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 - 52 cfs (-10)
04/06/2020 09:25 AM ----- 52 cfs (-10)
Daily Median Flow 44 cfs
Gauge 7.93 feet (-0.07)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 18 cfs (-4)
04/06/2020 09:15 AM ----- 18 cfs (-4)
Daily Median Flow 20 cfs
Gauge 1.78 feet (-0.05)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 116 cfs (-32)
04/06/2020 08:45 AM ----- 116 cfs (-32)
Daily Median Flow 86 cfs
Gauge 1.94 feet (-0.07)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 175 cfs (-22)
04/06/2020 08:45 AM ----- 175 cfs (-22)
Daily Median Flow 127 cfs
Gauge 3.76 feet (-0.08)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 203 cfs (+63)
04/06/2020 09:00 AM ----- 203 cfs (+63)
Daily Median Flow 181 cfs
Gauge 2.91 feet (+0.22)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.28 msl (+0.00)
04/06/2020 09:15 AM
906.28 msl (+0.00)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 96 cfs (-2)
04/06/2020 09:00 AM ----- 96 cfs (-2)
Daily Median Flow 249 cfs
Gauge 4.42 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 3.94 feet (-0.03)
04/06/2020 09:15 AM
Gauge 3.94 feet (-0.03)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 165 cfs (+0)
04/06/2020 09:15 AM ----- 165 cfs (+0)
Daily Median Flow 316 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.30 msl (+0.00)
04/06/2020 08:30 AM
799.30 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 3.55 cfs (-20.55)
04/06/2020 09:00 AM ----- 3.55 cfs (-20.55)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 273 cfs (-65)
04/06/2020 08:45 AM ----- 273 cfs (-65)
Daily Median Flow 317 cfs
Gauge 4.22 feet (-0.17)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.73 feet (-0.08)
04/06/2020 09:00 AM
Gauge 9.73 feet (-0.08)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.51 feet (-0.37)
04/06/2020 09:15 AM
Gauge -0.51 feet (-0.37)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.17 feet (-0.23)
04/06/2020 09:00 AM
Gauge 4.17 feet (-0.23)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 535 cfs (-172)
04/06/2020 09:15 AM ----- 535 cfs (-172)
Daily Median Flow 440 cfs
Gauge 11.84 feet (-0.38)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 8.11 feet (-1.31)
04/06/2020 08:30 AM
Gauge 8.11 feet (-1.31)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 2300 cfs (-1470)
04/06/2020 08:45 AM ----- 2300 cfs (-1470)
Daily Median Flow 1070 cfs
Gauge 14.35 feet (-2.14)
View NWS Forecast >>
Peach Ck at Hwy 90 nr Waelder, TX - 38 cfs (-186)
04/06/2020 08:30 AM ----- 38 cfs (-186)
Daily Median Flow 4 cfs
Gauge 5.36 feet (-3.63)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 2130 cfs (+0)
04/06/2020 09:00 AM ----- 2130 cfs (+0)
Daily Median Flow 10 cfs
Gauge 22.59 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 5180 cfs (+1410)
04/06/2020 09:15 AM ----- 5180 cfs (+1410)
Gauge 17.63 feet (+2.42)
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 - 58 cfs (-9)
04/06/2020 09:00 AM ----- 58 cfs (-9)
Daily Median Flow 10 cfs
Gauge 4.11 feet (-0.29)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 5060 cfs (+2540)
04/06/2020 08:30 AM ----- 5060 cfs (+2540)
Daily Median Flow 1200 cfs
Gauge 15.05 feet (+3.34)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 3320 cfs (+1920)
04/06/2020 09:15 AM ----- 3320 cfs (+1920)
Daily Median Flow 1110 cfs
Gauge 12.05 feet (+4.13)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 16 cfs (+7)
04/06/2020 08:45 AM ----- 16 cfs (+7)
Daily Median Flow 14 cfs
Gauge 4.77 feet (+0.23)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 94.85 msl (-0.07)
04/06/2020 09:00 AM
94.85 msl (-0.07)
View NWS Site >>
Coleto Ck nr Victoria, TX - 6.47 cfs (-0.53)
04/06/2020 08:30 AM ----- 6.47 cfs (-0.53)
Daily Median Flow 5 cfs
Gauge 4.04 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 1650 cfs (+703)
04/06/2020 09:00 AM ----- 1650 cfs (+703)
Daily Median Flow 1120 cfs
Gauge 14.85 feet (+2.84)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 1610 cfs (+530)
04/06/2020 08:30 AM ----- 1610 cfs (+530)
Daily Median Flow 1620 cfs
Gauge 4.59 feet (+0.86)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.74 feet (-0.05)
04/06/2020 09:15 AM
Gauge 0.74 feet (-0.05)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 4.85 feet (+0.01)
04/06/2020 09:15 AM
Gauge 4.85 feet (+0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 30 cfs (0)
04/06/2020 09:15 AM ----- 30 cfs (0)
Daily Median Flow Not Available
Gauge 3.87 feet (-0.01)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 51 cfs (-11)
04/06/2020 09:15 AM ----- 51 cfs (-11)
Daily Median Flow 85 cfs
Gauge 3.98 feet (-0.06)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 38 cfs (-29)
04/06/2020 09:15 AM ----- 38 cfs (-29)
Daily Median Flow 80 cfs
Gauge 4.95 feet (-0.27)
View NWS Site >>
Blanco Rv at San Marcos, TX - 137 cfs (-46)
04/06/2020 08:40 AM ----- 137 cfs (-46)
Daily Median Flow Not Available
Gauge 8.77 feet (-0.26)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 168 cfs (+1)
04/06/2020 08:45 AM ----- 168 cfs (+1)
Daily Median Flow 193 cfs
Gauge 4.47 feet (+0.01)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 224 cfs (-51)
04/06/2020 08:45 AM ----- 224 cfs (-51)
Daily Median Flow 235 cfs
Gauge 7.82 feet (-0.18)
View NWS Site >>
San Marcos Rv at Luling, TX - 384 cfs (-76)
04/06/2020 08:45 AM ----- 384 cfs (-76)
Daily Median Flow 306 cfs
Gauge 5.43 feet (-0.29)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 148 cfs (-218)
04/06/2020 09:00 AM ----- 148 cfs (-218)
Daily Median Flow 5 cfs
Gauge 5.54 feet (-2.45)
Plum Ck nr Luling, TX - 362 cfs (-621)
04/06/2020 09:00 AM ----- 362 cfs (-621)
Daily Median Flow 17 cfs
Gauge 7.36 feet (-3.74)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority