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 - 64 cfs (+0)
06/16/2019 06:45 AM ----- 64 cfs (+0)
Daily Median Flow 40 cfs
Gauge 7.87 feet (+0.00)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 27 cfs (+0)
06/16/2019 06:15 AM ----- 27 cfs (+0)
Daily Median Flow 21 cfs
Gauge 1.68 feet (+0.00)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 82 cfs (+0)
06/16/2019 06:45 AM ----- 82 cfs (+0)
Daily Median Flow 79 cfs
Gauge 1.85 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 220 cfs (+0)
06/16/2019 02:45 AM ----- 220 cfs (+0)
Daily Median Flow 112 cfs
Gauge 3.71 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 332 cfs (-23)
06/16/2019 06:00 AM ----- 332 cfs (-23)
Daily Median Flow 181 cfs
Gauge 3.29 feet (-0.06)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 909.94 msl (-0.02)
06/16/2019 06:15 AM
909.94 msl (-0.02)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 360 cfs (+0)
06/16/2019 06:00 AM ----- 360 cfs (+0)
Daily Median Flow 245 cfs
Gauge 5.28 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.70 feet (-0.01)
06/16/2019 06:45 AM
Gauge 4.70 feet (-0.01)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 401 cfs (+0)
06/16/2019 06:45 AM ----- 401 cfs (+0)
Daily Median Flow 395 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
06/16/2019 06:30 AM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.31 cfs (-0.03)
06/16/2019 06:00 AM ----- 0.31 cfs (-0.03)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 371 cfs (-9)
06/16/2019 06:45 AM ----- 371 cfs (-9)
Daily Median Flow 303 cfs
Gauge 4.32 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.02 feet (-0.01)
06/16/2019 06:00 AM
Gauge 10.02 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.24 feet (-0.57)
06/16/2019 06:15 AM
Gauge -0.24 feet (-0.57)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.10 feet (+0.00)
06/16/2019 06:00 AM
Gauge 4.10 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 1100 cfs (-30)
06/16/2019 06:15 AM ----- 1100 cfs (-30)
Daily Median Flow 453 cfs
Gauge 12.91 feet (-0.04)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 8.41 feet (+0.14)
06/16/2019 06:30 AM
Gauge 8.41 feet (+0.14)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 1090 cfs (-260)
06/16/2019 06:45 AM ----- 1090 cfs (-260)
Daily Median Flow 665 cfs
Gauge 13.13 feet (-0.38)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
06/16/2019 06:30 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
Gauge 3.67 feet (-0.02)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 14 cfs (0)
06/16/2019 06:00 AM ----- 14 cfs (0)
Daily Median Flow 7 cfs
Gauge 9.08 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 1310 cfs (-260)
06/16/2019 06:00 AM ----- 1310 cfs (-260)
Gauge 9.38 feet (-0.85)
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 - 7.06 cfs (-3.44)
06/16/2019 06:00 AM ----- 7.06 cfs (-3.44)
Daily Median Flow 8 cfs
Gauge 2.55 feet (-0.15)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 1760 cfs (-70)
06/16/2019 06:30 AM ----- 1760 cfs (-70)
Daily Median Flow 1320 cfs
Gauge 10.34 feet (-0.12)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 1810 cfs (-50)
06/16/2019 06:15 AM ----- 1810 cfs (-50)
Daily Median Flow 1320 cfs
Gauge 8.94 feet (-0.11)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 7.08 cfs (-0.77)
06/16/2019 06:45 AM ----- 7.08 cfs (-0.77)
Daily Median Flow 10 cfs
Gauge 4.48 feet (-0.03)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 97.76 msl (-0.03)
06/16/2019 06:00 AM
97.76 msl (-0.03)
View NWS Site >>
Coleto Ck nr Victoria, TX - 5.09 cfs (+0.00)
06/16/2019 06:30 AM ----- 5.09 cfs (+0.00)
Daily Median Flow 5 cfs
Gauge 3.97 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 1700 cfs (+90)
06/16/2019 06:00 AM ----- 1700 cfs (+90)
Daily Median Flow 560 cfs
Gauge 15.53 feet (+0.27)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2220 cfs (-110)
06/16/2019 06:30 AM ----- 2220 cfs (-110)
Daily Median Flow 1030 cfs
Gauge 6.68 feet (-0.05)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.74 feet (-0.01)
06/16/2019 06:45 AM
Gauge 0.74 feet (-0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.05 feet (-0.01)
06/16/2019 06:45 AM
Gauge 5.05 feet (-0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 102 cfs (+0)
06/16/2019 06:45 AM ----- 102 cfs (+0)
Daily Median Flow Not Available
Gauge 4.12 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 136 cfs (+0)
06/16/2019 06:45 AM ----- 136 cfs (+0)
Daily Median Flow 73 cfs
Gauge 4.21 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 146 cfs (-7)
06/16/2019 06:45 AM ----- 146 cfs (-7)
Daily Median Flow 77 cfs
Gauge 5.46 feet (-0.03)
View NWS Site >>
Blanco Rv at San Marcos, TX - 211 cfs (+3)
06/16/2019 06:40 AM ----- 211 cfs (+3)
Daily Median Flow Not Available
Gauge 8.98 feet (+0.02)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 261 cfs (-2)
06/16/2019 06:45 AM ----- 261 cfs (-2)
Daily Median Flow 201 cfs
Gauge 5.15 feet (-0.01)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 360 cfs (+0)
06/16/2019 06:45 AM ----- 360 cfs (+0)
Daily Median Flow 213 cfs
Gauge 8.42 feet (+0.00)
View NWS Site >>
San Marcos Rv at Luling, TX - 386 cfs (-16)
06/16/2019 06:45 AM ----- 386 cfs (-16)
Daily Median Flow 247 cfs
Gauge 5.68 feet (-0.06)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 12 cfs (-4)
06/16/2019 06:00 AM ----- 12 cfs (-4)
Daily Median Flow 3 cfs
Gauge 2.21 feet (-0.12)
Plum Ck nr Luling, TX - 17 cfs (-6)
06/16/2019 06:00 AM ----- 17 cfs (-6)
Daily Median Flow 24 cfs
Gauge 4.86 feet (-0.09)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority