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 - 37 cfs (+1)
12/09/2019 11:05 PM ----- 37 cfs (+1)
Daily Median Flow 52 cfs
Gauge 7.83 feet (+0.01)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 20 cfs (-3)
12/09/2019 11:00 PM ----- 20 cfs (-3)
Daily Median Flow 23 cfs
Gauge 2.07 feet (-0.03)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 54 cfs (-3)
12/09/2019 10:45 PM ----- 54 cfs (-3)
Daily Median Flow 79 cfs
Gauge 1.77 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 79 cfs (-4)
12/09/2019 10:45 PM ----- 79 cfs (-4)
Daily Median Flow 112 cfs
Gauge 3.45 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 80 cfs (+0)
12/09/2019 11:00 PM ----- 80 cfs (+0)
Daily Median Flow 156 cfs
Gauge 2.42 feet (+0.00)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.09 msl (+0.00)
12/09/2019 10:15 PM
906.09 msl (+0.00)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 82 cfs (+0)
12/09/2019 11:00 PM ----- 82 cfs (+0)
Daily Median Flow 161 cfs
Gauge 4.30 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 3.78 feet (+0.01)
12/09/2019 11:00 PM
Gauge 3.78 feet (+0.01)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 114 cfs (-35)
12/09/2019 11:00 PM ----- 114 cfs (-35)
Daily Median Flow 200 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.32 msl (+0.01)
12/09/2019 10:30 PM
799.32 msl (+0.01)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
12/09/2019 11:00 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 330 cfs (+8)
12/09/2019 10:45 PM ----- 330 cfs (+8)
Daily Median Flow 309 cfs
Gauge 4.23 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.73 feet (+0.05)
12/09/2019 11:00 PM
Gauge 9.73 feet (+0.05)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.68 feet (-0.12)
12/09/2019 10:15 PM
Gauge -0.68 feet (-0.12)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.14 feet (+0.02)
12/09/2019 11:00 PM
Gauge 4.14 feet (+0.02)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 501 cfs (+42)
12/09/2019 10:15 PM ----- 501 cfs (+42)
Daily Median Flow 444 cfs
Gauge 11.84 feet (+0.10)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 7.08 feet (-0.23)
12/09/2019 10:30 PM
Gauge 7.08 feet (-0.23)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 580 cfs (-133)
12/09/2019 10:45 PM ----- 580 cfs (-133)
Daily Median Flow 905 cfs
Gauge 11.80 feet (-0.25)
View NWS Forecast >>
Peach Ck at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
12/09/2019 10:30 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 17 cfs
Gauge 2.96 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 1.41 cfs (+0.03)
12/09/2019 11:00 PM ----- 1.41 cfs (+0.03)
Daily Median Flow 7 cfs
Gauge 7.27 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 731 cfs (+117)
12/09/2019 11:00 PM ----- 731 cfs (+117)
Gauge 7.17 feet (+0.33)
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 - 0.40 cfs (-0.07)
12/09/2019 11:00 PM ----- 0.40 cfs (-0.07)
Daily Median Flow 9 cfs
Gauge 2.15 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 605 cfs (-8)
12/09/2019 10:30 PM ----- 605 cfs (-8)
Daily Median Flow 906 cfs
Gauge 8.21 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 681 cfs (-13)
12/09/2019 10:15 PM ----- 681 cfs (-13)
Daily Median Flow 881 cfs
Gauge 6.27 feet (-0.04)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
12/09/2019 10:45 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 10 cfs
Gauge 3.52 feet (+0.00)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 94.43 msl (+0.00)
12/09/2019 11:00 PM
94.43 msl (+0.00)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.66 cfs (+0.00)
12/09/2019 10:30 PM ----- 2.66 cfs (+0.00)
Daily Median Flow 5 cfs
Gauge 3.86 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 664 cfs (+18)
12/09/2019 11:00 PM ----- 664 cfs (+18)
Daily Median Flow 501 cfs
Gauge 10.40 feet (+0.10)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 943 cfs (+12)
12/09/2019 10:30 PM ----- 943 cfs (+12)
Daily Median Flow 1550 cfs
Gauge 3.69 feet (+0.14)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.48 feet (+0.01)
12/09/2019 11:00 PM
Gauge 0.48 feet (+0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 2.80 feet (+0.01)
12/09/2019 11:00 PM
Gauge 2.80 feet (+0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 18 cfs (+0)
12/09/2019 11:00 PM ----- 18 cfs (+0)
Daily Median Flow Not Available
Gauge 3.73 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 30 cfs (+1)
12/09/2019 11:00 PM ----- 30 cfs (+1)
Daily Median Flow 53 cfs
Gauge 3.75 feet (+0.01)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
12/09/2019 11:00 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 48 cfs
Gauge 2.97 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 1.33 cfs (-0.39)
12/09/2019 10:40 PM ----- 1.33 cfs (-0.39)
Daily Median Flow Not Available
Gauge 7.43 feet (-0.08)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 169 cfs (-1)
12/09/2019 10:45 PM ----- 169 cfs (-1)
Daily Median Flow 173 cfs
Gauge 4.43 feet (-0.01)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 122 cfs (+5)
12/09/2019 10:45 PM ----- 122 cfs (+5)
Daily Median Flow 232 cfs
Gauge 7.73 feet (+0.01)
View NWS Site >>
San Marcos Rv at Luling, TX - 190 cfs (+6)
12/09/2019 10:45 PM ----- 190 cfs (+6)
Daily Median Flow 203 cfs
Gauge 4.53 feet (+0.03)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 25 cfs (+2)
12/09/2019 11:00 PM ----- 25 cfs (+2)
Daily Median Flow 3 cfs
Gauge 2.61 feet (+0.05)
Plum Ck nr Luling, TX - 12 cfs (+0)
12/09/2019 11:00 PM ----- 12 cfs (+0)
Daily Median Flow 14 cfs
Gauge 4.71 feet (+0.00)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority