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 - 58 cfs (+3)
05/25/2019 08:30 PM ----- 58 cfs (+3)
Daily Median Flow 45 cfs
Gauge 7.90 feet (+0.02)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 21 cfs (+0)
05/25/2019 08:15 PM ----- 21 cfs (+0)
Daily Median Flow 24 cfs
Gauge 1.66 feet (+0.00)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 107 cfs (+4)
05/25/2019 08:45 PM ----- 107 cfs (+4)
Daily Median Flow 87 cfs
Gauge 1.88 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 186 cfs (-6)
05/25/2019 07:45 PM ----- 186 cfs (-6)
Daily Median Flow 131 cfs
Gauge 3.66 feet (-0.02)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 459 cfs (-20)
05/25/2019 08:00 PM ----- 459 cfs (-20)
Daily Median Flow 273 cfs
Gauge 3.59 feet (-0.04)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 909.85 msl (+0.05)
05/25/2019 08:15 PM
909.85 msl (+0.05)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 367 cfs (+0)
05/25/2019 08:00 PM ----- 367 cfs (+0)
Daily Median Flow 305 cfs
Gauge 5.30 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 4.76 feet (-0.01)
05/25/2019 08:30 PM
Gauge 4.76 feet (-0.01)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 452 cfs (-8)
05/25/2019 08:30 PM ----- 452 cfs (-8)
Daily Median Flow 450 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.29 msl (+0.00)
05/25/2019 08:30 PM
799.29 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 0.70 cfs (-0.07)
05/25/2019 08:00 PM ----- 0.70 cfs (-0.07)
Daily Median Flow 0 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 380 cfs (+4)
05/25/2019 07:45 PM ----- 380 cfs (+4)
Daily Median Flow 315 cfs
Gauge 4.34 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.13 feet (-0.01)
05/25/2019 08:00 PM
Gauge 10.13 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge 0.00 feet (+0.13)
05/25/2019 08:15 PM
Gauge 0.00 feet (+0.13)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.13 feet (-0.03)
05/25/2019 08:00 PM
Gauge 4.13 feet (-0.03)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 799 cfs (-29)
05/25/2019 08:15 PM ----- 799 cfs (-29)
Daily Median Flow 549 cfs
Gauge 12.32 feet (-0.06)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 9.12 feet (-1.36)
05/25/2019 08:30 PM
Gauge 9.12 feet (-1.36)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 1940 cfs (-1090)
05/25/2019 07:45 PM ----- 1940 cfs (-1090)
Daily Median Flow 893 cfs
Gauge 14.33 feet (-1.56)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 0.00 cfs (+0.00)
05/25/2019 08:30 PM ----- 0.00 cfs (+0.00)
Daily Median Flow 0 cfs
Gauge 3.88 feet (-0.04)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 17 cfs (-1)
05/25/2019 08:00 PM ----- 17 cfs (-1)
Daily Median Flow 8 cfs
Gauge 9.22 feet (-0.03)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 2210 cfs (-220)
05/25/2019 08:00 PM ----- 2210 cfs (-220)
Gauge 12.22 feet (-0.65)
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 - 7.49 cfs (-2.50)
05/25/2019 08:00 PM ----- 7.49 cfs (-2.50)
Daily Median Flow 10 cfs
Gauge 2.57 feet (-0.11)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 2740 cfs (-120)
05/25/2019 08:30 PM ----- 2740 cfs (-120)
Daily Median Flow 1350 cfs
Gauge 11.88 feet (-0.17)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 2920 cfs (-30)
05/25/2019 08:15 PM ----- 2920 cfs (-30)
Daily Median Flow 1370 cfs
Gauge 11.14 feet (-0.08)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 11 cfs (-1)
05/25/2019 07:45 PM ----- 11 cfs (-1)
Daily Median Flow 12 cfs
Gauge 4.63 feet (-0.03)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 98.17 msl (-0.02)
05/25/2019 08:00 PM
98.17 msl (-0.02)
View NWS Site >>
Coleto Ck nr Victoria, TX - 5.30 cfs (+0.00)
05/25/2019 08:30 PM ----- 5.30 cfs (+0.00)
Daily Median Flow 5 cfs
Gauge 3.98 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 3000 cfs (-50)
05/25/2019 08:00 PM ----- 3000 cfs (-50)
Daily Median Flow 733 cfs
Gauge 18.85 feet (-0.11)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2500 cfs (-20)
05/25/2019 08:30 PM ----- 2500 cfs (-20)
Daily Median Flow 1570 cfs
Gauge 6.95 feet (-0.07)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.86 feet (-0.01)
05/25/2019 08:30 PM
Gauge 0.86 feet (-0.01)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.28 feet (-0.01)
05/25/2019 08:30 PM
Gauge 5.28 feet (-0.01)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 293 cfs (-8)
05/25/2019 08:30 PM ----- 293 cfs (-8)
Daily Median Flow Not Available
Gauge 4.38 feet (-0.03)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 209 cfs (-16)
05/25/2019 08:30 PM ----- 209 cfs (-16)
Daily Median Flow 93 cfs
Gauge 4.52 feet (-0.04)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 310 cfs (-16)
05/25/2019 08:30 PM ----- 310 cfs (-16)
Daily Median Flow 96 cfs
Gauge 6.16 feet (-0.07)
View NWS Site >>
Blanco Rv at San Marcos, TX - 363 cfs (-19)
05/25/2019 07:40 PM ----- 363 cfs (-19)
Daily Median Flow Not Available
Gauge 9.69 feet (-0.07)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 271 cfs (+5)
05/25/2019 07:45 PM ----- 271 cfs (+5)
Daily Median Flow 181 cfs
Gauge 5.39 feet (+0.03)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 463 cfs (-14)
05/25/2019 07:45 PM ----- 463 cfs (-14)
Daily Median Flow 254 cfs
Gauge 8.75 feet (-0.04)
View NWS Site >>
San Marcos Rv at Luling, TX - 552 cfs (-33)
05/25/2019 07:45 PM ----- 552 cfs (-33)
Daily Median Flow 247 cfs
Gauge 6.31 feet (-0.12)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 13 cfs (-2)
05/25/2019 08:00 PM ----- 13 cfs (-2)
Daily Median Flow 5 cfs
Gauge 2.24 feet (-0.06)
Plum Ck nr Luling, TX - 21 cfs (-4)
05/25/2019 08:00 PM ----- 21 cfs (-4)
Daily Median Flow 26 cfs
Gauge 4.92 feet (-0.05)
View NWS Forecast >>
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