Watershed Summary more >>
Current Conditions more >>
J-17 Well 670.5 msl (+1.2)
Guadalupe @ Spring Branch 499 cfs (-68)
Canyon Reservoir 904.31 msl (+0.11)
Guadalupe @ Sattler 95 cfs (-2)
Comal Springs 266 cfs (+7)
San Marcos Springs 158 cfs (+7)
Guadalupe @ Gonzales 1030 cfs (-570)
Guadalupe @ Victoria 1420 cfs (+370)
Coleto Reservoir 97.26 msl (+0.02)
Guadalupe @ Tivoli 3640 cfs (-40)
(+/-0.00) - indicates change in 24 hours.
Sources of Flow at Victoria
Canyon Release 6.68%
Comal Springs 18.73%
San Marcos Springs 11.13%
Natural Base Flow 63.46%
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