Watershed Summary more >>
Current Conditions more >>
J-17 Well 677.8 msl (-0.1)
Guadalupe @ Spring Branch 690 cfs (+112)
Canyon Reservoir 908.55 msl (+0.22)
Guadalupe @ Sattler 98 cfs (+3)
Comal Springs 411 cfs (+85)
San Marcos Springs 183 cfs (-2)
Guadalupe @ Gonzales 878 cfs (+214)
Guadalupe @ Victoria 967 cfs (-173)
Coleto Reservoir 98.38 msl (+0.28)
Guadalupe @ Tivoli 3220 cfs (+210)
(+/-0.00) - indicates change in 24 hours.
Sources of Flow at Victoria
Canyon Release 10.13%
Comal Springs 42.50%
San Marcos Springs 18.92%
Natural Base Flow 28.44%
Percentages reflect sources. Losses and diversions not included.
Charts
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Preservation Matters

The Guadalupe-Blanco River Trust was founded in 2001 to conserve land in the Guadalupe River Watershed.

San Antonio Bay Foundation

Founded in 2008 to protect and preserve the Bay and Estuary at the end of the Guadalupe River Basin.

Canyon Lake Gorge

Within days following the Flood of 2002, the floodwaters carved a gorge into the landscape below the Canyon Lake Spillway.

© 1998 Guadalupe-Blanco River Authority