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 - 47 cfs (+1)
10/15/2019 12:50 AM ----- 47 cfs (+1)
Daily Median Flow 48 cfs
Gauge 7.81 feet (+0.01)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 18 cfs (+1)
10/14/2019 10:15 PM ----- 18 cfs (+1)
Daily Median Flow 20 cfs
Gauge 1.52 feet (+0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 52 cfs (+6)
10/15/2019 12:45 AM ----- 52 cfs (+6)
Daily Median Flow 74 cfs
Gauge 1.72 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 64 cfs (-1)
10/15/2019 12:45 AM ----- 64 cfs (-1)
Daily Median Flow 95 cfs
Gauge 3.36 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 60 cfs (+4)
10/15/2019 12:00 AM ----- 60 cfs (+4)
Daily Median Flow 117 cfs
Gauge 2.27 feet (+0.03)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 906.65 msl (-0.03)
10/15/2019 12:15 AM
906.65 msl (-0.03)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 109 cfs (+0)
10/15/2019 12:00 AM ----- 109 cfs (+0)
Daily Median Flow 118 cfs
Gauge 4.48 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 3.87 feet (+0.00)
10/15/2019 12:45 AM
Gauge 3.87 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 145 cfs (+4)
10/15/2019 12:45 AM ----- 145 cfs (+4)
Daily Median Flow 183 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.30 msl (+0.01)
10/15/2019 12:30 AM
799.30 msl (+0.01)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.00 cfs (+0.00)
10/15/2019 12:00 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 284 cfs (+0)
10/15/2019 12:45 AM ----- 284 cfs (+0)
Daily Median Flow 289 cfs
Gauge 4.15 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 9.56 feet (+0.01)
10/15/2019 12:00 AM
Gauge 9.56 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.77 feet (-0.07)
10/15/2019 12:15 AM
Gauge -0.77 feet (-0.07)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.13 feet (+0.02)
10/15/2019 12:00 AM
Gauge 4.13 feet (+0.02)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 236 cfs (-6)
10/15/2019 12:15 AM ----- 236 cfs (-6)
Daily Median Flow 412 cfs
Gauge 11.13 feet (-0.02)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 6.81 feet (+0.18)
10/15/2019 12:30 AM
Gauge 6.81 feet (+0.18)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 1330 cfs (+160)
10/15/2019 12:45 AM ----- 1330 cfs (+160)
Daily Median Flow 870 cfs
Gauge 13.08 feet (+0.23)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
10/15/2019 12:30 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 36 cfs
Gauge 2.97 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 0.01 cfs (+0.00)
10/15/2019 12:00 AM ----- 0.01 cfs (+0.00)
Daily Median Flow 2 cfs
Gauge 6.02 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 650 cfs (+46)
10/15/2019 12:00 AM ----- 650 cfs (+46)
Gauge 6.83 feet (+0.13)
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 - 0.09 cfs (+0.03)
10/15/2019 12:00 AM ----- 0.09 cfs (+0.03)
Daily Median Flow 5 cfs
Gauge 2.12 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 522 cfs (-71)
10/15/2019 12:30 AM ----- 522 cfs (-71)
Daily Median Flow 882 cfs
Gauge 7.95 feet (-0.18)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 636 cfs (+7)
10/15/2019 12:15 AM ----- 636 cfs (+7)
Daily Median Flow 845 cfs
Gauge 6.14 feet (+0.02)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 0.00 cfs (+0.00)
10/15/2019 12:45 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 7 cfs
Gauge 3.43 feet (+0.00)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 95.06 msl (-0.05)
10/15/2019 12:00 AM
95.06 msl (-0.05)
View NWS Site >>
Coleto Ck nr Victoria, TX - 2.66 cfs (+0.00)
10/15/2019 12:30 AM ----- 2.66 cfs (+0.00)
Daily Median Flow 4 cfs
Gauge 3.83 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 598 cfs (+22)
10/15/2019 12:00 AM ----- 598 cfs (+22)
Daily Median Flow 510 cfs
Gauge 9.97 feet (+0.13)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 680 cfs (-64)
10/15/2019 12:30 AM ----- 680 cfs (-64)
Daily Median Flow 1650 cfs
Gauge 3.90 feet (+0.00)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.49 feet (+0.00)
10/15/2019 12:45 AM
Gauge 0.49 feet (+0.00)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 2.72 feet (+0.00)
10/15/2019 12:45 AM
Gauge 2.72 feet (+0.00)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 40 cfs (+0)
10/15/2019 12:45 AM ----- 40 cfs (+0)
Daily Median Flow Not Available
Gauge 3.77 feet (+0.00)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 35 cfs (+0)
10/15/2019 12:45 AM ----- 35 cfs (+0)
Daily Median Flow 47 cfs
Gauge 3.77 feet (+0.00)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 0.00 cfs (+0.00)
10/15/2019 12:45 AM ----- 0.00 cfs (+0.00)
Daily Median Flow 34 cfs
Gauge 2.97 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 0.00 cfs (+0.00)
10/15/2019 12:40 AM ----- 0.00 cfs (+0.00)
Daily Median Flow Not Available
Gauge 6.83 feet (-0.01)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 175 cfs (-1)
10/15/2019 12:45 AM ----- 175 cfs (-1)
Daily Median Flow 179 cfs
Gauge 4.53 feet (-0.01)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 179 cfs (-8)
10/15/2019 12:45 AM ----- 179 cfs (-8)
Daily Median Flow 232 cfs
Gauge 7.88 feet (-0.03)
View NWS Site >>
San Marcos Rv at Luling, TX - 196 cfs (-2)
10/15/2019 12:45 AM ----- 196 cfs (-2)
Daily Median Flow 211 cfs
Gauge 4.53 feet (-0.01)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 4.09 cfs (-0.12)
10/15/2019 12:00 AM ----- 4.09 cfs (-0.12)
Daily Median Flow 0 cfs
Gauge 1.75 feet (-0.01)
Plum Ck nr Luling, TX - 5.64 cfs (+0.44)
10/15/2019 12:00 AM ----- 5.64 cfs (+0.44)
Daily Median Flow 8 cfs
Gauge 4.54 feet (+0.02)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority