet (-0.04)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 843 cfs (-11)
12/15/2018 02:45 PM ----- 843 cfs (-11)
Daily Median Flow 190 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.01)
12/15/2018 02:30 PM
799.29 msl (+0.01)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 2.01 cfs (-0.23)
12/15/2018 02:00 PM ----- 2.01 cfs (-0.23)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 384 cfs (+4)
12/15/2018 02:45 PM ----- 384 cfs (+4)
Daily Median Flow 308 cfs
Gauge 4.36 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.15 feet (-0.01)
12/15/2018 02:30 PM
Gauge 10.15 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge 0.64 feet (+0.02)
12/15/2018 02:15 PM
Gauge 0.64 feet (+0.02)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.26 feet (+0.03)
12/15/2018 02:00 PM
Gauge 4.26 feet (+0.03)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 1260 cfs (+80)
12/15/2018 02:15 PM ----- 1260 cfs (+80)
Daily Median Flow 425 cfs
Gauge 13.42 feet (+0.13)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 9.44 feet (-0.20)
12/15/2018 02:30 PM
Gauge 9.44 feet (-0.20)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 2430 cfs (-110)
12/15/2018 02:45 PM ----- 2430 cfs (-110)
Daily Median Flow 763 cfs
Gauge 14.83 feet (-0.16)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 8.55 cfs (-2.05)
12/15/2018 02:30 PM ----- 8.55 cfs (-2.05)
Daily Median Flow 1 cfs
Gauge 4.17 feet (-0.12)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 27 cfs (-6)
12/15/2018 01:00 PM ----- 27 cfs (-6)
Daily Median Flow 7 cfs
Gauge 9.64 feet (-0.17)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 2130 cfs (+20)
12/15/2018 02:00 PM ----- 2130 cfs (+20)
Gauge 11.97 feet (+0.08)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Gauge 1.12 feet (-0.14)
12/15/2018 02:00 PM
Gauge 1.12 feet (-0.14)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 53 cfs (-18)
12/15/2018 02:00 PM ----- 53 cfs (-18)
Daily Median Flow 11 cfs
Gauge 4.14 feet (-0.55)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 2370 cfs (-180)
12/15/2018 02:30 PM ----- 2370 cfs (-180)
Daily Median Flow 858 cfs
Gauge 11.62 feet (-0.26)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 2700 cfs (-500)
12/15/2018 02:15 PM ----- 2700 cfs (-500)
Daily Median Flow 885 cfs
Gauge 11.26 feet (-1.27)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 63 cfs (-13)
12/15/2018 02:45 PM ----- 63 cfs (-13)
Daily Median Flow 10 cfs
Gauge 5.61 feet (-0.17)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 98.26 msl (-0.11)
12/15/2018 02:00 PM
98.26 msl (-0.11)
View NWS Site >>
Coleto Ck nr Victoria, TX - 27 cfs (-322)
12/15/2018 02:30 PM ----- 27 cfs (-322)
Daily Median Flow 5 cfs
Gauge 4.65 feet (-2.71)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 4620 cfs (+0)
12/08/2018 09:15 AM ----- 4620 cfs (+0)
Daily Median Flow 463 cfs
Gauge 22.44 feet (-2.01)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2990 cfs (-40)
12/15/2018 02:30 PM ----- 2990 cfs (-40)
Daily Median Flow 1510 cfs
Gauge 7.83 feet (-0.14)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.71 feet (+0.01)
12/15/2018 02:45 PM
Gauge 0.71 feet (+0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.10 feet (+0.00)
12/15/2018 02:45 PM
Gauge 5.10 feet (+0.00)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 64 cfs (+0)
12/15/2018 02:45 PM ----- 64 cfs (+0)
Daily Median Flow Not Available
Gauge 3.34 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 118 cfs (-5)
12/15/2018 02:45 PM ----- 118 cfs (-5)
Daily Median Flow 50 cfs
Gauge 4.22 feet (-0.02)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 144 cfs (-13)
12/15/2018 02:45 PM ----- 144 cfs (-13)
Daily Median Flow 41 cfs
Gauge 5.41 feet (-0.06)
View NWS Site >>
Blanco Rv at San Marcos, TX - 135 cfs (-19)
12/15/2018 02:40 PM ----- 135 cfs (-19)
Daily Median Flow Not Available
Gauge 8.92 feet (-0.09)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 247 cfs (+2)
12/15/2018 02:45 PM ----- 247 cfs (+2)
Daily Median Flow 167 cfs
Gauge 5.05 feet (+0.02)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 387 cfs (-6)
12/15/2018 02:45 PM ----- 387 cfs (-6)
Daily Median Flow 193 cfs
Gauge 8.50 feet (-0.02)
View NWS Site >>
San Marcos Rv at Luling, TX - 517 cfs (-32)
12/15/2018 02:45 PM ----- 517 cfs (-32)
Daily Median Flow 202 cfs
Gauge 5.80 feet (-0.12)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 135 cfs (-35)
12/15/2018 02:00 PM ----- 135 cfs (-35)
Daily Median Flow 3 cfs
Gauge 4.88 feet (-0.60)
Plum Ck nr Luling, TX - 166 cfs (-44)
12/15/2018 02:00 PM ----- 166 cfs (-44)
Daily Median Flow 14 cfs
Gauge 6.05 feet (-0.31)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority