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 - 66 cfs (+3)
02/20/2019 07:30 AM ----- 66 cfs (+3)
Daily Median Flow 46 cfs
Gauge 7.95 feet (+0.02)
View NWS Forecast >>
N Fk Guadalupe Rv nr Hunt, TX - 23 cfs (+1)
02/20/2019 07:15 AM ----- 23 cfs (+1)
Daily Median Flow 21 cfs
Gauge 1.75 feet (+0.01)

View USGS Site Page >>
Guadalupe Rv at Kerrville, TX - 105 cfs (+0)
02/20/2019 07:45 AM ----- 105 cfs (+0)
Daily Median Flow 82 cfs
Gauge 1.90 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Comfort, TX - 222 cfs (+12)
02/20/2019 06:45 AM ----- 222 cfs (+12)
Daily Median Flow 128 cfs
Gauge 3.80 feet (+0.04)
View NWS Forecast >>
Guadalupe Rv nr Spring Branch, TX - 350 cfs (-4)
02/20/2019 07:00 AM ----- 350 cfs (-4)
Daily Median Flow 174 cfs
Gauge 3.35 feet (-0.01)
View NWS Forecast >>
Canyon Lk nr New Braunfels, TX - 909.42 msl (+0.00)
02/19/2019 07:15 AM
909.42 msl (+0.00)
View NWS Site >>
Guadalupe Rv at Sattler, TX - 401 cfs (+0)
02/20/2019 07:00 AM ----- 401 cfs (+0)
Daily Median Flow 216 cfs
Gauge 5.45 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Third Crossing nr Sattler, TX - Gauge 5.09 feet (+0.00)
02/20/2019 07:30 AM
Gauge 5.09 feet (+0.00)
View USGS Site Page >>
Guadalupe Rv abv Comal Rv at New Braunfels, TX - 557 cfs (-9)
02/20/2019 07:30 AM ----- 557 cfs (-9)
Daily Median Flow 277 cfs
View NWS Forecast >>
WFk Dry Comal Ck at Schuetz Dam, New Braunfels, TX - 799.28 msl (+0.00)
02/20/2019 07:30 AM
799.28 msl (+0.00)
Dry Comal Ck at Loop 337 nr New Braunfels, TX - 1.21 cfs (+0.00)
02/20/2019 07:00 AM ----- 1.21 cfs (+0.00)
Daily Median Flow 1 cfs
View NWS Site >>
Comal Rv at New Braunfels, TX - 384 cfs (+8)
02/20/2019 06:45 AM ----- 384 cfs (+8)
Daily Median Flow 312 cfs
Gauge 4.38 feet (+0.02)
View NWS Forecast >>
Guadalupe Rv at New Braunfels, TX - Gauge 10.02 feet (+0.00)
02/20/2019 07:30 AM
Gauge 10.02 feet (+0.00)
View NWS Forecast >>
Guadalupe Rv at Hwy 123-BR at Seguin, TX - Gauge -0.29 feet (-1.04)
02/20/2019 07:15 AM
Gauge -0.29 feet (-1.04)
View NWS Forecast >>
Geronimo Ck nr Seguin, TX - Gauge 4.25 feet (+0.02)
02/20/2019 07:00 AM
Gauge 4.25 feet (+0.02)
View USGS Site Page >>
Guadalupe Rv at FM 1117 nr Seguin, TX - 789 cfs (-146)
02/20/2019 07:15 AM ----- 789 cfs (-146)
Daily Median Flow 498 cfs
Gauge 12.49 feet (-0.29)
View USGS Site Page >>
Guadalupe Rv at CR 143 nr Gonzales, TX - Gauge 8.33 feet (-0.95)
02/20/2019 07:30 AM
Gauge 8.33 feet (-0.95)
View USGS Site Page >>
Guadalupe Rv at Gonzales, TX - 1550 cfs (+120)
02/20/2019 06:45 AM ----- 1550 cfs (+120)
Daily Median Flow 892 cfs
Gauge 13.59 feet (+0.16)
View NWS Forecast >>
Peach Creek at Hwy 90 nr Waelder, TX - 2.34 cfs (+0.00)
02/20/2019 07:30 AM ----- 2.34 cfs (+0.00)
Daily Median Flow 0 cfs
Gauge 3.80 feet (+0.00)
View NWS Forecast >>
Peach Ck bl Dilworth, TX - 17 cfs (0)
02/20/2019 07:00 AM ----- 17 cfs (0)
Daily Median Flow 17 cfs
Gauge 9.25 feet (-0.01)
View NWS Forecast >>
Guadalupe Rv at Hwy 183 nr Hochheim, TX - 1430 cfs (-50)
02/20/2019 07:00 AM ----- 1430 cfs (-50)
Gauge 9.78 feet (-0.16)
View NWS Site >>
Sandies Ck at FM 108 nr Smiley, TX - Gauge 0.98 feet (+0.04)
02/20/2019 07:00 AM
Gauge 0.98 feet (+0.04)
View NWS Site >>
Sandies Ck nr Westhoff, TX - 3.88 cfs (+0.64)
02/20/2019 07:00 AM ----- 3.88 cfs (+0.64)
Daily Median Flow 14 cfs
Gauge 2.57 feet (+0.04)
View NWS Forecast >>
Guadalupe Rv at Cuero, TX - 1640 cfs (+180)
02/20/2019 07:30 AM ----- 1640 cfs (+180)
Daily Median Flow 1200 cfs
Gauge 10.08 feet (-0.08)
View NWS Forecast >>
Guadalupe Rv at Victoria, TX - 1690 cfs (+10)
02/20/2019 07:15 AM ----- 1690 cfs (+10)
Daily Median Flow 1100 cfs
Gauge 8.75 feet (+0.01)
View NWS Forecast >>
Coleto Ck at Arnold Rd Crsg nr Schroeder, TX - 11 cfs (0)
02/20/2019 06:45 AM ----- 11 cfs (0)
Daily Median Flow 13 cfs
Gauge 4.60 feet (-0.01)
View NWS Forecast >>
Coleto Ck Res nr Victoria, TX - 98.27 msl (-0.01)
02/20/2019 07:00 AM
98.27 msl (-0.01)
View NWS Site >>
Coleto Ck nr Victoria, TX - 10 cfs (+0)
02/20/2019 07:30 AM ----- 10 cfs (+0)
Daily Median Flow 5 cfs
Gauge 4.16 feet (+0.01)
View NWS Forecast >>
Guadalupe Rv nr Bloomington, TX - 1640 cfs (-60)
02/20/2019 07:00 AM ----- 1640 cfs (-60)
Daily Median Flow 650 cfs
Gauge 15.25 feet (-0.18)
View NWS Forecast >>
Guadalupe Rv nr Tivoli, TX - 2390 cfs (-90)
02/20/2019 07:30 AM ----- 2390 cfs (-90)
Daily Median Flow 1630 cfs
Gauge 6.66 feet (-0.05)
View NWS Site >>

Blanco River Gauges

Blanco Rv at Crabapple Rd nr Blanco, TX - Gauge 0.89 feet (+0.00)
02/20/2019 07:30 AM
Gauge 0.89 feet (+0.00)
View NWS Forecast >>
Little Blanco Rv at FM 32 nr Fischer, TX - Gauge 5.18 feet (+0.00)
02/20/2019 07:30 AM
Gauge 5.18 feet (+0.00)
View USGS Site Page >>
Blanco Rv at Fischer Store Rd nr Fischer, TX - 90 cfs (-1)
02/20/2019 07:30 AM ----- 90 cfs (-1)
Daily Median Flow Not Available
Gauge 3.56 feet (-0.01)
View NWS Forecast >>
Blanco Rv at Wimberley, TX - 136 cfs (-3)
02/20/2019 07:30 AM ----- 136 cfs (-3)
Daily Median Flow 61 cfs
Gauge 4.28 feet (-0.01)
View NWS Forecast >>
Blanco Rv nr Kyle, TX - 136 cfs (+0)
02/20/2019 07:30 AM ----- 136 cfs (+0)
Daily Median Flow 67 cfs
Gauge 5.38 feet (+0.00)
View NWS Site >>
Blanco Rv at San Marcos, TX - 178 cfs (+7)
02/20/2019 06:40 AM ----- 178 cfs (+7)
Daily Median Flow Not Available
Gauge 8.98 feet (+0.04)

View NWS Forecast >>

San Marcos River Gauges

San Marcos Rv at San Marcos, TX - 250 cfs (+0)
02/20/2019 06:45 AM ----- 250 cfs (+0)
Daily Median Flow 162 cfs
Gauge 5.37 feet (+0.00)
View NWS Site >>
San Marcos Rv nr Martindale, TX - 434 cfs (+0)
02/20/2019 06:45 AM ----- 434 cfs (+0)
Daily Median Flow 224 cfs
Gauge 8.53 feet (+0.00)
View NWS Site >>
San Marcos Rv at Luling, TX - 394 cfs (-5)
02/20/2019 06:45 AM ----- 394 cfs (-5)
Daily Median Flow 258 cfs
Gauge 5.72 feet (-0.02)
View NWS Forecast >>
Plum Ck at Lockhart, TX - 17 cfs (+1)
02/20/2019 07:00 AM ----- 17 cfs (+1)
Daily Median Flow 6 cfs
Gauge 2.18 feet (+0.03)
Plum Ck nr Luling, TX - 39 cfs (-1)
02/20/2019 07:00 AM ----- 39 cfs (-1)
Daily Median Flow 21 cfs
Gauge 5.04 feet (-0.01)
View NWS Forecast >>
© 1998 Guadalupe-Blanco River Authority