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

Each blue label represents a USGS gauge and shows the most current flow reading in cubic feet per second. When flow information is not available, a white 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 - 7.83 cfs (-1.02)
08/18/2018 12:45 AM ----- 7.83 cfs (-1.02)
Daily Median Flow 36 cfs
Guage 7.70 feet (-0.03)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 31 cfs (+1)
08/18/2018 12:15 AM ----- 31 cfs (+1)
Daily Median Flow 18 cfs
Guage 1.63 feet (+0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 26 cfs (-2)
08/18/2018 12:45 AM ----- 26 cfs (-2)
Daily Median Flow 53 cfs
Guage 1.52 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 19 cfs (-5)
08/18/2018 12:45 AM ----- 19 cfs (-5)
Daily Median Flow 60 cfs
Guage 3.11 feet (-0.06)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 11 cfs (+3)
08/18/2018 12:00 AM ----- 11 cfs (+3)
Daily Median Flow 72 cfs
Guage 1.78 feet (-0.01)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 902.47 msl (-0.05)
08/18/2018 12:15 AM
902.47 msl (-0.05)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 67 cfs (+0)
08/18/2018 12:00 AM ----- 67 cfs (+0)
Daily Median Flow 155 cfs
Guage 4.18 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Guage 3.67 feet (-0.02)
08/18/2018 12:45 AM
Guage 3.67 feet (-0.02)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 98 cfs (+3)
08/18/2018 12:45 AM ----- 98 cfs (+3)
Daily Median Flow 195 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
08/18/2018 12:30 AM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
08/18/2018 12:00 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 183 cfs (-3)
08/18/2018 12:45 AM ----- 183 cfs (-3)
Daily Median Flow 270 cfs
Guage 3.86 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Guage 9.00 feet (+0.00)
08/18/2018 12:30 AM
Guage 9.00 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Guage 0.00 feet (+0.26)
01/01/0001 12:00 AM
Guage 0.00 feet (+0.26)
View NWS Forecast >>
Geronimo Ck nr Seguin, Tx - Guage 4.05 feet (+0.01)
08/18/2018 12:00 AM
Guage 4.05 feet (+0.01)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 93 cfs (-10)
08/18/2018 12:15 AM ----- 93 cfs (-10)
Daily Median Flow 415 cfs
Guage 10.75 feet (-0.04)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Guage 0.00 feet (-6.64)
01/01/0001 12:00 AM
Guage 0.00 feet (-6.64)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 349 cfs (-10)
08/18/2018 12:45 AM ----- 349 cfs (-10)
Daily Median Flow 688 cfs
Guage 11.35 feet (-0.02)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 0.14 cfs (-0.05)
08/18/2018 12:00 AM ----- 0.14 cfs (-0.05)
Daily Median Flow 1 cfs
Guage 6.19 feet (-0.09)

View USGS Site Page >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - Guage 14.35 feet (+0.00)
08/18/2018 12:00 AM
Guage 14.35 feet (+0.00)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Guage 0.00 feet (-0.46)
01/01/0001 12:00 AM
Guage 0.00 feet (-0.46)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 1.39 cfs (-0.11)
08/18/2018 12:00 AM ----- 1.39 cfs (-0.11)
Daily Median Flow 2 cfs
Guage 2.23 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 302 cfs (+0)
08/18/2018 12:30 AM ----- 302 cfs (+0)
Daily Median Flow 725 cfs
Guage 7.70 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 353 cfs (-7)
08/18/2018 12:15 AM ----- 353 cfs (-7)
Daily Median Flow 650 cfs
Guage 5.21 feet (-0.03)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
08/18/2018 12:45 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 3 cfs
Guage 2.98 feet (-0.02)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 94.49 msl (-0.03)
08/18/2018 12:00 AM
94.49 msl (-0.03)
View NWS Site >>
Coleto Ck nr Victoria, TX - 3.16 cfs (+0.00)
08/18/2018 12:30 AM ----- 3.16 cfs (+0.00)
Daily Median Flow 3 cfs
Guage 3.75 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 344 cfs (+2)
08/18/2018 12:00 AM ----- 344 cfs (+2)
Daily Median Flow 461 cfs
Guage 8.71 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 1060 cfs (+397)
08/18/2018 12:30 AM ----- 1060 cfs (+397)
Daily Median Flow 937 cfs
Guage 3.56 feet (+0.22)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Guage 0.00 feet (-0.56)
01/01/0001 12:00 AM
Guage 0.00 feet (-0.56)
View NWS Forecast >>
Little Blanco Rv at FM32 nr Fischer, TX - Guage 0.00 feet (-2.73)
01/01/0001 12:00 AM
Guage 0.00 feet (-2.73)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 15 cfs (+0)
01/01/0001 12:00 AM ----- 15 cfs (+0)
Daily Median Flow Not Available
Guage 0.00 feet (-2.88)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 10 cfs (+0)
01/01/0001 12:00 AM ----- 10 cfs (+0)
Daily Median Flow 37 cfs
Guage 0.00 feet (-3.54)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
01/01/0001 12:00 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 23 cfs
Guage 0.00 feet (-2.99)
View NWS Site >>
Blanco Rv at San Marcos, TX - 0.42 cfs (-0.07)
08/18/2018 12:40 AM ----- 0.42 cfs (-0.07)
Daily Median Flow Not Available
Guage 6.97 feet (-0.02)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 142 cfs (+3)
08/18/2018 12:45 AM ----- 142 cfs (+3)
Daily Median Flow 166 cfs
Guage 3.91 feet (+0.04)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 130 cfs (+13)
08/18/2018 12:45 AM ----- 130 cfs (+13)
Daily Median Flow 169 cfs
Guage 7.63 feet (+0.03)
View NWS Site >>
San Marcos Rv at Luling, TX - 126 cfs (-1)
08/18/2018 12:45 AM ----- 126 cfs (-1)
Daily Median Flow 174 cfs
Guage 4.20 feet (-0.01)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 0.59 cfs (+0.03)
08/18/2018 12:00 AM ----- 0.59 cfs (+0.03)
Daily Median Flow 0 cfs
Guage 1.52 feet (+0.01)
Plum Ck nr Luling, TX - 3.82 cfs (-0.46)
08/18/2018 12:00 AM ----- 3.82 cfs (-0.46)
Daily Median Flow 4 cfs
Guage 4.37 feet (-0.02)
View NWS Forecast >>

© 1998 Guadalupe-Blanco River Authority

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