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 - 33 cfs (+3)
05/28/2020 12:25 PM ----- 33 cfs (+3)
Daily Median Flow 48 cfs
Gauge 7.78 feet (+0.03)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 18 cfs (+2)
05/28/2020 12:15 PM ----- 18 cfs (+2)
Daily Median Flow 26 cfs
Gauge 1.51 feet (+0.02)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 173 cfs (+119)
05/28/2020 11:45 AM ----- 173 cfs (+119)
Daily Median Flow 100 cfs
Gauge 2.00 feet (+0.28)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 445 cfs (+366)
05/28/2020 11:45 AM ----- 445 cfs (+366)
Daily Median Flow 144 cfs
Gauge 4.72 feet (+1.29)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 174 cfs (-66)
05/28/2020 12:00 PM ----- 174 cfs (-66)
Daily Median Flow 249 cfs
Gauge 2.86 feet (-0.19)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 907.54 msl (+0.05)
05/28/2020 12:15 PM
907.54 msl (+0.05)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 96 cfs (+0)
05/28/2020 12:00 PM ----- 96 cfs (+0)
Daily Median Flow 306 cfs
Gauge 4.42 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.16 feet (-0.09)
05/28/2020 12:15 PM
Gauge 4.16 feet (-0.09)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 287 cfs (-35)
05/28/2020 12:15 PM ----- 287 cfs (-35)
Daily Median Flow 445 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.31 msl (+0.00)
05/28/2020 11:30 AM
799.31 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.77 cfs (-0.69)
05/28/2020 12:00 PM ----- 0.77 cfs (-0.69)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 288 cfs (+4)
05/28/2020 11:45 AM ----- 288 cfs (+4)
Daily Median Flow 317 cfs
Gauge 4.19 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.88 feet (+0.02)
05/28/2020 12:00 PM
Gauge 9.88 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.45 feet (-0.31)
05/28/2020 12:15 PM
Gauge -0.45 feet (-0.31)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.16 feet (-0.20)
05/28/2020 12:00 PM
Gauge 4.16 feet (-0.20)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 867 cfs (-103)
05/28/2020 12:15 PM ----- 867 cfs (-103)
Daily Median Flow 653 cfs
Gauge 12.50 feet (-0.20)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 8.04 feet (-0.31)
05/28/2020 11:30 AM
Gauge 8.04 feet (-0.31)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 2440 cfs (-2070)
05/28/2020 11:45 AM ----- 2440 cfs (-2070)
Daily Median Flow 1170 cfs
Gauge 14.66 feet (-3.01)
View NWS Forecast >>
Peach Ck at Hwy 90 nr Waelder, TX - 75 cfs (+75)
05/28/2020 11:30 AM ----- 75 cfs (+75)
Daily Median Flow 0 cfs
Gauge 6.31 feet (+2.92)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 536 cfs (+514)
05/28/2020 12:00 PM ----- 536 cfs (+514)
Daily Median Flow 7 cfs
Gauge 14.79 feet (+4.70)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 3480 cfs (-1850)
05/28/2020 12:00 PM ----- 3480 cfs (-1850)
Gauge 13.95 feet (-2.44)
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 - 87 cfs (+19)
05/28/2020 12:00 PM ----- 87 cfs (+19)
Daily Median Flow 8 cfs
Gauge 4.94 feet (+0.54)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 4110 cfs (-490)
05/28/2020 11:30 AM ----- 4110 cfs (-490)
Daily Median Flow 1520 cfs
Gauge 13.81 feet (-0.62)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 4080 cfs (+2860)
05/28/2020 12:15 PM ----- 4080 cfs (+2860)
Daily Median Flow 1420 cfs
Gauge 14.26 feet (+6.43)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 30 cfs (+9)
05/28/2020 11:45 AM ----- 30 cfs (+9)
Daily Median Flow 12 cfs
Gauge 5.10 feet (+0.21)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 95.07 msl (-0.02)
05/28/2020 12:00 PM
95.07 msl (-0.02)
View NWS Site >>
Coleto Ck nr Victoria, TX - 4.89 cfs (-0.63)
05/28/2020 11:30 AM ----- 4.89 cfs (-0.63)
Daily Median Flow 5 cfs
Gauge 4.00 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 2490 cfs (+1450)
05/28/2020 12:00 PM ----- 2490 cfs (+1450)
Daily Median Flow 1060 cfs
Gauge 17.37 feet (+5.22)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 1760 cfs (+310)
05/28/2020 11:30 AM ----- 1760 cfs (+310)
Daily Median Flow 1780 cfs
Gauge 4.03 feet (+0.50)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.83 feet (-0.05)
05/28/2020 12:15 PM
Gauge 0.83 feet (-0.05)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.31 feet (-0.09)
05/28/2020 12:15 PM
Gauge 5.31 feet (-0.09)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 46 cfs (-17)
05/28/2020 12:15 PM ----- 46 cfs (-17)
Daily Median Flow Not Available
Gauge 4.21 feet (-0.21)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 234 cfs (-89)
05/28/2020 12:15 PM ----- 234 cfs (-89)
Daily Median Flow 97 cfs
Gauge 4.56 feet (-0.20)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 299 cfs (-131)
05/28/2020 12:15 PM ----- 299 cfs (-131)
Daily Median Flow 100 cfs
Gauge 6.31 feet (-0.46)
View NWS Site >>
Blanco Rv at San Marcos, TX - 415 cfs (-166)
05/28/2020 11:40 AM ----- 415 cfs (-166)
Daily Median Flow Not Available
Gauge 9.99 feet (-0.45)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 190 cfs (+7)
05/28/2020 12:15 PM ----- 190 cfs (+7)
Daily Median Flow 188 cfs
Gauge 4.96 feet (+0.07)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 495 cfs (-210)
05/28/2020 11:45 AM ----- 495 cfs (-210)
Daily Median Flow 387 cfs
Gauge 8.69 feet (-0.56)
View NWS Site >>
San Marcos Rv at Luling, TX - 739 cfs (-501)
05/28/2020 11:45 AM ----- 739 cfs (-501)
Daily Median Flow 317 cfs
Gauge 6.72 feet (-1.69)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 236 cfs (+75)
05/28/2020 12:00 PM ----- 236 cfs (+75)
Daily Median Flow 4 cfs
Gauge 6.54 feet (+1.04)
Plum Ck nr Luling, TX - 414 cfs (+48)
05/28/2020 12:00 PM ----- 414 cfs (+48)
Daily Median Flow 21 cfs
Gauge 7.69 feet (+0.32)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority