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 - 24 cfs (+0)
08/19/2019 09:50 PM ----- 24 cfs (+0)
Daily Median Flow 35 cfs
Gauge 7.72 feet (+0.00)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 17 cfs (-1)
08/19/2019 09:15 PM ----- 17 cfs (-1)
Daily Median Flow 19 cfs
Gauge 1.51 feet (-0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 45 cfs (-3)
08/19/2019 09:45 PM ----- 45 cfs (-3)
Daily Median Flow 49 cfs
Gauge 1.70 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 76 cfs (-5)
08/19/2019 09:45 PM ----- 76 cfs (-5)
Daily Median Flow 63 cfs
Gauge 3.36 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 90 cfs (-2)
08/19/2019 09:00 PM ----- 90 cfs (-2)
Daily Median Flow 74 cfs
Gauge 2.40 feet (-0.01)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 908.77 msl (-0.03)
08/19/2019 09:15 PM
908.77 msl (-0.03)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 153 cfs (+19)
08/19/2019 09:00 PM ----- 153 cfs (+19)
Daily Median Flow 148 cfs
Gauge 4.71 feet (+0.09)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.06 feet (-0.01)
08/19/2019 09:45 PM
Gauge 4.06 feet (-0.01)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 213 cfs (+0)
08/19/2019 09:45 PM ----- 213 cfs (+0)
Daily Median Flow 191 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
08/19/2019 09:30 PM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
08/19/2019 09:00 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 277 cfs (-4)
08/19/2019 09:45 PM ----- 277 cfs (-4)
Daily Median Flow 269 cfs
Gauge 4.19 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.77 feet (-0.02)
08/19/2019 09:00 PM
Gauge 9.77 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.59 feet (-0.23)
08/19/2019 09:15 PM
Gauge -0.59 feet (-0.23)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.08 feet (+0.04)
08/19/2019 09:00 PM
Gauge 4.08 feet (+0.04)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 531 cfs (+4)
08/19/2019 09:15 PM ----- 531 cfs (+4)
Daily Median Flow 435 cfs
Gauge 11.81 feet (+0.01)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.39 feet (+0.52)
08/19/2019 09:30 PM
Gauge 7.39 feet (+0.52)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 819 cfs (+5)
08/19/2019 09:45 PM ----- 819 cfs (+5)
Daily Median Flow 536 cfs
Gauge 12.42 feet (+0.01)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
08/19/2019 09:30 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
Gauge 2.98 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 0.05 cfs (+0.00)
08/19/2019 09:00 PM ----- 0.05 cfs (+0.00)
Daily Median Flow 1 cfs
Gauge 6.17 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 714 cfs (+110)
08/19/2019 09:00 PM ----- 714 cfs (+110)
Gauge 7.01 feet (-0.22)
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)
08/19/2019 09:00 PM ----- 0.98 cfs (-0.09)
Daily Median Flow 3 cfs
Gauge 2.14 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 788 cfs (+48)
08/19/2019 09:30 PM ----- 788 cfs (+48)
Daily Median Flow 728 cfs
Gauge 8.42 feet (+0.09)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 707 cfs (-23)
08/19/2019 09:15 PM ----- 707 cfs (-23)
Daily Median Flow 682 cfs
Gauge 6.36 feet (-0.06)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
08/19/2019 09:45 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 3 cfs
Gauge 3.57 feet (-0.02)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 96.25 msl (-0.03)
08/19/2019 09:00 PM
96.25 msl (-0.03)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.45 cfs (+0.10)
08/19/2019 09:30 PM ----- 2.45 cfs (+0.10)
Daily Median Flow 4 cfs
Gauge 3.81 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 666 cfs (-18)
08/19/2019 09:00 PM ----- 666 cfs (-18)
Daily Median Flow 335 cfs
Gauge 10.56 feet (-0.10)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 871 cfs (-7)
08/19/2019 09:30 PM ----- 871 cfs (-7)
Daily Median Flow 953 cfs
Gauge 3.11 feet (-0.09)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.57 feet (-0.05)
08/19/2019 09:45 PM
Gauge 0.57 feet (-0.05)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 3.49 feet (-0.20)
08/19/2019 09:45 PM
Gauge 3.49 feet (-0.20)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 67 cfs (-1)
08/19/2019 09:45 PM ----- 67 cfs (-1)
Daily Median Flow Not Available
Gauge 3.87 feet (-0.01)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 48 cfs (+0)
08/19/2019 09:45 PM ----- 48 cfs (+0)
Daily Median Flow 35 cfs
Gauge 3.89 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 10 cfs (+0)
08/19/2019 09:45 PM ----- 10 cfs (+0)
Daily Median Flow 22 cfs
Gauge 4.38 feet (+0.01)
View NWS Site >>
Blanco Rv at San Marcos, TX - 0.00 cfs (+0.00)
08/19/2019 09:40 PM ----- 0.00 cfs (+0.00)
Daily Median Flow Not Available
Gauge 7.56 feet (-0.02)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 226 cfs (+1)
08/19/2019 09:45 PM ----- 226 cfs (+1)
Daily Median Flow 163 cfs
Gauge 4.73 feet (+0.01)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 261 cfs (+3)
08/19/2019 09:45 PM ----- 261 cfs (+3)
Daily Median Flow 177 cfs
Gauge 8.08 feet (+0.01)
View NWS Site >>
San Marcos Rv at Luling, TX - 238 cfs (-9)
08/19/2019 09:45 PM ----- 238 cfs (-9)
Daily Median Flow 179 cfs
Gauge 4.81 feet (-0.04)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 5.56 cfs (-0.47)
08/19/2019 09:00 PM ----- 5.56 cfs (-0.47)
Daily Median Flow 0 cfs
Gauge 1.63 feet (-0.03)
Plum Ck nr Luling, TX - 5.42 cfs (+0.00)
08/19/2019 09:00 PM ----- 5.42 cfs (+0.00)
Daily Median Flow 4 cfs
Gauge 4.57 feet (+0.00)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority